INSTALLATION MANUAL FOR Mud Hog System II & System III 2-Speed Rear Wheel Drive FOR CASE INTERNATIONAL 2055, 2155, 2555 COTTON PICKERS Mud Hog Model Numbers Specifications MH System CI49552 102-110 TC II CI49562 102-110 TC III CI49572 82-94 TC II CI49582 82-94 TC III TUTHILL Drive Systems Brookston Indiana USA Revised 8/2006 P.N. 105291
TABLE OF CONTENTS DESCRIPTION PAGE # Instructuctions & Specifications...2 Safety Procedures...3 Mud Hog System Identification...4 Installing Mud Hog Components...5 Mounting Equa-Trac II Valve...6 Mounting Oscillation Stops & Hose Guide Bracket...6 Mounting Manifold Adapter Block...7 Connecting & Routing Hydraulic Hoses...8-14 Mounting of Electrical Components...15-19 Mounting Wheels & Setting Toe-In...20 Pre-Start Procedures...20 Warranty...Back Cover
Instructions and Specifications INTRODUCTION This manual provides instructions for installing the Mud Hog Drive System on hydrostatic machines. Various machine options such as rear axle width and front tire size affect Mud Hog adaptation. These differences are specifically referred to in these instructions. Always follow the instructions which refer to the exact option configuration on the machine being converted. A complete pictorial breakdown of all the individual parts in the Mud Hog Drive System can be found in the Mud Hog Parts Catalog. Refer to this catalog for proper identification of parts required for service. GENERAL The terms right and left in these instructions are the same as the operators right and left hand when positioned in the operator s seat facing forward. IMPORTANT: Cleanliness is essential when installing or servicing hydraulic components. When making hydraulic connections, areas surrounding the connection should be steam cleaned or washed with solvent so that contamination will not enter the system. Always keep hoses and connectors and ports suitably capped or covered to keep contamination out of the system. CAUTION: Make sure that system pressure is relieved before disconnecting any lines or connections. Pressurized fluid escaping from the system can cause serious personal injury. TORQUE SPECIFICATIONS RECOMMENDED FOR USE WITH Mud Hog FASTENERS Recheck all bolt & nut torque after 1 hour s use and again after first day of use. Periodically check tightness every 100 hours of use thereafter. Note: bolts that require Loctite should not be re-tightened once Loctite has had time to cure. Note: When using original equipment fasteners, adhere to manufacturers recommended specifications. GRADE 8 (GRADE 10.9 METRIC) BOLTS AND GRADE C LOCKNUTS SIZE BOLT TORQUE[1] LOCKNUT TORQUE[2] (S.A.E.) (ft.lbs.) (ft.lbs.) 1/4-20 10-13 7-10 5/16-18 18-25 15-18 3/8 16 35-45 30-35 7/16-14 55-70 45-55 1/2-13 90-110 60-80 9/16-12 120-150 90-110 5/8 11 180-200 150-170 3/4-10 300-350 250-280 7/8 9 400-450 350-380 M10-1.5 35-45 30-35 M16-2.0 180-200 150-170 M20-2.5 400-450 350-380 HYDRAULIC FITTINGS, HOSE ENDS, TUBE NUTS DASH SIZE THREAD SIZE TORQUE[3] (S.A.E.) (S.A.E.) (ft.lbs.) -4 7/16-20 9-12 -6 9/16-16 21-24 -8 3/4-16 35-40 -10 7/8-14 55-60 -12 1 1/16-12 77-82 -16 1 5/16-12 110-120 [1] Torque to be applied to Grade 8 bolts. [2] Torque to be applied to Grade C locknuts. [3] Torque to be applied to S.A.E. straight thread O-Ring Boss (ORB) fittings/locknuts and 37 degree flared type (J.I.C.) fittings/hose ends and tube nuts. NOTE: Mud Hog and Equa-Trac are registered trademarks of Tuthill Transport Technologies. B
! Safety Procedures 1) READ THESE PROCEDURES COMPLETELY. Make sure you fully understand all controls BEFORE operating the system. 2) The safety information given does not replace safety codes, insurance needs, or federal, state, and local laws. 3) Standard safety procedures should be observed and practiced when operating or servicing the Mud Hog system. CAUTION should be practiced at all times. 4) All components MUST be securely and correctly mounted and connected BEFORE operating the system. 5) In the event of any malfunction in the system, the Mud Hog should be shut OFF immediately and not restarted until the machine is correctly serviced. 