Publication No. TR-350M-3/C1-1E. Rough Terrain Crane TR-350M-3. Model. Applicable Serial No PRINTED IN JAPAN 0503 K

Transcription

1 Publication No. TR-350M-3/C1-1E 01 Rough Terrain Crane Model TR-350M-3 Applicable Serial No c2005 PRINTED IN JAPAN 0503 K

2 Foreword Foreword This material is the one that Publication No. TR-350M-3/C-02J was replaced from Japanese with English. This circuit diagrams applies to the cranes with the specification numbers given below. Check the specification number on the nameplate of your crane. Read the separate operation, maintenance manual, and the parts catalog for repair and maintenance of the crane in conjunction with this manual. If the parts needs to be replaced, check the disassemble units and sales units in the parts catalog before replacing them. 1. Applicable spec. No. SPEC. NO. SERIAL. NO. MFG.DATE. KAGAWA, JAPAN ISA Spec. No. Applicable serial No. TR-350M TR-350M TR-350M ~ TR-350M We reserve the right to modify the design without notice for improvements, etc. 1 WA E

3 Foreword 2. Contents Section Spec. No. TR TR TR TR Hydraulic Circuit Z-1 Z-2 Z-3 Z-4 Electric Circuit (Crane) Z-5 Electric Circuit (Carrier) Z-6 Torque Converter Circuit Z-7 Brake Circuit (Pneumatic Circuit) Z-8 2 WA E

4 Z System Diagrams Contents Z-1 Hydraulic Circuit (TR-350M )...1 Z-2 Hydraulic Circuit (TR-350M )...2 Z-3 Hydraulic Circuit (TR-350M ) Aplical serial No Aplical serial No Z-4 Hydraulic Circuit (TR-350M )...5 Z-5 Electric Circuit (Crane)...6 Z-6 Electric Circuit (Carrier)...7 Z-7 Torque Converter Circuit...8 Z-8 Brake Circuit (Pneumatic Circuit)...9 Z i

5 Z-1. Hydraulic Circuit (TR-350M ) Z-1. Z-1. Z-1 Hydraulic Circuit (TR-350M ) Rotary joint Notice : If optional equipment is not fitted,. Ports between B-B, C-C,... are connected together respectively.. Ports marked * are plugged. Applicable Steering cylinder (Front:Left steering) (steering mode select) Orbitrol (Front:Right steering) Pressure sensor Suspension cylinder Check valve Oil cooler Air conditioner Quick-turn jib cylinder Priority valve Swing driving unit Hydraulic pilot control valve (upper) Jib Hydraulic pilot control valve (swing) Hose reel Jib tilt cylinder Boom elevating Elevating cylinder (auto. stop) Boom telescoping (suspension select) (hydraulic pressure delivery) (option) Telescoping cylinder Hose reel (top cyl. select) (outrigger extending prevention) (outrigger, suspension) (suspension) Pressure sensor (Swing, Telescoping and Jib) Swing (Elevating and Winch) Aux.winch (Main) Winch clutch Shuttle valve Extension cylinder (Telescoping/Jib operation select) Double variable displacement pump Telescoping (Aux.) Jib Elevating Winch brake band Double gear pump (slide/ jack select) Gear pump (emergency steering) Jack cylinder ( jack cylinder retracting prevention) Hydraulic oil tank Solenoid control relief valve (boom elevating stop) Master cylinder IWZ E WZ E 1

6 Z-2. Hydraulic Circuit (TR-350M ) Z-2. Z-2. Z-2 Hydraulic Circuit (TR-350M ) Rotary joint Notice : If optional equipment is not fitted,. Ports between B-B, C-C,... are connected together respectively.. Ports marked * are plugged. Applicable Steering cylinder (Front:Left steering) (steering mode select) Orbitrol (Front:Right steering) Pressure sensor Suspension cylinder Check valve Oil cooler Air conditioner Quick-turn jib cylinder Priority valve Swing driving unit Hydraulic pilot control valve (swing) Hydraulic pilot control valve (upper) Boom elevating (auto. stop) Boom telescoping Elevating cylinder (suspension select) (hydraulic pressure delivery) (option) Telescoping cylinder Hose reel (top cyl. select) (outrigger extending prevention) (outrigger, suspension) (suspension) Pressure sensor (Elevating and Winch) (Main) Shuttle valve Swing Aux.winch Winch clutch Extension cylinder Double variable displacement pump Telescoping (Aux.) (Swing, Telescoping) Jib Elevating Winch brake band Double gear pump (slide/ jack select) Gear pump (emergency steering) Jack cylinder ( jack cylinder retracting prevention) Hydraulic oil tank Solenoid control relief valve (boom elevating stop) Master cylinder IWZ E WZ E 2

