OPERATOR S MANUAL HWH COMPUTER-CONTROLLED 700 SERIES LEVELING SYSTEM. FEATURING: Single Step Touch Panel Control Air Leveling 1 or 2 Room Extensions

Transcription

1 OPERTOR S MNUL HWH COMPUTER-CONTROLLED 700 SERIES LEVELING SYSTEM R HWH CORPORTION R FETURING: Single Step Touch Panel Control ir Leveling 1 or 2 Room Extensions HWH COMPUTERIZED LEVELING LEVEL IR EXCESS SLOPE TRVEL MODE DUMP NOT IN PRK/ RKE CNCEL RISE TRVEL MODE WRNING! UNDETND OPERTOR S MNUL EFORE USING. LOCK FRME ND TIRES SECURELY EFORE REMOVING TIRES OR CRWLING UNDER VEHICLE. HWH CORPORTION (On I-80, Exit 267 South) 2096 Moscow Road Moscow, Iowa Ph: 800/ (or) 563/ Fax: 563/ P49027 ML49028/MP JUL11

2 OPERTOR S MNUL WRNING! RED THE ENTIRE OPERTOR S MNUL EFORE OPERTING. LOCK FRME ND TIRES SECURELY EFORE CRWLING UNDER VEHICLE. DO NOT USE LEVELING JCKS OR IR SUSPENSION TO SUPPORT VEHICLE WHILE UNDER VEHICLE OR CHNGING TIRES. VEHICLE MY DROP ND/OR MOVE FORWRD OR CKWRD WITHOUT WRNING CUSING INJURY OR DETH. KEEP LL PEOPLE CLER OF VEHICLE WHILE LEVELING SYSTEM ND ROOM EXTENSION RE EING OPERTED. NEVER PLCE HNDS OR OTHER PRTS OF THE ODY NER HYDRULIC LEKS. OIL MY PENETRTE SKIN CUSING INJURY OR DETH. DO NOT TRVEL IF THE VEHICLE IS NOT T THE PROPER RIDE HEIGHT. CONTCT MNUFCTURER TECHNICL SERVICE FOR TRVELING WHEN NOT T THE PROPER RIDE HEIGHT. DO NOT USE THE DUMP OR RISE UTTONS IF THE VEHICLE IS MOVING IN EXCESS OF 5 MPH. WER SFETY GLSSES WHEN INSPECTING OR SERVICING THE SYSTEM TO PROTECT EYES FROM DIRT, METL CHIPS, OIL LEKS, ETC. FOLLOW LL OTHER PPLICLE SHOP SFETY PRCTICES. IMPORTNT: IF COCH IS EQUIPPED WITH ROOM EXTENSION, RED ROOM EXTENSION SECTION EFORE OPERTING LEVELING SYSTEM. HOW TO OTIN WRRNTY SERVICE THIS IS NOT TO E INTERPRETED S STTEMENT OF WRRNTY HWH CORPORTION strives to maintain the highest level of customer satisfaction. Therefore, if you discover a defect or problem, please do the following: FIT: Notify the dealership where you purchased the vehicle or had the leveling system installed. Dealership management people are in the best position to resolve the problem quickly. If the dealer has difficulty solving the problem, he should immediately contact the Customer Service Department, at HWH CORPORTION. SECOND: If your dealer cannot or will not solve the problem, notify the Customer Service Department: HWH CORPORTION 2096 Moscow Rd. Moscow I (563) OR (800) Give your name and address, coach manufacturer and model year, date the coach was purchased, or the date of system installation, description of the problem, and where you can be reached during business hours (8:00 a.m. till 5:00 p.m. c.s.t.). HWH CORPORTION personnel will contact you to determine whether or not your claim is valid. If it is, HWH CORPORTION will authorize repair or replacement of the defective part, either by appointment at the factory or by the authorization of an independent service facility, to be determined by HWH CORPORTION. ll warranty repairs must be performed by an independent service facility authorized by HWH CORPORTION, or at the HWH CORPORTION factory, unless prior written approval has been obtained from proper HWH CORPORTION personnel. MP PR08

3 CONTROL IDENTIFICTION "EXCESS SLOPE" LIGHT "NOT IN PRK" LIGHT LEVELING SYSTEM CTIVE LIGHT "IR" (ON) UTTON DUMP LIGHT "TRVEL MODE" UTTON LIGHT (Red) "TRVEL MODE" UTTON "DUMP" UTTON "CNCEL" UTTON RISE LIGHT "RISE" UTTON "TRVEL MODE" LIGHT (Green) CONTROL UTTONS LEVEL TRVEL MODE CNCEL RISE LEFT SIDE UTTON HWH COMPUTERIZED LEVELING IR DUMP RISE EXCESS SLOPE NOT IN PRK/ RKE TRVEL MODE WRNING! UNDETND OPERTOR S MNUL EFORE USING. LOCK FRME ND TIRES SECURELY EFORE REMOVING TIRES OR CRWLING UNDER VEHICLE. LOWER LEFT SIDE UTTON CONTROL FUNCTIONS MSTER WRNING LIGHT LOWER FRONT UTTON RISE FRONT UTTON WRNING LIGHTS (4 - Red) RISE RIGHT SIDE UTTON LOWER RIGHT SIDE UTTON LEVELING LIGHTS (4 - Yellow) RISE RER UTTON LOWER RER UTTON INDICTOR LIGHTS "IR" UTTON: This is the automatic operation button. It works if the ignition is in the "ON" position and the park brake is set. "CNCEL" UTTON: This button turns the system OFF but does NOT control power to the "DUMP" or "RISE" buttons. Pushing this button will NOT put the system in the TRVEL mode unless the park brake is released. "TRVEL MODE" UTTON: This button will put the Leveling System in the TRVEL mode. The ignition must be "ON" for the vehicle to return to proper ride height for traveling. "DUMP" UTTON: This button will lower the whole coach by dumping air from the suspension system. "RISE" UTTON: This button will raise the whole coach by adding air to the suspension system. IMPORTNT: Read "DUMP ND RISE FUNCTIONS" before using the "DUMP" or "RISE" buttons. UP RROWS (RISE UTTONS): These momentary buttons are used for manually operating the air leveling systems. Sides or ends of the vehicle will raise while these buttons are pushed. DOWN RROWS (LOWER UTTONS): These momentary buttons are used for manually operating the air leveling systems. Sides or ends of the vehicle will lower while these buttons are pushed. LEVEL SYSTEM CTIVE LIGHT: ON when the system is active, and flashes during automatic leveling. DUMP LIGHT: Flashes when "DUMP" button is pushed. RISE LIGHT: Flashes when "RISE" button is pushed. "EXCESS SLOPE" LIGHT: ON if the leveling system can NOT level the coach. "TRVEL MODE" UTTON LIGHT (RED): Light flashes for 3 seconds after the "TRVEL MODE" button is pushed. "TRVEL MODE" LIGHT (GREEN): ON if the ignition is in the "ON" position, the system is not being used, and there is sufficient air pressure in the suspension. See PREPRTION FOR TRVEL. WRNING LIGHTS: Function with the ignition in the "ON" position. ON when the LEVELING SYSTEM CTIVE LIGHT is ON. See PREPRTION FOR TRVEL. LEVELING LIGHTS: One or two yellow lights can be on indicating the side, end or corner of the coach is low. "NOT IN PRK/RKE" LIGHT: ON while the "IR" button is being pushed if the Park rake is NOT set. The light will go out when the "IR" button is released. MSTER WRNING LIGHT: ON any time the "TRVEL" light is not ON, if the ignition is in the "ON" position. MP JUL11