6) When raising the machine, make sure that a dependable left device is used to adequate capacity. Use suitable jack stands to support machine. Apply PARK or EMERGENCY BRAKE and block the front wheels to prevent the machine from rolling. 7) DANGER Escaping fluid under pressure can have sufficient force to penetrate the skin, causing serious personal injury. Fluid escaping from a small hole can be almost invisible. Use a piece of cardboard or wood rather than your hands, to search for suspected leaks. 8) DO NOT extend the axles beyond the distance stated in the instructions. 9) DO NOT alter axles in ANY manner alterations may reduce strength resulting in possible damage or personal injury. 10) DO NOT alter any component of the Mud Hog system. Unauthorized modification may result in possible damage or personal injury. 11) DANGER Failure to follow proper procedures when mounting a tire on a wheel or rim can produce an explosion which may result in serious bodily injury. DO NOT attempt to mount a tire unless you have the proper equipment and experience to perform the job safely. 12) WARNING Decals MUST be obeyed completely to prevent possible damage or injury. If decals are destroyed, lost damaged or cannot be read, replace immediately. 13) WARNING Any damaged hi-pressure hose should be replaced with a comparable 4-wire braid hose (DO NOT use a 2 or 3-wire braid hose). A
MUD-HOG SYSTEM IDENTIFICATION This manual covers both System II and System III MUD-HOG kits. The difference between Sys.II and Sys.III is wheel motor displacement. The Sys.II wheel motors have 57 cubic inches and the Sys.III wheel motors are two speed motors with displacements of 38 and 76 cubic inches. The number of lug bolts on the wheel motors will tell you which system your MUD-HOG kit is. A Sys.II has 8 lug bolts per motor and a Sys.III has 10 lug bolts per motor. Several sections in this manual will refer to either Sys.II or Sys.III. Sections that do not specify one or the other system are for both systems. REMOVAL OF EXISTING COMPONENTS Park the cotton picker in a clean working area. Apply the PARK or EMERGENCY BRAKE and block the front wheels to prevent the machine from rolling. Using a suitable lift device, jack or hoist, raise the rear of the machine so that the rear tires are several inches off the ground. Place the jack stands securely under the rear axle of the machine. Disconnect and remove the steering tie rod assembly from the wheel ends. Remove the outer tie rod from the tie rod assembly. Save the slotted hex nuts and cotter pins and tie rod mounting hardware for later use. Remove stub axle mounting bolts. Remove stub axles and save mounting bolts for installation of Mud Hog stub axles. NOTE: Always refer to Case International SERVICE MANUAL when disassembling any CI components. TREAD CENTER BOLT LOCATION 82" 1 & 3 86" 2 & 4 90" 3 & 5 94" 4 & 6 102" 7 & 9 106" 8 & 10 110" 9 & 11 Figure 1 4
INSTALLING MUD HOG COMPONENTS See Figure 1. to determine which set of holes in stub axle to use for your desired tread center. Slide Mud Hog stub axle and wheel drive assemblies into axle center section. CAUTION: Wheel drive assemblies are extremely heavy. Use a lift device of adequate capacity. Install an original mounting bolt through the OUTER hole on each side of the center section and secure using original fasteners. Install left and right hose guide brackets on center section using the supplied M24 x 220 mm bolts through the larger of the two holes on the brackets and remaining holes on the center section. Install brackets so that the single small holes are closest to the pivot of the axle center section. Secure using original mounting nuts. Torque bolts to 400 ft-lbs. NOTE: After Mud Hog is completely installed, the machine should be road tested and the axle bolts should be retorqued to 400 ft-lbs. See Figure 2. Install supplied outer tie rod onto steering assembly. Use original jam nut. Slide original inner tie rod into outer tie rod. Install supplied spacers, 3/8 x 2 1/2 