7 Z-3 Z-3 Hydraulic Circuit (TR-350M ) Z-3 Z-3 Hydraulic Circuit (TR-350M ) 1. Aplical serial No Rotary joint Notice : If optional equipment is not fitted,. Ports between B-B, C-C,... are connected together respectively.. Ports marked * are plugged. Applicable Steering cylinder (Front:Left steering) (steering mode select) Orbitrol (Front:Right steering) Pressure sensor Air conditioner Oil cooler Suspension cylinder Check valve Priority valve Swing driving unit Hydraulic pressure delivery Hydraulic pressure delivery (option) Hydraulic pilot control valve (swing) No.3 winch (No.3 winch) Boom elevating hydraulic pressure delivery outlet (with automatic brake) Boom telescoping Elevating cylinder (suspension select) (auto. stop) Telescoping cylinder Hose reel (top cyl. select) (outrigger extending prevention) Shuttle valve (outrigger, suspension) Extension cylinder (suspension) (hydraulic pressure delivery) (option) Pressure sensor (Swing, Telescoping and No.3 winch) Swing (Telescoping/No.3 winch operation select) Hydraulic pilot control valve (upper) (Elevating and Winch) (Main) Winch clutch Double variable displacement pump Telescoping (Aux.) No.3 winch Elevating Winch brake band Double gear pump (slide/ jack select) Gear pump (emergency steering) Jack cylinder ( jack cylinder retracting prevention) Hydraulic oil tank Solenoid control relief valve (boom elevating stop) Master cylinder (hydraulic pressure delivery) (option) IWZ E WZ E 3

8 Z-3. Hydraulic Circuit (TR-350M ) Z-3. Z Aplical serial No Rotary joint Applicable : # ~ Notice : If optional equipment is not fitted,. Ports between B-B, C-C,... are connected together respectively.. Ports marked * are plugged. Steering cylinder (Front:Left steering) (steering mode select) Orbitrol (Front:Right steering) Pressure sensor Oil cooler Air conditioner Suspension cylinder Check valve Priority valve Swing driving unit Hydraulic pilot control valve (upper) Hydraulic pressure delivery Hydraulic pressure delivery (option) Hydraulic pilot control valve (swing) No.3 winch (No.3 winch) Boom elevating hydraulic pressure delivery outlet (Left) (Right) Boom telescoping Elevating cylinder Counterbalance valve (suspension select) (auto. stop) Telescoping cylinder Hose reel (hydraulic pressure delivery) (option) (top cyl. select) (outrigger extending prevention) (outrigger, suspension) (suspension) Pressure sensor (Swing, Telescoping and No.3 winch) Swing (Elevating and Winch) (Main) Winch clutch Shuttle valve Extension cylinder Double variable displacement pump (Telescoping/No.3 winch operation select) Telescoping Winch clutch (No.3 winch) (Aux.) Winch brake band (Main) (hydraulic pressure delivery) (option) No.3 winch Elevating Master cylinder Winch brake band (Aux.) Winch brake band (No.3) (slide/ jack select) Gear pump (emergency steering) Jack cylinder ( jack cylinder retracting prevention) Double gear pump Hydraulic oil tank Solenoid control relief valve (boom elevating stop) Master cylinder Master cylinder IWZ E WZ E 4

9 Z-4. Hydraulic Circuit (TR-350M ) Z-4. Z-4. Z-4 Hydraulic Circuit (TR-350M ) Rotary joint Notice : If optional equipment is not fitted,. Ports between B-B, C-C,... are connected together respectively.. Ports marked * are plugged. Applicable Steering cylinder (Front:Left steering) (steering mode select) Orbitrol (Front:Right steering) Pressure sensor Air conditioner Oil cooler Suspension cylinder Check valve Priority valve Swing driving unit Hydraulic pilot control valve (upper) Hydraulic pressure delivery Hydraulic pilot control valve (swing) Hydraulic pressure delivery (option) hydraulic pressure delivery outlet Boom elevating Boom telescoping Elevating cylinder (auto. stop) (suspension select) Telescoping cylinder Hose reel (top cyl. select) (outrigger extending prevention) (outrigger, suspension) (suspension) (hydraulic pressure delivery) (option) Pressure sensor (Elevating and Winch) (Main) Shuttle valve Swing Winch clutch Extension cylinder Double variable displacement pump Telescoping (Aux.) (Swing, Telescoping) Elevating Winch brake band Double gear pump (slide/ jack select) Gear pump (emergency steering) Jack cylinder ( jack cylinder retracting prevention) Hydraulic oil tank Solenoid control relief valve (boom elevating stop) Master cylinder (hydraulic pressure delivery) (option) IWZ E WZ E 5