4 CONTROL IDENTIFICTION PUMP RUN TIME SYSTEM VRITIONS FOR PUMP RUN TIME PUMP RUN TIME Pump motors used with HWH leveling systems and room extension systems come in 3 different diameters; 3", 3.7" and 4.5". Contact the vehicle manufacturer or HWH for help with identifying the motor size. It is important that any time the pump runs for more than four minutes with a 3" motor; or six minutes with a 3.7" or 4.5" motor that the motor is allowed to cool for thirty minutes before continuing. Continuous operation of the pump motor without allowing the motor to cool can damage the motor. For cold weather information see "COLD WETHER OPERTIONS" below. The HWH systems with a computer processor monitor the pump run time and will turn the pump off if the run time exceeds a specified time. This time can vary with different systems. Due to available electronics or system design, the pump run time programs will also vary. Leveling systems and room extensions that are not controlled by a system processor have no pump run time protection. DO NOT run the pump more than four or six minutes without allowing the pump motor to cool for thirty minutes. Some systems with rooms run the rooms separate from the system processor. These systems do not monitor pump run time when operating the rooms. DO NOT run the pump more than four or six minutes without allowing the pump motor to cool for thirty minutes. Some systems can be turned back on immediately after the processor turns the pump off. DO NOT turn the system back on or run the pump without allowing the pump motor to cool for thirty minutes. When operating some leveling systems manually or operating the room extensions, the pump will turn off and back on while pushing the control button when the pump run time has been exceeded. DO NOT continue without allowing the pump motor to cool for thirty minutes. With some systems, when the processor has turned the pump off because the run time has been exceeded, power to the HWH system must be turned off and back on before the system will operate. With motorized vehicles, turn the ignition off and back on. With non-motorized vehicles, turn the master power switch for the HWH system off and back on. DO NOT continue without allowing the pump motor to cool for thirty minutes. Some HWH systems are equipped with a lighted reset switch. If the processor turns the pump off because the run time has been exceeded, the light in the reset switch will turn on. The system will not operate until the reset switch is pushed. DO NOT continue without allowing the pump motor to cool for thirty minutes. LIGHTED RESET SWITCH No matter what HWH system is on the vehicle, the pump should not be ran for more than four minutes (3" motors) or six minutes (3.7" or 4.5" motors) without allowing the pump motor to cool for thirty minutes. Continuous operation of the pump motor without allowing the motor to cool can damage the pump motor. Contact HWH corporation to get specific information about the system in this vehicle. COLD WETHER OPERTIONS HWH leveling and room extension systems are designed to function in cold weather down to 0 degrees Fahrenheit. elow freezing (32 degrees Fahrenheit) the jacks or rooms will operate slower than usual. For operation in temperatures dropping below -20 degrees Fahrenheit, it is necessary that the system is equipped with oil designed for extreme cold weather application such as a synthetic oil. (Contact HWH for recommendations.) DO NOT run the pump motor continuously. It is important that any time the pump runs for more than four minutes with a 3" motor; or six minutes with a 3.7" or 4.5" motor that the motor is allowed to cool for thirty minutes before continuing. Continuous operation of the pump motor without allowing the motor to cool can damage the motor. Continuous operation of the pump with slow moving jacks or rooms in cold weather, without allowing the pump motor to cool will cause the pump motor to burn up and damage the pump assembly. MP MR12

5 OPERTING PROCEDURES GENERL INSTRUCTIONS Maintain adequate clearance in all directions for vehicles, room extensions, doors, steps, etc.. Vehicle may move in any direction due to raising or lowering of vehicle during leveling, settling of vehicle, equipment malfunction, etc.. The "DUMP" and "RISE" buttons will function with the park brake on or off, if the ignition is in the "ON" or "CC" position. See IR DUMP ND RISE FUNCTIONS section of this manual before using the "DUMP" or "RISE" buttons. The MSTER WRNING LIGHT will be on if an air bag has low pressure and the ignition is in the "ON" position. WRNING: DO NOT MOVE THE VEHICLE T SPEEDS IN EXCESS OF 5 MPH IF THE MSTER WRNING LIGHT IS ON. HWH RESET SWITCH If the Park rake is not set, automatic leveling, manual leveling and room extensions will not work. Refer to the vehicle manufacturer for the location of the HWH reset switch. Pushing the reset switch will cancel any automatic or manual leveling operation including the SLEEP MODE. If the ignition is ON when the reset switch is pushed, the system will reset and be ready to start an automatic or manual leveling procedure. If the ignition is OFF when the reset switch is pushed, the ignition will have to be turned on before any leveling procedure can be started. Visually check that the vehicle is at the proper ride height for traveling. The ignition must be in the "ON" position for the vehicle suspension to be in the travel mode. lso the "TRVEL MODE" button must be pushed or the park brake released for the suspension to be in the travel mode If the Leveling System was used. lit "TRVEL MODE" light indicates that the HWH Leveling System is in the TRVEL MODE. It does not indicate that the suspension is at ride height or that the coach is ready to travel. Pushing the "TRVEL MODE" button during an automatic leveling sequence will not put the suspension in the travel mode even if the ignition is on. It will stop the auto leveling sequence. PREPRTION FOR TRVEL WRNING: IT IS THE OPERTOR S RESPONSIILITY TO CHECK THT THE VEHICLE IS T PROPER RIDE HEIGHT EFORE TRVELING. efore traveling, the MSTER WRNING light must be off and the "TRVEL MODE" light must be ON. NOTE: Low air pressure can turn the green "TRVEL MODE" light off and turn the MSTER WRNING light on. Refer to "DUMP" and "RISE" FUNCTIONS operating procedures when moving the vehicle with the suspension NOT at the proper ride height. MP JUL11