bolts and 3/8 locknuts. Do not torque at this time. Re-install tie rod ends in tapered holes in the tie rod mounting ears on the wheel drive assemblies. Use the original slotted hex nuts and cotter pins to secure. Torque nuts to original specification and install cotter pins. See Figure 2. MOUNTING 2-SPEED VALVE Mount displacement control valve onto valve mounting bracket using supplied 3/8 x 1 1/4 bolts and lockwashers. Put ground wire with 3/8 ring terminal onto one of the bolts (run wire around back side of valve bracket to prevent stalks from breaking wire). Torque bolts to specification. See Figure 2. NOTE: 2-speed valve is only included in SYS. III units. SPACER, BOLT & NUT OUTER TIE ROD 2-SPEED VALVE EQUA-TRAC II VALVE GROUND WIRE BULKHEAD TEE VALVE SHIELD WHEEL DRIVE 5 Figure 2
MOUNTING EQUA-TRAC II VALVE Install supplied long and short elbows (12 ORB-M x 12 JIC-M) into E-T II valve as shown in Figure 3. Do NOT tighten at this time. Mount Equa-Trac II (E-T II) valve and valve shield on valve mounting bracket using supplied 3/8 x 1 1/2" bolts and lockwashers (make sure ground wire from displacement control valve is between shield and bracket to protect it from plants - Sys.III only). Torque bolts to specification. Install bulkhead tee onto upright plate on valve bracket. Install E-T II valve, shield and bracket assembly on hose guide brackets using supplied 3/ 8 x 1 1/2" bolts and locknuts. Torque bolts to specification. See Figure 2. 12 ORB-M X 12 JIC-M 90' ELBOW, REVERSE 12ORB-M X 12 JIC-M 90' ELBOW LONG, FORWARD MOUNTING OSCILLATION STOPS AND HOSE GUIDE BRACKET Figure 3 If the Mud-Hog axle is being installed at 90" tread center or narrower, oscillation stops must be installed to prevent the tires from hitting the frame or plant shields and damaging them. Install two provided oscillation stops (See Figure 4A) by removing existing oscillation stops and four bolts from each side of rear axle bolster and replace with supplied M16 x 80 mm bolts and hardened washers. Position oscillation stops such that bottom section of stop extends down between ribs on center section and hits on flat part of center section when oscillated. Install the hose guide bracket on the right side of the machine using one of the oscillation stop mounting bolts. Torque to specification. See Figure 4. Figure 4 Bottom FIGURE 4A 6
MOUNTING MANIFOLD ADAPTER BLOCK NOTE: The hydrostatic system oil may be drained at this time. Many of the following procedures require removal and replacement of various hydraulic fittings and connectors in the hydrostatic system. Oil within the system will leak from these connections as the procedures are performed. Refer to CI specifications and recommended procedures for servicing the hydrostatic system. Always keep in mind cleanliness and safety precautions. Install supplied straight adapters (12 ORB-M x 12 JIC-M) into ports of manifold adapter block. See Figure 5. Remove hoses with split flange connectors from the hydrostatic pump. Replace original bolts with supplied 7/16 x 3 1/4 bolts. Mount supplied manifold adapter blocks in between pump and split flange connectors. Mount blocks with adapters facing front of machine such that a hose can be connected. Make sure that the o-rings do not slip out of place. Torque bolts to specification. Figure 5 7
CONNECTING AND ROUTING HYDRAULIC HOSES IMPORTANT: Torque hose ends to specification only after both ends are connected. When tightening hose ends do NOT allow hoses to twist. Twisting the hose contributes to hose failure. Over-tightening can damage fittings. Refer to torque specifications at the beginning of this manual. A. EQUA-TRAC II VALVE TO WHEEL DRIVES 82-94" TREAD CENTERS, SYS.II: Match together the 45 degree end of the 57" drain hose with the small 3/8 straight end of one of the 52" flush hoses and two 50" high pressure hoses. Slide a 36" long cordura sleeve over these hoses. Slide hoses thorough the hose guide on the right hand side of the rear axle. Match remaining similar hoses and cordura and slide through left hand hose