10 Z-5. Electric Circuit (Crane) Z-5. Z-5. Z-5 Electric Circuit (Crane) Applicable Boom length input Boom angle input angle 1 input Swing angle 2 input Main pressure input Accumurator pressure input Overwind (two-blocking) detection Middle boom full retraction detection To AML main body power supply PTO switch When zero-point adjust of AML, attach a connector and connect a circuit. Boom angle detector SK1 AML release switch Boom length detector SPS1 Main pressure sensor Cord reel Overwind/two-blocking detection switch (boom) L4 SPS2 pressure sensor Swing angle detector 1 Swing angle detector 2 L7 3rd & top boom full ret. detector switch Overwind cutout (anti-twoblock) disable AML override Jib lock pin detection Jib automatic pin detection Over-front detection Swing dead angle detecyion Jib lock pin detector switch L1 (Single top) (Jib) L5 Overwind detection switch (jib and single top) CS10 Jib auto. pin detector switch SC12 Over front area detector switch SC11 Swing dead angle detector switch Moment detector Shield Transmitter Shield Shield Cord reel Analog Digital Mounted on boom head Shield Jib angle detector Power tilt jib model Auto. stop 1 Auto. stop 2(emergency stop release) Buzzer output(acc low-press. alarm) Buzzer output(aml alarm) Telescoping control output Buzzer output(over wind alarm) hoisting up detection hoisting down detection hoisting up detection hoisting down detection For emergency due to AML failure SL1 (Auto. stop) Buzzer 4 3rd & top boom extension switch S7 Buzzer 3 PS1 winding detector switch SL22 (top cylinder select) Right swing proportional control valve output Right swing proportional control valve COM Left swing proportional control valve output Left swing proportional control valve COM Boom extension Input spare Boom raising Boom lowering Swing right Swing left Boom raising proportional control valve output Boom raising proportional control valve COM Boom lowering proportional control valve output Boom lowering proportional control valve COM SL12 SL29 Right swing proportional control valve Left swing proportional control valve PS2 winding detector switch PS6 Boom lowering detector switch Boom raising proportional control valve PS10 Left swing detector switch SL28 Boom lowering proportional control valve PS3 Boom extension detector switch PS5 Boom raising detector switch PS9 Right swing detector switch Swing warning lamp (option) If main switch is necessary, remove this connector to install it. Swing warning lamp (Right) Swing warning lamp (Left) Electric circuit (Carrier) To PTO solenoid TS3 Temperature switch (85 C) TS1 Temperature switch (50 C) Outrigger extension width zero, span adjustment switch Shield S11 Shield To transmitter upper unit drum rotation sensor S10 Air horn switch To air horn solenoid To combination switch To power supply (12V) drum rotation sensor S9 Winch drum indicator main switch SL56 () SL55 AML lamp (option) () S18 External indicator(~90%) External indicator(100%~) External indicator(90~100%) S14 Green Yellow Red Drum indicator select switch (Main / Aux.) Luminescence type drum indicator Drum indicator (option) Swing stop release switch PS8 Jib lowering detector switch PS7 Jib raising detector switch Telescoping/Jib select switch Telescoping/No.3 winch select switch Power tilt jib, No.3 winch model Emergency outrigger state control Swing stop release Jib tilt raising Jib tilt lowering Wire covering color codes are as follows : 0.85 R Y S13 Power tilt jib model:unnecessary No.3 winch model:required SL24 (telescoping/ lowering select) SL25 (retracting/raising select) When No.3 winch model, attach a connector and connect a circuit. When STD jib model, attach a connector and connect a circuit. Marks Color B W R L Y G O P V Br Gy Sb Lg Black White Red Blue Yellow Green Trace colors of wire coverings Base colors of wire coverings Square measures of wires (mm 2 ) Orange Pink Violet Brown Gray Sky blue Light green This program includes options ; is based on the following conditions : 1.Crane : traveling condition 2.PTO switch : OFF 3.Boom : fully retracted, over-the-front 4.Hook blocks : overwound 5.Starter switch : OFF 6.Control levers : neutral positions No.3 winch model S8 No.3 winch clutch select switch S4 clutch select switch S5 clutch select switch S3 Overwind cutout (anti-twoblock) disable switch S6 Swing brake switch S16 Side up/down select switch Clutch pressure indicator lamp Clutch pressure indicator lamp SL21 (retraction) PS15 No.3 winch clutch pressure detect switch PS16 No.3 winch brake pressure detect switch (No.3 winch clutch select) PS11 clutch pressure detect switch PS13 brake pressure detect switch SL26 (main winch clutch select) PS12 clutch pressure detect switch PS14 brake pressure detect switch SL20 (extension) SL14 (swing free / lock select) SL19 (remote control pressure vent) SL18 ( swing brake) SL27 (aux. winch clutch select) S2 2nd boom emergency telescoping switch S15 Swing free / lock select switch S1 3rd-top boom emergency telescoping switch IWZ E WZ E 6