6 OPERTING PROCEDURES UTOMTIC IR OPERTION NOTE: The ignition must be in the "ON" or "CC" position to use the "IR" button. Once the operation is started, the ignition can be moved to the "OFF" position and the operation will continue. 1. Place the transmission in the proper position for parking and set the park brake. The air leveling system can only be turned on if the ignition is in the "ON" or "CC" position. Leaving the engine running during leveling is recommended. This will provide a better air supply for leveling. The vehicle will level with the engine shut off, however more time will be required for leveling. NOTE: If the ignition key is in the "ON" or "CC" position, the panel will not turn on if the park brake is not set. The "NOT IN PRK/RKE" light will be on while the "IR" button is being pushed. 2. Press the "IR" button once to start the automatic leveling sequence. The LEVELING SYSTEM CTIVE LIGHT will flash. The four red WRNING lights on the panel will come on. This indicates that the height control valves have been locked out. The vehicle should not be moved when these lights are on. The system will first exhaust all air from the suspension air bags regardless of the status of the yellow level lights. fter approximately 40 seconds, if no yellow light is on, the system will go directly to the sleep mode. If yellow lights are on, the system will add air to air bags to raise the low side or end of the vehicle, starting with any lit side yellow light. NOTE: Only one or two yellow LEVEL SENSING lights may be ON at one time. 3. SLEEP MODE: When all four yellow level lights are out, the LEVELING SYSTEM CTIVE LIGHT will flash rapidly. The Leveling System is now in the SLEEP MODE. The four red warning lights will go out. The vehicle s engine/ignition may now be turned OFF. The blue SYSTEM CTIVE LIGHT will continue to flash rapidly minutes after the Leveling System enters the SLEEP MODE, the computer will monitor the LEVELING SENSING UNIT for one minute. If no leveling is needed, the computer will continue to monitor the LEVELING SENSING UNIT. 5. If the vehicle needs to be re-leveled, the Leveling System touch panel lights will come on and the leveling procedure will begin. The LEVELING SYSTEM CTIVE LIGHT will flash. One or two yellow LEVELING LIGHTS will be ON. The system will re-level the vehicle. When the yellow LEVELING LIGHTS are all out, the LEVELING SYSTEM CTIVE LIGHT will flash rapidly and return to the SLEEP MODE. The Leveling System will remain in the SLEEP MODE with the computer monitoring the LEVELING SENSING UNIT, re-leveling the vehicle as needed. NOTE: The four red warning lights will be on anytime the system is re-leveling the vehicle. 6. The SLEEP MODE will continue until the "CNCEL" button or the "TRVEL MODE" button is pushed or the park brake is released, if the ignition is in the "ON" position. EXCESS SLOPE: The system will attempt to level the vehicle for approximately 30 minutes. fter the 30 minutes, if a LEVEL SENSING light is still on, the "EXCESS SLOPE" light will come on. The LEVELING SYSTEM CTIVE light will go out. The system will NOT be in the SLEEP MODE. The "EXCESS SLOPE" light will go out when the ignition is turned off. NOTE: If the system went EXCESS SLOPE during an automatic leveling procedure, the "EXCESS SLOPE" light will be on any time the ignition is on until the "TRVEL MODE" button is pushed or the park brake is released with the ignition on. When the "EXCESS SLOPE" light is on, the "IR" button will not function. The manual UP or DOWN arrows and the "RISE" or "DUMP" buttons will function if the ignition is on. MP OCT15

7 OPERTING PROCEDURES MNUL IR OPERTION 1. Place the transmission in the proper position for parking and set the park brake. The manual raise and lower buttons can only be used if the ignition is in the "ON" or "CC" position. Running the vehicle engine during leveling is recommended. This will provide a better air supply for leveling. The vehicle will level with the engine shut off, however more time will be required for leveling. NOTE: The RISE and LOWER buttons will not function if the system is in automatic leveling or the SLEEP mode. Push the "CNCEL" button with the ignition in the "ON" or "CC" position to use the manual RISE and LOWER buttons. 2. The vehicle can be leveled using the RISE (up arrow) and LOWER (down arrow) buttons on the right half of the panel in conjunction with the yellow LEVEL indicator lights. ny side to side leveling should be done, if needed, before leveling the vehicle front to rear. The yellow LEVEL indicator light indicates that side or end is low. When all yellow lights are out the vehicle is level. Try leveling the vehicle by lowering the high side or end (opposite of the lit yellow level lights). If a level position is not achieved use the RISE (up arrow) button to raise the low side or end. 3. Turn the ignition to the "OFF" position. 4. Turn the system off. NOTE: If the "DUMP" or "RISE" buttons are pushed while manually leveling the vehicle with air and the ignition is in the "ON" position, the system will latch into the dump or raise mode until the "CNCEL" button is pushed or the ignition is turned off. If any manual button is pushed, the four red warning lights will come on and remain on any time the ignition is in the ON or CC position. "DUMP" ND "RISE" FUNCTIONS The "DUMP" and "RISE" functions are provided for operator convenience for purposes such as dumping the air suspension when parked. WRNING: RERED CUTIONS ON THE FIT PGE OF THIS MNUL. THE VEHICLE MY DROP OR RISE ND/OR MOVE FORWRD OR CKWRD WITHOUT WRNING CUSING INJURY OR DETH. The ignition must be in the "ON" or "CC" position to use the "DUMP" or "RISE" buttons. Leave the engine running if the "RISE" function is to be used. The park brake DOES NOT have to be set to use the "DUMP" or "RISE" buttons. IMPORTNT: When the "RISE" button is pushed, the raise feature will latch in and remain on. The vehicle will raise to the maximum capability of the suspension and stay in that position. When the "DUMP" button is pushed, the dump feature will latch in and stay on. The vehicle will lower until the suspension air bags are completely empty and stay in that position. To stop a Dump or Raise function when the park brake is set:. Push the "CNCEL" button or turn the ignition off. the vehicle will stop raising or lowering and stay in that position.. Push the "TRVEL MODE" button. The vehicle will stop raising or lowering and start to return to ride height. To stop a DUMP or RISE function if the park brake is NOT set:. If the vehicle is moving and the speed exceeds approximately 10 MPH, the system will return to the Travel Mode. The vehicle should return to ride height.. Push the "TRVEL MODE" button or the "CNCEL" button. The system will immediately return to the "TRVEL MODE". The vehicle should return to ride height. C. Turn the ignition off. The vehicle will stop raising or lowering and stay in that position. DO NOT turn the ignition off if the vehicle is moving. DO NOT operate the vehicle for extended distances unless the air suspension is at the proper height for travel. The vehicle can not return to ride height until the "CNCEL" button or "TRVEL MODE" button is pushed; or the vehicle exceeds 10 MPH, putting the system in the TRVEL MODE if the park brake is released. WRNING: IT IS THE OPERTOR S RESPONSIILITY TO CHECK THT THE VEHICLE IS T PROPER RIDE HEIGHT EFORE TRVELING. MP OCT15

8 OPERTING PROCEDURES ROOM EXTEND PROCEDURE NOTE: The park brake must be set before a room can be extended or retracted. WRNING: OPERTING ROOM WITH NY ROOM LOCKING, CLMPING OR MNUL RETRCTING DEVICES TTCHED OR ENGGED CN CUSE PEONL INJURY ND VEHICLE DMGE. IT IS THE OPERTOR S RESPONSIILITY TO ENSURE THT LL ROOM LOCKING, CLMPING OR MNUL RETRCTING DEVICES RE DETCHED OR DISENGGED EFORE OPERTING THE ROOM. It is recommended to complete the Leveling Procedure before operating room extensions. 1. Unlock all room-locking devices. NOTE: If a MNUL RETRCT WINCH is attached to the room remove it before extending the room. WRNING: KEEP PEOPLE ND OSTRUCTIONS CLER OF ROOM WHEN OPERTING. NOTE: Make sure there is adequate clearance to fully extend the room. 2. To extend the room, press and hold the ROOM CONTROL SWITCH in the "EXTEND" position until the room is fully extended. NOTE: Hold the switch to "EXTEND" three or four seconds after the room is fully extended. This assures proper pressurization of the cylinders. During normal operation of the room, do not reverse direction of the room until the room is fully extended. If necessary, the direction of the room may be reversed, but watch for binding of the room. If the direction of the room has been reversed, DO NOT re-extend the room until the room has been fully retracted. IMPORTNT: Do not hold the ROOM CONTROL SWITCH in the "EXTEND" position for more than ten seconds after the room is fully extended or stops moving. If either side of the room stops moving, release the room control switch immediately. DO NOT force the room. DO NOT reverse direction of the room, contact HWH Customer Service for assistance NOTE: Releasing the ROOM CONTROL SWITCH will halt the operation of the room. IMPORTNT: DO NOT USE ROOM EXTENSION SUPPORT WHEN THE VEHICLE IS SUPPORTED Y THE LEVELING SYSTEM. MP JUL11