guide. The 45 degree ends go toward the wheel motors. NOTE: The drain hose for the left hand side is 50" long. 82-94" TREAD CENTERS, SYS.III: Match together the 45 degree end of the 57" drain hose with two of the 50" high pressure hoses. Slide a large diameter 36" cordura sleeve over these hoses. Match the 3/8 straight end of one 52" flush hose with the 90 degree end of one 56" 2-speed hose. Slide a small diameter 36" cordura sleeve over these hoses. Matching together the 45 degree end in one bundle and the 90 degree end in the other bundle, slide sleeved hoses through right hand hose guide. Match remaining hoses similarly and slide through left hand hose guide. The 45 degree and 90 degree ends go toward the wheel motors. NOTE: The drain hose on the left hand side is 50" long. 102-110" TREAD CENTERS, SYS.II: Match together the 45 degree end of the 67" drain hose with the small 3/8 straight end of one of the 59" flush hoses and two 56" high pressure hoses. Slide a 48" long cordura sleeve over these hoses. Slide hoses through the hose guide on the right hand side of the rear axle. Match remaining similar hoses and cordura and slide through left hand hose guide. The 45 degree ends go toward the wheel motors. NOTE: The drain hose for the left hand side is 61" long. 102-110" TREAD CENTERS, SYS. III: Match together the 45 degree end of the 67" drain hose with two of the 56" high pressure hoses. Slide a large diameter 48" cordura sleeve over these hoses. Match the 3/8 straight end of one 59" flush hose with the 90 degree end of one 65" 2-speed hose. Slide a small diameter 48" cordura sleeve over these hoses. Matching together the 45 degree end in one bundle and the 90 degree end in the other bundle, slide sleeved hoses through right hand hose guide. Match remaining hoses similarly and slide through left hand hose guide. The 45 degree and 90 degree ends go toward the wheel motors. NOTE: The drain hose on the left hand side is 61" long. 8
HOSE ENDS MOTORS VALVES A - FORWARD HIGH PRESSURE 1/2" STR. 1/2" STR. B - REVERSE HIGH PRESSURE 1/2" STR. 1/2" STR. C - CASE DRAIN 1/2" 45 DEG. 1/2" STR. D - FLUSH 3/8" STR. 1/2" STR. Figure 6A 9
WHEEL MOTOR CONNECTIONS Connect hoses as shown in Figure 6A for Sys.II. Connect hoses as shown in Figure 6B for Sys.III. NOTE: On Sys.III units the forward and reverse connections are opposite the normal positions on the R.H. motor. The wheel motors will have an "A" and a "R" cast into the motor housing by the high pressure ports. The "A" port is for forward and the "R" port is for reverse. HOSE ENDS MOTORS VALVES A - FORWARD HIGH PRESSURE 1/2" STR. 1/2" STR. B - REVERSE HIGH PRESSURE 1/2" STR. 1/2" STR. C - CASE DRAIN 1/2" 45 DEG. 1/2" STR. D - FLUSH 3/8" STR. 1/2" STR. E - 2-SPEED 1/4" 90 DEG. 1/4" STR. Figure 6B 10
VALVE CONNECTIONS Connect hoses to valve(s) and bulkhead tee as shown in Figures 6A & 6B. NOTE: Connect hoses to similar ports. i.e. reverse port, B, on wheel motor to reverse port, B, on valve. Do NOT cross hoses to dis-similar ports. Connecting high pressure hoses to drain or flush ports can cause damage to your machine. Connecting forward to reverse will cause wheel motor to turn backwards. Using one of the 18" hoses, connect the top elbow (stamped T on 2-speed valve) to reducer at E-T II valve drain fittings, C. Using the other 18" hose, connect the rear elbow (stamped P) to 1/4" tee on E-T II valve. See Figure 7. NOTE: Only in SYS.III units. Connect 90 degree end of the 190" long hose to the drain fitting, C, on valve. Connect 90 degree end of 124" hose to bulkhead tee, D. See Figures 6A & 6B. Torque all hose ends and fittings at E-T II valve and wheel motors to specification. Turn wheel drives from stop to stop. Check that hoses do NOT kink twist or bind. Make any necessary adjustments to fittings. Figure 7 B. EQUA-TRAC II VALVE TO HYDROSTATIC DRIVE UNIT Match together the straight ends of the 145" (3/4"ID) hoses. Slide two supplied large diameter 48" long cordura sleeves over these hoses. Match straight end of the 124" flush hose with the straight end