11 Z-6. Electric Circuit (Carrier) Z-6. Applicable Z-6. Z-6 Electric Circuit (Carrier) Intermittent wiper relay (roof wiper) Relay RC1 Relay RA3 Roof wiper motor Washer tank Combination meter Pilot lamp (Boom top) 3W Windshield wiper motor Head lamp (LH) Head lamp (RH) Roof window washer switch Roof wiper switch Working lamp switch Working lamp Light for drum monitor camera Electric mirror (LH 60W) (Boom 60W) Room lamp (10W) (RH 60W) (Relay box side) Relay RA1 Electric mirror switch Heater switch (electric mirror) Electric retractable mirror switch Pressure sender (air pressure) SPS11 Starter switch P.T.O. switch Power mode switch Hi / Low & 2 / 4wheel drive select switch Reverse steering switch Steering lock release switch (compensation) Lock pin switch Emergency transmission switch Outrigger switch (Jack / Slide select) Outrigger switch (Ext. / Ret. select) Relay RA2 Parking brake switch Hydraulic suspension switch (up / down) Transmission select switch (ALL) Individual operation switch Step lamp switch Step lamp Cigarette lighter Hydraulic suspension switch (free) Room lamp (10W) Door switch Wiring built in cab View system Retarder hand lever Steering mode select switch Electric circuit (crane) Relay RF1 ( emergency transmission select) Power window switch Relay RA4 ("N" position start) Power window motor CS8 Buzzer 1 (Air horn) Proximity switch (rear position detect) Combination switch Lever P Horn switch Hazard lamp switch Shield (TX-MONI) (RX-MONI) (COM) (+5V) (5VCOM) Drum indicator output (LED1) Drum indicator output (LED2) Drum indicator output (LED3) Drum indicator output (LED4) Spare 1 5V Spare 1 Analog A/D input Spare 1 Analog input COM Spare 2 5V Spare 2 Analog A/D input Spare 2 5V Air pressure sensor input COM Power source 12V MDT CPU output Main speed input Main speed output Tachometer sensor input Tachometer sensor output Drum indicator input (M) Drum indicator input (S) Power source 24V Flasher unit Relay RA14 (Horn) Reverse steering 2 Output spare 7 Output spare 6 Output spare 5 Output spare 4 Glow lamp Hi beam lamp Output spare 3 Output spare 2 Output spare 1 Outrigger ret.operation detect Tactile sense type drum indicator output (M) Tactile sense type drum indicator output (S) Crab steering Rear steering 2 Wheel steering 4 Wheel steering Air pressure sensor output (+) Warning Air pressure buzzer sensor output (-) Serial input 4 (+) Serial input 4 (-) Serial output 4 (+) Serial output 4 (-) Serial input 3 (+) Serial input 3 (-) Serial output 3 (+) Serial output 3 (-) Serial input 2 (+) Serial input 2 (-) Serial output 2 (+) Serial output 2 (-) Serial input 1 (+) Serial input 1 (-) Serial output 1 (+) Serial output 1 (-) System check input Serial communication circuit 4 (combination meter) Serial communication circuit 3 (AML) Serial communication circuit 2 (spare) Serial communication circuit 1 (lower transmitter unit) Starter switch ON condition detect Outrigger width zero,span adjustment Working lamp Exhaust brake Retarder brake 1 Retarder brake 2 Retarder brake 3 Retarder brake 4 Retarder brake 5 No.3 brake lamp Parking brake switch condition detect P.T.O. switch condition detect HI/LO, 2/4 wheel drive select (1) HI/LO, 2/4 wheel drive select (2) Power/Eco. mode select Rear steering lock release (compensation) Rear steering lock Head lamp (B) Head lamp (A) 2 wheel steering 4 wheel steering Crab steering Rear steering Reverse steering Electric retractable mirror (L) Electric retractable mirror (R) Clearance lamp Telescoping / Jib select Hydraulic suspension (free) Hydraulic suspension (down) Hydraulic suspension (up) Emergency transmission D N R Air heater relay Extension Retraction Jack Slide ALL FL FR RL RR STD jib Drum indicator M/S select Over rear detect AML release No.3 winch Input spare 1 (+) Input spare 2 (+) Input spare 3 (+) Over rear detect (-) Oil temp. 50 C (-) Oil temp. 85 C (-) Auto. pin set (-) Relay RC2 (Wiper) Relay RC3 (Wiper) Relay RA5 (Right turn signal) Relay RA6 (Left turn signal) (TX-MONI) (RX-MONI) (COM) (RESET OUT) (+5V) (5VCOM) Input spare 2 Input spare 1 Emergency transmission Engine start Input spare 6 Input spare 5 Input spare 4 Input spare 3 Input spare 2 Input spare 1 Lock pin out detect Lock pin set detect Straight steer. position detect Input spare 7 Engine oil low pressure 4 wheel drive detect Air low pressure Brake fluid level detect Parking low pressure Fuel residual quantity warning detect 5V O/R length input FL 5V O/R length input FR 5V O/R length input RL 5V O/R length input RR 5V Torque converter pressure sensor input Spare 1 5V Spare 1 