9 OPERTING PROCEDURES ROOM RETRCT PROCEDURE NOTE: The park brake must be set before a room can be extended or retracted. WRNING: KEEP PEOPLE ND OSTRUCTIONS CLER OF ROOM WHEN OPERTING. It is recommended to retract the rooms before putting the leveling system in the TRVEL MODE. 1. To retract the room press and hold the ROOM CONTROL SWITCH in the "RETRCT" position until the room is fully retracted. NOTE: Hold the switch to "RETRCT" three or four seconds after the room is fully retracted. This assures proper pressurization of the cylinders. During normal operation of the room, do not reverse direction of the room until the room is fully retracted. If necessary, the direction of the room may be reversed, but watch for binding of the room. If the direction of the room has been reversed, DO NOT retract the room until the room has been fully extended. IMPORTNT: Do not hold the ROOM CONTROL SWITCH in the "RETRCT" position for more than ten seconds after the room is fully retracted or stops moving. If either side of the room stops moving, release the room control switch immediately. DO NOT force the room. DO NOT reverse direction of the room, contact HWH Customer Service for assistance NOTE: Releasing the ROOM CONTROL SWITCH will halt the operation of the room. 2. Engage all room-locking devices. 3. If the room will not retract see the MNUL ROOM RETRCT PROCEDURE. IMPORTNT: Room-locking devices should be locked while traveling. MP JUL11

10 OPERTING PROCEDURES "UNIVEL STRIGHT OUT" ROOM EXTENSION MECHNISM MNUL ROOM RETRCTION PROCEDURES 1. Determine which extend and retract solenoid valves are 4. Move to the other room extension mechanism, rotate assigned to the room. Manually open both valves by moving the threaded rod clockwise 12 complete turns. the valve release cams to the open position. See the HYDRULIC PUMP/ MNIFOLD diagram. IMPORTNT: ONLY MOVE THE RELESE CM IN THE DIRECTION SHOWN. MOVING THE CM IN THE OPPOSITE DIRECTION CN DMGE THE VLVES. (VLVE CLOSED) VLVE RELESE CMS SOLENOID VLVES (VLVE OPEN) RETHER CP-DIP STICK 5. Return to the first room extension mechanism and rotate the threaded rod clockwise 12 complete turns. 6. Repeat steps 4 and 5 alternating from mechanism to mechanism rotating each threaded rod 12 complete turns until room is sealed. (DO NOT exceed 15 ft.lbs) Make sure the room does not bind. IMPORTNT: If at any stage something is not understood or if the room begins to bind DO NOT force the room, contact HWH Customer Service for assistance NOTE: Leave the solenoid valves open and the threaded rods in place until the room has been serviced. HYDRULIC PUMP/MNIFOLD 2. Start both threaded rods until resistance is met, one for the front and one for the rear mechanism should be provided. NOTE: To access the threaded blocks refer to vehicle manufacturer. 3. Do Not use an impact wrench. Using wrench provided, a personal wrench or a tire iron with a 1-1/8" opening rotate either mechanism s threaded rod clockwise 6 complete turns. IMPORTNT: DO NOT EXTEND THE ROOM UNTIL THE ROOM HS EEN SERVICED. NY SOLENOID VLVES LEFT OPEN SHOULD E CLOSED ND THE THREDED RODS SHOULD E COMPLETELY REMOVED. NOTE: If there is not enough room to remove both threaded rods completely, alternate backing the threaded rods out and slightly extending the room. e careful to not extend the room so far that the threaded rods impact the coach wall or the mechanism. ROOM EXTENDED ROOM RETRCTED RECEIVER PLTE THREDED LOCK THREDED ROD THREDED LOCK THREDED ROD MP FE10

11 MINTENNCE OIL LEVEL ll maintenance should be done as part of the normal servicing of the coach. NOTE: Overfilling the tank can cause leakage of oil through the breather cap. The oil level should be checked when the vehicle is first purchased and then once every two years. More often if there is an oil leak in the system. The rooms should be fully extended to check the oil level. The oil reservoir is part of the pump / manifold assembly. The oil level is checked and filled through the breather cap. Clear any dirt away from the breather / filler cap before removing. The oil level should be within one inch of the top of the reservoir. Most breather caps have a dipstick. ELECTRICL SYSTEM FLUID: HWH Specialty Hydraulic Oil is recommended. In an emergency Dexron automatic transmission fluid can be used. NOTE: Dexron automatic transmission fluid contains red dye and can cause staining should a leak occur. DO NOT USE brake fluid or hydraulic jack fluid. Use of these can damage seals. The batteries should be in good condition and fully charged. Weak batteries can cause erratic operation. attery cable terminals and battery posts and connections should be kept clean. ll electrical connections, especially ground connections, should be clean, tight, free from corrosion and protected from weathering. ROOM EXTENSIONS The HWH room mechanisms need no maintenance. DO NOT grease or lubricate any parts of the HWH mechanism. ny visible mechanism can be kept clean by washing with water. Refer to the vehicle manufacturer for correct maintenance of the room seals. VISUL INSPECTION Periodically inspect the system for oil leaks and damaged or missing parts, such as pivot bolts or springs. Check the hydraulic lines and wiring for damage and wear. Check that the jacks do not interfere with any parts of the vehicle when they are in the "STORE" position. The system will operate better if kept clean and free from caked on mud or ice. OPERTIONL CHECK Review the OPERTOR MNUL. Run the system according to the SYSTEM OPERTION Section. Note any abnormal operation. Review the "ROOM RETRCTION" Section. Make sure the rooms will fully retract. Check that all lights work according to the "INDICTOR LIGHT" Section. Correct function of the red "WRNING" light is important. MP JUL11

12 MINTENNCE NOT IN PRK/RKE CHECK WRNING: WHEN MKING THIS CHECK, LOCK THE COCH WHEE SECURELY SO THE COCH CNNOT ROLL FORWRD OR CKWRD. Switch the ignition to the "ON" or "CC" position. Release the park brake. Push and hold the "IR" button. The "NOT IN PRK/RKE" light should come on while pushing the "IR" button. The system should not function. Release the "IR" button and set the park brake. Push the "IR" button. The system should start to level. If any of the above checks or inspections reveal a problem or if there are other problems or questions, consult a qualified RV repair center, your vehicle or coach manufacturer, or HWH CORPORTION for service or repair. WINTER WETHER DRIVING nti-icing / deicing agents when splashed on your vehicle, continue to absorb moisture from the air even after they have dried. This can facilitate corrosion of metallic components, such as HWH jacks. icing / deicing agents, thoroughly wash jacks with warm To help reduce the corrosion of jacks after exposure to antisoapy water. MP NOV16