of the 190" drain hose. Slide the remaining two large diameter 48" long cordura sleeves over these hoses. Route sleeved hoses along right-hand side of the machine through the rear hose guide installed earlier. Route the straight ends of the 145" hoses and the 90 degree ends of the 124" and 190" hoses toward the valve. NOTE: Position cordura sleeves at points of contact to prevent hose abrasion. Connect the 90 degree ends of the 145" long hoses to the fittings in the manifold adapter block. Connect the straight end of the 145" hose that is connected to the lower (forward) fitting on the manifold adapter block to the long elbow on the E-T II valve. Connect the straight end of the 145" hose that is connected to the upper (reverse) fitting on the manifold adapter block to the short elbow on the E-T II valve. See Figure 3. Secure hoses using two supplied large coated clamps to secure hoses to the engine mount frame with two supplied 5/16 x 1 bolts and locknuts in slotted holes. Be sure that the hoses are routed smoothly and not twisted. Torque all hose ends and clamp bolts to specification. 11
FLUSH TEE HOSE FROM COOLER FLUSH HOSE CONNECTION CHECK VALVE ADAPTER CLAMP Right Hand Side of Machine Figure 8 C. MOTOR FLUSH CONNECTION Splice existing hose from cooler and install flush tee, check valve, adapter, and clamps as shown in Fig. 8. Connect blank end of 124" hose to flush tee. Fasten with hose clamp. Note: Arrow direction on check valve should point from flush tee to adapter. Installing check valve backwards will blow the hoses apart. 12
D. CASE DRAIN CONNECTION FOR 2055 ONLY Replace existing elbow in rear filter on left hand side of machine near reservoir with supplied drain elbow. See Figure 8A. Connect straight end of 190" hose to elbow. FOR 2155 & 2555 ONLY Some machines may already have an elbow with an 08 ORB plug in it. In this case, remove plug and install supplied 08 ORB x 08 JIC elbow. See Figure 8B. If the existing elbow does not have a plug, then replace it with supplied 20 ORB-M x 16 ORB-F reducer and supplied drain elbow. See Figure 8C. Connect straight end of 190" hose to elbow. Existing Elbow Supplied Elbow Drain Hose Connection Figure 8A 13
08 ORB Plug Supplied Elbow Existing Elbow Drain Hose Connection Figure 8B Existing Elbow Supplied Elbow Drain Hose Connection Reducer Figure 8C 14
MOUNTING OF ELECTRICAL COMPONENTS FOR 2055 ONLY Remove access panel to gear shift lever compartment outside of cab, fuse #16 should be removed before hooking up wobble switch. One wire is hot at all times. NOTE: Fuse #2 should be pulled for models early than 1994. Remove cover panel surrounding gear shift lever in left-hand corner of cab. Install wobble switch using provided #6-32 x 1 1/4 screws and nuts. Use provided #10 external lock washers over large existing holes. The wobble switch is mounted so that its switch extension wire is activated by shifting the gear selection lever. See Figure 9. NOTE: Switch should be mounted such that it is activated in 3rd gear only. Locate one red and one blue wire with forked terminals in wiring harness and connect to common and normally closed terminals on wobble switch. Remove access panel to right-hand console panel. Install supplied rocker switch in righthand console. There should be a knock-out in the console that the rocker switch will fit into. Locate wiring harness with one red and one white wire. Figure 9 15
FOR 2055 ONLY For SYS.II units plug wiring harness into rocker switch. For SYS.III units, use two supplied 3" wires. Connect the blue wire in the wiring harness (position # 2) to spade on rocker labeled # 2. See Figure 10. Connect the blue wire (position #3) to spade on rocker labeled # 3. Using supplied wires and female connector, connect spade in rocker labeled # 1 to wire on 2-speed displacement valve with male connector. Route wire from cab back to rear axle. Cut off any excess wire. NOTE: HI on rocker means high torque (low speed). LO on rocker means low torque (high speed). NOTE: For 1992 model cotton pickers, refer to the service bulletin included at the beginning of this manual. The wiring harness incorrectly connects the rocker to an unswitched power source. This will allow the Mud-Hog solenoid on the Equa-Trac II valve to remain hot when the Mud Hog rocker switch is left on and the ignition key is off. This can result in your battery being "drained". WIRING HARNESS 2-SPEED ROCKER SWITCH Figure 10 16