Spare 2 5V Spare 2 Spare 3 5V Spare 3 Sensor input spare 1 Sensor input spare 2 Sensor input spare 3 Sub speed input (+) Sub speed input (-) Tachometer sensor input (+) Tachometer sensor input (-) Power source 12V ( main speed) Main speed input Main speed output Torque converter pressure sensor output Tachometer sensor output Vehicle height detect FL (L) Vehicle height detect FL (H) Vehicle height detect RL (H) Vehicle height detect RL (L) Vehicle height detect FR (H) Vehicle height detect FR (L) Vehicle height detect RR (L) Vehicle height detect RR (H) Retarder lamp (+) Outrigger ret. operation detect (+) Outrigger ext. operation detect (+) Outrigger switch neutral position detect (+) Power source 24V Serial input 1 Serial communication circuit 1 Serial input 1 (upper transmitter unit) Serial output 1 Serial output 1 System check switch Charging lamp input Serial communication circuit 2 (Spare) Serial input 2 Serial input 2 Serial output 2 Serial output 2 Intermittent wiper relay (Wind shield wiper) Parking 4W GY Combination lamp Clearance 10W G (LH) Turn 25W+25W GB Mirror retractable motor (L) PS15 Low pressure switch (engine oil) Low pressure switch (air) Low pressure switch PS17 (parking brake) (steering mode select) SL32 SL31 SL34 SL33 SL61 (lock up) (2/4 wheel drive select) SL74 O/R length detector (FL) O/R length detector (FR) O/R length detector (RL) O/R length detector (RR) Pressure sender (torque converter pressure) Sol.2 SL44 Sol.1 SL43 S3 Pick up sensor (speed (S)) Lead switch (4 wheel drive detect ) Pick up sensor (engine rev.) Speed sensor (M) S1 S2 Lead switch (Reservoir Ass'y) SL45 (hydraulic suspension) Retarder controller Hydraulic suspension (L) Relay RF2 (emergency transmission select) TS4 TS5 (outrigger accelerator) Fuel sender Relay RF3 (Jack/Slide select) SL77 Thermo sender (engine water temp.) Thermo sender (T/C oil temp.) Passing beam (65W) Beam (50W+55W) Position (5W) (outrigger jack/slide select) SL5 SL9 SL4 SL8 Slide Jack Slide Jack (FL) (FR) Proximity switch (vehicle height detect) CS1 CS2 CS3 Relay RA12 (Retarder) Thermo sender (retarder water temp.) TS3 SL80 (proportional valve) Hydraulic suspension (R) (outrigger jack/slide select) SL7 SL11 SL6 SL10 Slide Jack Slide Jack (RL) (RR) Transmission select valve SL64 SL67 SL63 SL65 SL68 SL66 CS4 Combination lamp (RH) Relay RC4 (O/R ext./ret. select) (O/R ext./ret. select) SL2 SL3 Ext. Ret. Accelerator switch Jack/Slide select switch Ext./Ret. select switch Mirror retractable motor (R) Electric retractable mirror control box Relay (head lamp) Relay RA15 (tire light) Relay RA8 (clearance lamp) Safety relay Starter relay Starter motor CS5 CS6 CS7 Tire light Tire light switch Relay RA11 (back up lamp) Proximity switch (lock pin out detect) Proximity switch (lock pin set detect) SL62 (P.T.O.) SL72 (governor select) Proximity switch (straight steer. position detect) Relay RA17 (steering power source) (exhaust brake) L10 Limit switch (idling condition detect) Relay RB1 (transmission power source) Relay RA16 ( emergency transmission select) Relay RA9 ( battery hold) Alternator Notice 1. Numbers within [ ] indicate the numbers of the wiring terminals. 2. The size of wires not indicated is 0.85mm "FL","FR","RL", and "RR" for the outrigger switches indicate the operating outrigger positions respectively, and for the outrigger solenoid valves, hydraulic suspention solenoid valves, and the proximity switches indicate the installed positions respectively. 4. With the outriggers J/S selector relay RF3 This diagram shows X-type outriggers, while figure A shows H-type outriggers. 5. The wiring numbers show 12-voltage system, the other show 24-voltage system. Relay RB3 (P.T.O. limiter) SL75 (rear steerimg lock) SL78 Battery relay Relay RF3 (Jack/Slide select) H type outrigger A Relay (engine stop) Air heater relay Pressure switch (stop lamp) Flow divider (grease) Battery Stop relay Engine stop solenoid Gros heater B (TR-250M-6) Relay RA13 (retarder stop lamp) B Tachograph Grease pump Engine stop solenoid Air heater (TR-350M-3) Pilot lamp (3W) Auto. lubrication switch System check switch Radio Air conditioner hydraulic pressure delivery Timer 12V output DC/DC converter 24V input Converter SL71 (speed limiter) Air dryer heater SL79 (parking brake) SL76 (No.3 brake) Outrigger operation box (lower) Illumination switch Back up lamp (25W) Back up buzzer Tail & stop lamp Turn signal lamp Combination lamp (LH) Turn signal 25W GY Stop 25W GW Tail 10W G Parking 3W GL License lamp (12W) Turn signal lamp Tail & stop lamp Combination lamp (RH) IWZ E WZ E