13 INSTRUCTION SHEET SENSING UNIT MINTENNCE/SERVICE REMOTE MOUNTED "POTTED" ELECTRONIC SENSING UNIT SENSING UNIT CCURCY TOLERNCE The sensing unit has an accuracy tolerance of ± 5.4 inches front to rear and ± 1 inch side to side on a 36 foot vehicle. Typical leveling results will be better. SENSING UNIT DJUSTMENT / WITH DJUSTING ENHNCEMENT Level the vehicle by placing a bubble level in the center of the freezer floor or upon whichever surface within the vehicle that is to be level. It is best if the level is placed close to the mounting area of the sensing unit. Using the Leveling System and the bubble level, ignoring the yellow LEVEL lights on the Touch Panel, level the vehicle until the bubble is centered. With the vehicle level according to the bubble level, if there are no yellow lights lit on the Touch Panel, the sensing unit is properly adjusted. If there are yellow LEVEL lights lit on the Touch Panel, manual adjustments to the Sensing Unit are needed. Move the vehicle to an unlevel position and level the vehicle according to the yellow level sensing lights on the touch panel. Readjust if necessary. IMPORTNT: THE SENSING UNIT MOUNTING SPRINGS SHOULD E COMPRESSED OUT 1/2 THEIR FREE LENGTH. SCREW NUMER 2 SHOULD NOT E TURNED WHILE DJUSTING THE SENSING UNIT. FTER DJUSTING THE SENSING UNIT, UMP THE SENSING UNIT TO SEE THT IT IS SETTLED TIGHT GINST LL THREE SCREW HEDS ND STILL INDICTES THT THE UNIT IS LEVEL. The ignition (motorized units) or master power switch (towable units) must be on. Remove the "djusting Enhancement Cap". DO NOT LOSE THIS CP. There is a small pin beneath the cap. Use a jumper wire with an alligator clip to apply a ground to the pin. This will make the sensing unit very sensitive. The yellow lights may "jump" around while adjusting the sensing unit. Let the lights settle down after each adjustment. Small, gentle turns will work best. Turn mounting screws 1 and 3 to adjust the sensing unit. Turn screws as instructed to turn out all the yellow LEDs. When all the LEDs are out, remove the jumper wire and replace the adjusting enhancement cap. DO NOT over tighten. LED - FRONT OF VEHICLE LED - LEFT SIDE OF VEHICLE LED C - RER OF VEHICLE LED D - RIGHT SIDE OF VEHICLE NOTE: If opposing LED s are lit, there is a problem with the Sensing Unit. If LED () is lit: Tighten adjustment screw number 1 until the LED is off. If LED (C) is lit: Loosen adjustment screw number 1 until the LED is off. If LED () is lit: Loosen adjustment screw number 3 until the LED is off. If LED (D) is lit: Tighten adjustment screw number 3 until the LED is off. LED D LED LED C LED 1 MOUNTING/DJUSTMENT SCREWS (3) YELLOW LEDs (3) MOUNTING SPRINGS (3) MOUNTING SCREWS MOUNTED ELOW MOUNTING SURFCE 3 2 DJUSTING ENHNCEMENT CP FRONT THIS SIDE UP OTTOM VIEW OF SENSING UNIT MP NOV10

14 HYDRULIC LINE CONNECTION DIGRM MULTIPLE EXTENSIONS ROOM 1 (DRIVER SIDE FRONT) EXTEND ROOM TO CHECK OIL LEVEL ROOM 2 (PSSENGER SIDE FRONT) EXTEND ROOM TO CHECK OIL LEVEL SEE HYDRULIC LINE CONNECTION DIGRM UNIVEL STRIGHT OUT ROOM MECHNISM CONNECTION DIGRM SEE HYDRULIC LINE UNIVEL STRIGHT OUT ROOM MECHNISM CP END CONNECTION - ROOM CYLINDE CP END CONNECTION - ROOM CYLINDE ROD END CONNECTION - ROOM CYLINDE RETRCT SOLENOID VLVES 1 R 2 R ROD END CONNECTION - ROOM CYLINDE 1 E 2 E EXTEND SOLENOID VLVES VLVE FUNCTION 1R - ROOM CYLINDER RETRCT - ROOM EXTEND 1E - ROOM CYLINDER EXTEND - ROOM RETRCT 2R - ROOM CYLINDER RETRCT - ROOM EXTEND 2E - ROOM CYLINDER EXTEND - ROOM RETRCT IMPORTNT: DO NOT SWP CP OR ROD HOSES ETWEEN ROOMS OR DMGE TO EQUIPMENT MY RESULT. MP JUL11

15 HYDRULIC LINE CONNECTION DIGRM UNIVEL STRIGHT OUT ROOM EXTENSION FRONT VIEW OF MECHNISM CP END CONNECTION FOR CONNECTION CLRITY, ONLY THE ROOM CYLINDE RE SHOWN CP END CP END C - HOSES MUST E 1/8" HIGH PRESSURE HOSE ND THEY MUST E EQUL LENGTH D - HOSE MUST E EQUL LENGTH ND THE SME TYPE OF HOSES E & F - HOSES RE 1/8" HIGH PRESSURE HOSE SUPPLIED WITH THE MECHNISMS ROD END CONNECTION ROD END ROD END E F E F 1/8" HP HOSE 1/8" HP C D HOSE C D 1/4" HOSE SYNC CYLINDER 1/4" HOSE ROD END CONNECTION P OR P48865 CP END CONNECTION P OR P4158 ROOM CYLINDE ROD END CONNECTION - ROOM CYLINDE CP END CONNECTION - 1/4" 1/4" HOSE HOSE SEE HYDRULIC LINE CONNECTION DIGRM - 2 ROOM EXTENSION MNIFOLD CYLINDER EXTEND - ROOM RETRCT CYLINDER RETRCT - ROOM EXTEND CHECK OIL LEVEL WITH ROOM EXTENDED MP JUL11

16 IR LINE CONNECTION DIGRM 4 - POINT IR LEVELING SYSTEM SEE IR LINE CONNECTION DIGRM - HWH IR COMPRESSOR TO SUSPENSION FRONT MNIFOLD LINES FROM HEIGHT CONTROL VLVES FRONT LINES TO IR GS IR SUPPLY IR G H C V H C V HEIGHT CONTROL VLVE (4) SEE FRONT ND RER IR SOLENOID MNIFOLD CONNECTION DIGRMS FOR SPECIFIC VLVE ND IR MNIFOLD CONNECTION INFORMTION RER MNIFOLD LINES FROM HEIGHT CONTROL VLVES LINES TO IR GS H C V H C V PRESSURE PROTECTION MNIFOLD TO VEHICLE IR SUPPLY MP PR10

17 IR LINE CONNECTION DIGRM 4-POINT LEVELING SYSTEM SCHEMTIC PRESSURE SWITCHES FRONT ND RER SEE IR LINE CONNECTION DIGRM - HWH IR COMPRESSOR SCHEMTIC MNIFOLD SSEMLY EXH EXH HCV TRV. TRV. HCV EXH EXH IR G LOWER LOWER IR G RISE RISE MNIFOLD SSEMLY EXH EXH NORMLLY CLOSED HCV PRESSURE SWITCH 20 PSI EXH TRV. TRV. HCV EXH IR G LOWER LOWER IR G PRESSURE PROTECTION MNIFOLD RISE RISE TO VEHICLE IR SUPPLY NORMLLY CLOSED PRESSURE SWITCH 85 PSI MP PR10