FOR 2155 & 2555 ONLY Remove cover panel surrounding gear shift lever. Fuse #16 should be removed before hooking up lockout switch. Install 3rd gear lockout switch using provided #4-40 x 3/4 screws, nuts, & washers. The switch is mounted so that the switch extension wire is activated by shifting the gear selection lever. See figure 11. NOTE: Switch should be mounted so that it is activated in 3rd gear only. Locate on red and one blue wire in wiring harness and connect to common and normally closed terminals on switch. NOTE: Some machines may already have 3rd gear lockout switch installed. The red & blue wires may still need to be connected. Remove access panel to right-hand console panel. Install supplied rocker switch into knockout in console panel. For System II units: Plug wiring harness into supplied rocker switch. For System III units: Refer to the following directions to modify the wiring harnesses to accept a 3- position rocker switch for the 2-speed Mud Hog. NOTE: Some machines may already have had this modification done at the factory. Rocker Switch Connector: 1. Using AMP removal tool, move wire in cavity 1 to cavity 3. Remove wire from cavity 5. 2. Insert the AMP connectors on the supplied jumper harness into cavities 2 & 5. Cut AMP connector off wire removed from cavity 5 and connect to 1/4 male slide of jumper harness using supplied 1/4 female slide. 3. Insert the AMP connector on the supplied 87" wire into cavity 6. 87" wire is taped to jumper harness. 4. Plug rocker switch connector into supplied 3-position rocker switch. Deutsch 12 Pin Brown Connector (under jumper seat) 1. Connect 87" wire from cavity 6 of rocker switch to cavity 8 (insert female Deutsch connector). 2. Insert male Deutsch connector on supplied 80" wire into cavity 8 (in opposite end of 12 pin connector). Deutsch 70 Pin Connector (in right hand wall of cab) 1. Connect 80" wire from cavity 8 of deutsch 2 pin brown connector to cavity 1 (or other open cavity) and insert male Deutsch connector. 2. Insert female Deutsch connector on supplied 184" wire into same cavity as above (#1) on outside of cab. Harness Breakout at Center of Machine 1. Connect connector on 184" wire from cavity 1 of 70 pin connector to mating connector of supplied 100" wire harness. 2-Speed Solenoid 1. Connect 1/4 female slide on 100" wire harness from center harness breakout to male connector on 2-speed solenoid. The 3-position rocker will switch from OFF to HI to LOW (OFF- HALF DISPLACEMENT- FULL DISPLACEMENT). See figure 12. 17
Red Wire Blue Wire 3rd Gear Lockout Switch Switch Extension Wire Figure 11 18
Black Wire 100" Wire 1/4 Female Slide Ring Terminal (Connect to post on Equa-Trac II Valve) Connect to 2-Speed Solenoid Black Wire Terminal & Body Terminal & Body Center Harness Breakout Terminal & Body White Wire 184" Wire 1 Deutsch Female 1 Deutsch Male Deutsch 70 Pin Connector Right Wall of Cab Back Wall of Cab 80" Wire 87" Wire 1/4 Male Wire Removed From Cavity 5 1/4 Female Jumper Harness Move 2 1 4 3 6 5 8 7 Rocker Switch Connector Seat 8 8 Deutsch Female Deutsch Male Figure 12 ALL MACHINES For System II units: Locate the center wiring harness breakout on right-hand side of machine near the engine. Connect the supplied wire to the white wire in harness. Connect the ring terminal end of supplied wire to the threaded terminal post on the solenoid valve at the Equa-Trac II valve. Secure with provided nut (already on terminal post). For System III units: Locate the center wiring harness breakout on the right-hand side of the machine. Connect the black wire in the supplied wiring harness to the white wire in the harness on the machine. Connect the ring terminal end of the supplied wire to the threaded terminal post on the solenoid valve of the Equa-Trac II valve. Secure with the provided nut (already on terminal post. Check wiring. Turn ignition switch "ON" and "OFF". Listen for a soft "clicking" sound at the solenoid valve(s) to insure proper wiring function. Use the provided tie straps as necessary to secure the wire to the sleeved hoses alongside the machine clear of moving parts. Re-attach console panels and secure with original fasteners. 19