12 Z-7. Z-7. Z-7. Torque Converter Circuit Z-7 Torque Converter Circuit Temperature sensor Torque converter outlet pressure regulator valve Oil cooler Lubricant quantity control valve Torque converter inlet relief valve Main regulator valve Pressure sensor Modulating valve (Lock up) (PTO) Lock-up clutch Line filter Charging pump Rear Front Torque converter Strainer Air cylinder (2/ 4 wheel drive select) Transmission IWZ E01 8 WZ E 8

13 Z-8. Z-8. Z-8. Brake Circuit (Pneumatic Circuit) Z-8 Brake Circuit (Pneumatic Circuit) Pressure switch (stop lamp) Rotary joint Brake valve (outrigger accelerator) Shuttle valve Pressure sensor Disc brake calliper Shuttle valve Air cylinder (accelerator) Accelerator valve Front Reducing valve Air tank (auxiliary brake) Reducing valve Air cylinder (governor select) Rear Drain cock Air cylinder (exhaust brake) Oil reservoir Air inflator Air cylinder (2/4 wheel drive select) Air horn Booster Air tank Relay valve Air cylinder (steering lock) Booster Air tank Air drier Relay valve Low-pressure indicator (air pressure warning) Unload valve Solenoid contorl valve Safety valve Pressure regulator Retarder Air tank Check valve Air compressor Parking brake chamber Drain cock Pressure switch (parking brake) (parking brake) IWZ E01 9 WZ E 9

14 Head Office Ko-34,Sinden-cho, Takamatsu, Japan Overseas Service Group Tadano Ryogoku Bldg. 4-12, Kamezawa 2-chome, Sumida-ku, Tokyo, Japan Tel. 81 (3) Tel fax 81 (3) History of revision