18 IR SOLENOID MNIFOLD 6 VLVE WITH TWO PRESSURE SWITCHES ND Y-PSS VLVES FRONT IR MNIFOLD RER VIEW 3.400" LINE FROM HEIGHT CONTROL VLVES NOTE: I/O MODULE NOT SHOWN SEE ELECTRICL CONNECTION DIGRM FRONT IR I/O MODULE - PGE 2 OF 2 LINE TO IR GS I/O MODULE CONNECTIONS PRESSURE SWITCHES (2) R WH HCORPORTION IR SUPPLY TO HRNESS CONNECTOR CHECK VLVES PRESSURE REGULTOR TRVEL LOWER RISE PSW PSW RISE LOWER TRVEL IMPORTNT: LEFT ND RIGHT CONNECTIONS MUST E MINTINED S SHOWN. GROUND SUPPLY WIRES FOR IR PRESSURE SWITCHES ND IR SOLENOID VLVES CNNOT E INTERCHNGED. MOUNTING HOLES TRVEL LOWER RISE PSW PSW RISE LOWER TRVEL LINE FROM HEIGHT CONTROL VLVE (MY E TEED TOGETHER IF ONE HCV IS USED) LINE TO IR GS (2 LEFT ND RIGHT) EXHUST PORTS (2 LEFT ND RIGHT) PRESSURE SWITCH 20 PSI (2 LEFT ND RIGHT) RIGHT SIDE VIEW RIGHT TRVEL SOLENOID VLVE (LEFT VLVE NOT SHOWN) RIGHT LOWER SOLENOID VLVE (LEFT VLVE NOT SHOWN) IR SUPPLY PRESSURE REGULTOR (REGULTOR WILL NOT E PRESENT ON 2014 MODEL COCHES OR NEWER) CHECK VLVE (2) RIGHT RISE SOLENOID VLVE (LEFT VLVE NOT SHOWN) MP SEP14

19 IR SOLENOID MNIFOLD 6 VLVE WITH THREE PRESSURE SWITCHES ND Y-PSS VLVES RER IR MNIFOLD RER VIEW 3.400" LINE FROM HEIGHT CONTROL VLVES NOTE: I/O MODULE NOT SHOWN SEE ELECTRICL CONNECTION DIGRM RER IR I/O MODULE - PGE 2 OF 2 LINE TO IR GS I/O MODULE CONNECTIONS PRESSURE SWITCHES (2) R WH HCORPORTION IR SUPPLY TO HRNESS CONNECTOR CHECK VLVES PRESSURE SWITCH TRVEL LOWER RISE PSW SYS PSW PSW RISE LOWER TRVEL IMPORTNT: LEFT ND RIGHT CONNECTIONS MUST E MINTINED S SHOWN. GROUND SUPPLY WIRES FOR IR PRESSURE SWITCHES ND IR SOLENOID VLVES CNNOT E INTERCHNGED. MOUNTING HOLES TRVEL LOWER RISE PSW SYS PSW PSW RISE LOWER TRVEL LINE FROM HEIGHT CONTROL VLVE (MY E TEED TOGETHER IF ONE HCV IS USED) LINE TO IR GS (2 LEFT ND RIGHT) EXHUST PORTS (2 LEFT ND RIGHT) PRESSURE SWITCH 20 PSI (2 LEFT ND RIGHT) RIGHT SIDE VIEW RIGHT TRVEL SOLENOID VLVE (LEFT VLVE NOT SHOWN) RIGHT LOWER SOLENOID VLVE (LEFT VLVE NOT SHOWN) IR SUPPLY PRESSURE SWITCH-85 PSI CHECK VLVE (2) RIGHT RISE SOLENOID VLVE (LEFT VLVE NOT SHOWN) MP JUL11

20 IR LINE CONNECTION DIGRM HWH IR COMPRESSOR FUSE 15 MP FROM +12 TTERY 12 VOLT RELY IR FILTER GROUND CHECK VLVE FLOW TO HWH IR LEVELING MNIFOLDS RELIEF VLVE (110 PSI) IR SOLENOID NORMLLY OPEN +12 CONTROL FROM HWH IR COMPRESSOR HRNESS MP PR10

21 IR LINE CONNECTION DIGRM HWH IR COMPRESSOR SCHEMTIC UX. 12V COMPRESSOR COMP- PRESSOR PORT TO LEVELING SYSTEM MNIFOLDS MOTOR RELIEF VLVE 110 P.S.I. EXHUST HWH WTER TRP SOLENOID (1) NORMLLY OPEN SOLENOID (1) DUMPS WTER OUT OF FILTER WHEN COMPRESSOR IS OFF. EXHUST MP PR10

22 LEVEL IR NOT IN TRVEL PRK/ MODE RKE DUMP CNCEL TRVEL MODE RISE UNDETND OPERTOR S MNUL EFORE USING. LOCK FRME ND TIRES SECURELY EFORE REMOVING TIRES OR CRWLING UNDER VEHICLE. ELECTRICL CONNECTION DIGRM 700 SERIES IR LEVELING HRNESS ROUTING TOUCH PNEL SEE MP HWH COMPUTERIZED LEVELING SLOPE EXCESS WRNING! HWH MIN TRUNK HRNESS MSTER WRNING LIGHT 6230 GROUND 9000 PRK RKE 9900 SPEED SW RESET SWITCH TO +12 TTERY FUSE 15 MP CC DO NOT CUT TERMINTING RESISTOR SYSTEM LTCH IN RELYS SEE MP IR COMPRESSOR CONNECTIONS SEE MP SYSTEM LTCH FRONT IR MNIFOLD I/O MODULE SEE MP LEFT FRONT PRESSURE SWITCH SEE MP RIGHT FRONT PRESSURE SWITCH LEVEL SENSING UNIT SEE MP HWH MIN TRUNK HRNESS PUMP/POWER RELY CONNECTIONS - SEE MP DO NOT CUT TERMINTING RESISTOR RER IR MNIFOLD I/O MODULE SEE MP RIGHT RER PRESSURE SWITCH LEFT RER PRESSURE SWITCH SYSTEM PRESSURE SWITCH SEE MP MP JUL11

23 ELECTRICL CONNECTION DIGRM 700 SERIES FRONT IR MNIFOLD MULTIPLEXED I/O MODULE WIRE CONNECTION INFORMTION - PGE 1 OF 2 RIGHT FRONT TRVEL RIGHT FRONT LOWER RIGHT FRONT RISE IR COMPRESSOR LINK LIGHT LEFT FRONT TRVEL LEFT FRONT LOWER LEFT FRONT RISE FRONT VIEW OF I/O MODULE CONNECTOR C D LIT RED LED INDICTES THERE SHOULD E +12 VOLTS ON THE CORRESPONDING WIRE. LINK LIGHT: LINK LIGHT FLSHING INDICTES PROPER COMMUNICTION ETWEEN THE I/O MODULE ND THE TOUCH PNEL. LINK LIGHT ON SOLID OR OFF INDICTES FILURE. PIN # WIRE COLOR WIRE NUMER WIRE DESCRIPTION ND FUNCTION 1 RED 6120 SWITCHED +12 CC FROM IGNITION SWITCH 2 YELLOW N/ CN HIGH COMMUNICTION WIRE 3 THRU 5 NO CONNECTION 6 LCK 2210 SW GND FROM RIGHT FRONT IR PRESS. SWITCH - LOW PRESSURE 7 ND 8 NO CONNECTION 1 RED VOLT POWER TO THE TOUCH PNEL 2 GREEN N/ CN LOW COMMUNICTION WIRE 3 THRU 8 NO CONNECTION C1 RED VOLT POWER FOR LEVEL SENSING UNIT C2 N/ N/ SHIELD WIRE FOR GREEN & YELLOW CN COMMUNICTION WIRES C3 WHITE 6231 GROUND FOR LEVEL SENSING UNIT C4 LCK 0400 SWITCHED GROUND FROM LEVEL SENSING UNIT - RER LOW C5 NO CONNECTION C6 LCK FROM SPEED SWITCH - LOW SPEED C7 NO CONNECTION C8 LCK 0300 SWITCHED GROUND FROM LEVEL SENSING UNIT - RIGHT SIDE LOW D1 RED 6102 SWITCHED +12 TTERY FROM LTCH IN RELYS D2 WHITE 6232 GROUND FOR IR MNIFOLD PRESSURE SWITCHES D3 WHITE 6230 SYSTEM GROUND FOR I/O MODULES ND TOUCH PNEL D4 NO CONNECTION D5 LCK 1200 SW GND FROM LEFT FRONT IR PRESS. SWITCH - LOW PRESSURE D6 LCK 0100 SWITCHED GROUND FROM LEVEL SENSING UNIT - LEFT SIDE LOW D7 LCK 0200 SWITCHED GROUND FROM LEVEL SENSING UNIT - FRONT LOW D8 LCK 9000 SWITCHED GROUND FROM PRK RKE SWITCH - PRK RKE ON MP JUL11