MOUNTING WHEELS AND SETTING TOE-IN Mount the wheels onto the wheel motor hub flanges with the center of the wheel in-board of the wheel motor flange. NOTE: Installing the wheels dished-out with the center of the wheel outside of the mounting flange on the motors will VOID your warranty. Install the lug nuts and torque to proper specification. NOTE: Older axles, made in 2002 or earlier have a 2-piece nut. The torque specification for this type of nut is 369 ft.lbs. During 2002, the style of nut changed to a 1-piece nut and the torque specification for this type of nut is 442 ft.lbs. NOTE: Check tire pressure. Mark center of each tire tread on the front and rear of both tires at the same height. Measure distance (A) between the two marks on the rear of the tires. Measure distance (B) between marks on the front of the tires. (B) should be 1/8 to 3/8" less than (A). Remove bolts from tie rod tubes. Loosen clamps and jam nuts. Rotate tubes to lengthen or shorten tie rods. Adjust toe-in to 1/8 to 3/8". Replace bolts and tighten clamps and jam nuts. PRE-START PROCEDURES Locate steering stop bolts on the top of each stub axle and wheel drive assembly. Loosen jam nuts and screw stop bolts completely in. Turn steering wheel to the right until tie rod ear hits stop bolt. Check tires for clearance during oscillation of axle. If there is interference, adjust stop bolt out until interference is eliminated. Turn steering wheel to the left until tie rod ear hits stop bolt. Check tires for interference and adjust accordingly. Return wheels to a straight ahead position. Check that all bolts, nuts and hydraulic connections are torqued to specification. See torque specifications at the beginning of the manual. Check that all hoses and wires are properly routed, free and clear of moving parts and secured properly. Fill hydrostatic reservoir. Follow CI specifications and recommendations concerning hydrostatic fluid and the servicing of filters. Road test machine. Go over some bumps. Retorque axle mounting bolts to 400 ftlbs. SEE START-UP PROCEDURE AT END OF TROUBLESHOOTING MANUAL 20
4WD Mud Hog Vinyl Decal Application Instructions To apply your decal, please follow the instructions below: 1. Clean area above rear wheel on ladder side of machine to remove dirt and grime. 2. Without removing the paper backing, position decal on surface exactly where you want it. 3. Once the decal is in position, place a piece of masking tape along the top edge to hold the decal in place. 4. The decal should be sitting on the surface like a flap. Lift up the decal and remove the paper backing. 5. With the backing paper completely removed from the decal & transfer tape, gently lower the decal with the transfer tape back down to the surface and rub it down lightly with your hand. 6. The transfer tape should still be on the side of the decal facing you. This allows you to rub the decal without scratching or damaging the decal. Take a squeegee or credit card and firmly rub the transfer tape and thus the decal until it is firmly adhered to the surface. 7. Finally, peel off the transfer tape and masking tape gently. The decal will adhere to the surface much more aggressively than the transfer tape. The transfer tape should lift easily leaving behind no sticky residue. 8. Your decal installation is complete. If there are bubbles present under the decal that cannot be removed by working them to edge, a small needle or pin can be used to puncture the bubble and remove the air. A small pin hole will not be seen after the air bubble has been worked out.