24 ELECTRICL CONNECTION DIGRM 700 SERIES FRONT IR MNIFOLD MULTIPLEXED I/O MODULE WIRE CONNECTION INFORMTION - PGE 2 OF 2 TRVEL W2700 TRVEL W1700 LOWER W2600 LOWER W1600 RISE W2500 RISE W SEE MP COMP RELY CONTROL W WHITE (6234) RED (6100) WHITE LCK LTCH RELY W FOR CONNECTION INFORMTION SEE MP SEE MP SENSING UNIT SEE MP XLE IR IN [ HCV ] Y-PSS VLVE G Y-PSS VLVE RED (6100) WHITE (6234) WHITE (6230) RED (6100) HWH MIN TRUNK HRNESS TO HWH TOUCH PNEL SEE MP LEFT FRONT PRESSURE SWITCH L E F T EXHUST G PSW G 1210 IR IN R I G H T H CORPORTION R WH RIGHT FRONT PRESSURE SWITCH TO RER I/O MODULE MP JUL11

25 ELECTRICL CONNECTION DIGRM 700 SERIES RER IR MNIFOLD MULTIPLEXED I/O MODULE WIRE CONNECTION INFORMTION - PGE 1 OF 2 RIGHT RER TRVEL RIGHT RER LOWER RIGHT RER RISE LINK LIGHT LEFT RER TRVEL LEFT RER LOWER LEFT RER RISE FRONT VIEW OF I/O MODULE CONNECTOR C D LIT RED LED INDICTES THERE SHOULD E +12 VOLTS ON THE CORRESPONDING WIRE. LINK LIGHT: LINK LIGHT FLSHING INDICTES PROPER COMMUNICTION ETWEEN THE I/O MODULE ND THE TOUCH PNEL. LINK LIGHT ON SOLID OR OFF INDICTES FILURE. PIN # WIRE COLOR WIRE NUMER WIRE DESCRIPTION ND FUNCTION 1 NO CONNECTION 2 YELLOW N/ CN HIGH COMMUNICTION WIRE 3 THRU 5 NO CONNECTION 6 LCK 3210 SW GND FROM RIGHT RER IR PRESS. SWITCH - LOW PRESSURE 7 ND 8 NO CONNECTION 1 NO CONNECTION 2 GREEN N/ CN LOW COMMUNICTION WIRE 3 THRU 7 NO CONNECTION 8 LCK 3215 SW GND FROM SYSTEM PRESSURE SWITCH - LOW PRESSURE C1 NO CONNECTION C2 N/ N/ SHIELD WIRE FOR GREEN & YELLOW CN COMMUNICTION WIRES C3 THRU C8 NO CONNECTION D1 RED POWER FOR I/O MODULE D2 WHITE 6233 GROUND FOR IR MNIFOLD PRESSURE SWITCHES D3 WHITE 6230 SYSTEM GROUND FOR I/O MODULE D4 NO CONNECTION D5 LCK 4210 SW GND FROM LEFT RER IR PRESS. SWITCH - LOW PRESSURE D6 THRU D8 NO CONNECTION MP JUL11

26 ELECTRICL CONNECTION DIGRM 700 SERIES RER IR MNIFOLD MULTIPLEXED I/O MODULE WIRE CONNECTION INFORMTION - PGE 2 OF 2 TRVEL W3700 TRVEL W4700 LOWER W3600 LOWER W4600 RISE W3500 RISE W WHITE LCK FOR CONNECTION INFORMTION SEE MP RED (6100) WHITE (6234) XLE IR IN [ HCV ] Y-PSS VLVE G Y-PSS VLVE HWH MIN TRUNK HRNESS LEFT RER PRESSURE SWITCH L E F T EXHUST G PSW G IR R I G H T H CORPORTION R WH RIGHT RER PRESSURE SWITCH TO FRONT I/O MODULE MP JUL11

27 ELECTRICL CONNECTION DIGRM LEVELING SYSTEM LTCH IN RELYS REFER TO VEHICLE MNUFCTURER FOR RELY MOUNTING LOCTION ND RESET SWITCH LOCTION RESET SWITCH (NC) CR1 CR PIN 4 PIN 1 PIN 3 PIN PIN 1 - LCK (7500) - SWITCHED +12 FROM FRONT I/O MODULE PIN 2 - WHITE (6235) - GROUND FROM FRONT I/O MODULE FRONT I/O MODULE SEE MP PIN 3 - RED (6102) TTERY TO FRONT I/O MODULE HRNESS CONNECTOR PIN 4 - RED (6120) CC. TO FRONT I/O MODULE HRNESS CONNECTOR CC 6120 TO +12 CCESSORY FUSE 5 MP TO +12 TTERY CC. ND TTERY CONNECTIONS Y VEHICLE MNUFCTURER MP JUL11

28 ELECTRICL CONNECTION DIGRM TWO ROOM EXTENSIONS ROOM EXTENSION HYDRULIC MNIFOLD / POWER / PUMP RELY TOP VIEW TNK SIDE MOTOR SIDE 1E 1R 2E 2R P.E.D P.E.D P.E.D P.E.D TO HWH GROUND STUD ON PUMP 1E - ROOM 1 CYL EXTEND - ROOM RETRCT 1R - ROOM 1 CYL RETRCT - ROOM EXTEND 2E - ROOM 2 CYL EXTEND - ROOM RETRCT 2R - ROOM 2 CYL RETRCT - ROOM EXTEND SEE ELECTRICL CONNECTION DIGRM MULTIPLE ROOM EXTENSIONS ROOM CONTROL CONNECTIONS FUSE 15 MP (LUE HOLDER) 6811 FUSE 15 MP (LUE HOLDER) 6810 FUSE 5 MP (ORNGE HOLDER) TO PUMP FROM +12 TTERY ROOM EXTENSION MNIFOLD CYLINDER EXTEND VLVE CYLINDER RETRCT VLVE PUMP RELY TO PRK RKE SWITCH HWH GROUND STUD FUSE 20 MP (YELLOW HOLDER) SEE MP WHITE (6230) RED (6100) 6810 MP JUL11

29 ELECTRICL CONNECTION DIGRM TWO ROOM EXTENSIONS ROOM CONTROL CONNECTIONS ROOM 1 CONTROL ROOM 2 CONTROL ROOM 1 EXTEND ROOM 1 SW TT ROOM 1 RETRCT PUMP TT PUMP ROOM 2 EXTEND ROOM 2 SW TT ROOM 2 RETRCT PUMP PUMP TT PIN DEUTSCH CONNECTOR PIN 1 - LCK ROOM 1 RETRCT SWITCHED +12 PIN 2 - LCK ROOM 1 EXTEND SWITCHED +12 PIN 3 - LCK ROOM 1 SWITCHED +12 FROM PUMP RELY PIN 4 - RED FROM PUMP RELY +12 TTERY PIN 5 - LCK PUMP CONTROL SWITCHED +12 PIN 6 - LCK ROOM 2 RETRCT SWITCHED +12 PIN 7 - LCK ROOM 2 EXTEND SWITCHED +12 PIN 8 - LCK ROOM 2 SWITCHED +12 FROM PUM RELY 8 PIN DEUTSCH CONNECTOR SEE ELECTRICL CONNECTION DIGRM TWO ROOM EXTENSIONS ROOM EXTENSION HYDRULIC MNIFOLD MP JUL11

30 ELECTRICL CONNECTION DIGRM LEVEL SENSING UNIT SEE WIRE LEGEND ELOW SEE ELECTRICL CONNECTION DIGRM - HRNESS ROUTING YELLOW LEDS D C OTTOM VIEW OF SENSING UNIT MOUNTING / DJUSTMENT SCREWS (3) SEE ELECTRICL CONNECTION DIGRM FRONT IR MNIFOLD I/O MODULE MP LED - FRONT OF VEHICLE LED - LEFT SIDE OF VEHICLE (DRIVER SIDE) LED C - RER OF VEHICLE LED D - RIGHT SIDE OF VEHICLE (PSSENGER SIDE) WIRE LEGEND PIN 1 - LCK SWITCHED GROUND WHEN RER IS LOW PIN 2 - WHITE GROUND FROM SENSING UNIT PIN 3 - RED VOLT FOR SENSING UNIT PIN 4 - LCK SWITCHED GROUND WHEN LEFT SIDE IS LOW PIN 5 - LCK SWITCHED GROUND WHEN FRONT IS LOW PIN 6 - LCK SWITCHED GROUND WHEN RIGHT SIDE IS LOW MP JUL11

31 ELECTRICL CONNECTION DIGRM COMPRESSOR DIGRM GRY FROM IR SOLENOID FUSE 15 MP 12 VOLT RELY (2) TO +12 TTERY POWER GROUND CHECK VLVE (3) FLOW IR LINE TO SUSPENSION IR FILTER NORMLLY OPEN IR SOLENOID (1) GROUND TO RELY MOUNTING OLT COMPRESSOR HRNESS FROM FRONT IR MNIFOLD I/O MODULE - (LCK) 9700 The control box sends a +12 signal to the normally open 12 volt relay. The 12 volt relay (2) will energize and the compressor will run. The normally open air solenoid (1) will close allowing the compressor to build pressure. The normally open air solenoid (1) will open any time the compressor is not running, allowing internal pressure & moisture to bleed off. The check valve (3) will keep the suspension air from bleeding back to the compressor. MP JUL11

32 ELECTRICL CONNECTION DIGRM IR COMPRESSOR +12 SIGNL COMPRESSOR HRNESS FROM FRONT IR I/O MODULE () WHITE GROUND LCK ( GROUND ) 12 VOLT ESSEX RELY RELY MTG. OLT RED +12 COMPRESSOR MOTOR FUSE 15 MP (GROUND) (+12 SIGNL) 15 MP 6100 NORMLLY OPEN 12 VOLT IR SOLENOID +12 VOLT TTERY POWER MP JUL11

33 ELECTRICL CONNECTION DIGRM IR / HYDRULIC LEVELING SYSTEM TOUCH PNEL CONNECTIONS HWH COMPUTERIZED LEVELING LEVEL IR EXCESS SLOPE LED DO NOT REVEE POLRITY MSTER WRNING LIGHT TRVEL MODE NOT IN PRK/ RKE DUMP EMERGENCY STOP RISE TRVEL MODE WRNING! UNDETND OPERTOR S MNUL EFORE USING. LOCK FRME ND TIRES SECURELY EFORE REMOVING TIRES OR CRWLING UNDER VEHICLE. LINK LIGHT PIN 6 PIN 3 CN2 PIN 4 PIN 1 PIN 1 CN1 TOUCH PNEL HRNESS DO NOT CUT TERMINTING RESISTOR NOTE: THERE IS 120 OHM TERMINTING RESISTOR T ECH END OF THE TOUCH PNEL HRNESS. DO NOT REMOVE, CUT OR MODIFY THE HRNESS. PIN # WIRE COLOR WIRE NUMER WIRE DESCRIPTION ND FUNCTION CN YELLOW GREEN WHITE 6230 RED 6800 CN NO CONNECTION 2 RED SUPPLY 5 LCK 7699 CN HIGH CN LOW CN SHIELD GROUND FROM CONTROL MODULE SWITCHED TTERY FROM CONTROL MODULE SWITCHED GROUND WRNING LIGHT CONTROL MP OCT11

34 INFORMTION INSERT HYDRULIC SOLENOID VLVE INDENTIFICTION - MNUL OPERTIONS - REPLCEMENT REPLCEMENT VLVES MY HVE VLVE RELESE NUT OR RELESE CM SOLENOID VLVES WITH CM RELESE The cam release style valves are direct replacements for all previous styles of HWH hydraulic solenoid valves. Valve size and voltage are still factors to be considered when replacing any HWH hydraulic solenoid valve. Replace a small style 12 volt valve with a small style 12 volt valve. Replace a large style 12 volt valve with a large style 12 volt valve. This is true for 24 volt valves also. Valve installation has not changed, simply turn out the old valve, confirm that no o-ring debris has been left in the manifold block and turn in the new valve. fter installing the valve and without creating stress on the wires at the point where they exit the valve body. Use a wire tie to secure the wires to the valve body to keep the wires from being pinched beneath the cam mechanism during operation. CM RELESE VLVE OPEN Manual retract position CM RELESE VLVE CLOSED Default position CM RELESE VLVE OPEN Manual retract position CM RELESE VLVE CLOSED Default position 1 1/2" DIMETER SOLENOID VLVE NOTE: The cam release may be rotated in any direction on the valve. DO NOT assume that pushing down will open the valve. Pushing the cam in the wrong direction could damage the valve. WIRE TIE 2 1/4" DIMETER SOLENOID VLVE NOTE: The cam release may be rotated in any direction on the valve. DO NOT assume that pushing down will open the valve. Pushing the cam in the wrong direction could damage the valve. WIRE TIE SOLENOID VLVES WITH 1/4" NUT RELESE VLVE RELESE NUT VLVE RELESE NUT 1 1/2" DIMETER SOLENOID VLVE NOTE: When opening the valve DO NOT turn the valve release nut more than 4 and 1/2 turns counter clockwise. Damage to the valve may result. 2 1/4" DIMETER SOLENOID VLVE THE RETHER CP IS LOCTED ON THE TOP SIDE OF THE POWER UNIT RESERVOIR FILL ETWEEN OIL LEVEL GROOVES PLSTIC PLUG: REMOVE TO GIN CCESS TO THE 1/4" VLVE RELESE NUT NOTE: When opening the valve DO NOT turn the valve release nut more than 2 full turns counter clockwise. Damage to the valve may result. 1/4" NUT DRIVER IMPORTNT: PRIOR TO REMOVING THE RETHER CP, EITHER TO CHECK THE OIL LEVEL OR TO USE 1/4" NUT DRIVER, CLEN NY DERIS FROM THE TOP OF THE RESERVOIR. EFORE RETURNING THE RETHER CP TO THE RESERVOIR, REMOVE NY PINT CHIPS OR OTHER DERIS FROM THE DIPSTICK INCLUDING DERIS INSIDE THE 1/4" NUT DRIVER. MP FE11