24 MONTH LIMITED WARRANTY Tuthill Transport Technologies ( Tuthill ) warrants Mud Hog drive systems and components to be free from defects in material and workmanship under normal use and service for 24 months from the date of shipment from Tuthill. Normal use and service means that the product will be installed, operated, inspected and maintained in accordance with the applicable Mud Hog manual or instructions and any applicable vehicle manufacturer s manual or instructions. THE ABOVE WARRANTY IS EXCLUSIVE. TUTHILL MAKES NO OTHER REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. No agent, distributor, dealer or employee of Tuthill has authority to extend the scope of this warranty. This warranty applies only to products which are sold and used only in the United States and Canada. [Tuthill does not itself warrant components which bear the name or trademark of another manufacturer. [Such components include but or not limited to ] Any warranty or remedy for such parts is limited to the extent of any warranty provided by the manufacturer to Tuthill.] No warranty applies in the event of replacement of parts with parts not obtained from or approved by Tuthill which do not meet Tuthill quality and performance specifications, improper installation, maintenance, repair, misuse or abuse, or unauthorized alteration or modification. Tuthill reserves the right to make changes and improvements in design or specifications without notice and without obligation to provide or to substitute new design modifications for those Mud Hog systems or components already in service. Tuthill will at its option refund the purchase price of, or repair or replace without charge for parts, any Mud Hog product determined by Tuthill to be defective in material or workmanship during the applicable warranty period. Labor allowance, if applicable, will be determined in accordance with Tuthill s warranty labor rate and time allowances established from time to time. These remedies are exclusive. In no event shall Tuthill s liability exceed the purchase price for the Mud Hog product when sold by Tuthill to the first buyer. Tuthill shall not be liable for any incidental or consequential damage or expense resulting from any product defect, including but not limited to loss of profits, loss of use of equipment, increased costs or other expenses. INSTALLER AND OWNER RESPONSIBILITIES The installer is responsible for installing the product according to Tuthill s approved procedures, for providing a copy of Tuthill s warranty and owner s manual to the owner, and for advising the owner of proper use, service, and maintenance required for the product. The owner is responsible for operation, inspecting and maintaining the product according to the instructions in the owner s manual and any applicable vehicle manufacturer s owner s manual, and for properly instructing all operators and maintenance personnel. ADJUSTMENTS When adjustment is sought under this warranty, a claim should be made as follows: A. Tuthill must be notified in writing promptly upon discovery of a claimed defect. B. If the product was installed by the vehicle manufacturer (or it s dealer), follow the manufacturer s procedures for warranty claims; or If the product was purchased from Tuthill through a distributor of Mud Hog products, have the distributor write or phone the Tuthill Customer Service Department and ask for a Returned Goods Authorization Number. C. Components requested by Tuthill must be returned freight prepaid and accompanied by a properly completed warranty claim form. Tuthill will specify the ship-to address at time of return approval. 9098 West 800 South, P.O. Box 600 TUTHILL Brookston, Indiana USA 47923 Transport Technologies Tel 219 279-2801 Fax 219 279-2390 www.tuthill.com Toll Free: 1-800-348-2474 B