Takeuchi Track Loader TL12R2 Workshop Manual WETL12V_E-Xc

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Takeuchi Track Loader TL12R2 Workshop Manual WETL12V_E-Xc
Size: 124.52 MB
Format: PDF
Language: English
Brand: Takeuchi
Type of Machine: Track Loader
Type of Manual: Workshop Manual, Electric and Hydraulic Diagrams
Model: Takeuchi TL12R2 Track Loader
Part Number: WETL12V_E-Xc
Number of Pages: 614 Pages

Contents:
1. SAFETY

SAFETY ALERT SYMBOL​

SAFETY PRECAUTIONS​

Observe all safety rules​

Wear safe clothing and protective gear​

Install an extinguisher and a first aid kit​

Lockout/Tagout (LOTO)​

Use the correct tools​

Regularly replace the safety-critical parts​

Explosionproof lighting​

Prohibit access by unauthorized persons​

Prepare the work area​

When the canopy is tilted up​

Keep the machine clean​

Stop the engine before performing maintenance​

Keep clear of the moving fan and belt​

When working under the machine​

When working on the machine​

Securing the working equipment​

Secure the engine hood and guard when they are open​

Place heavy components in a stable position​

Caution when filling with fuel or oil​

Handling of hoses​

Be careful with hot and pressurized components​

Handling of radiator​

Be careful with oils under pressure​

Release the residual pressure from the hydraulic system before performing maintenance​

Be careful with grease under pressure​

Handling of the accumulator​

Disconnect the battery​

Use caution when handling batteries​

Have a service agent repair welding cracks or other damage​

Checks after maintenance​

Disposing of wastes​

Cautions for handling DEF/AdBlue®​

CAUTIONS WHEN WORKING​

Before starting work​

When disassembling or assembling​

When removing/installing the hydraulic unit​

When connecting/disconnecting the hoses or pipes​

Handling of seals​

Pressure adjustment for hydraulic devices​

2. SERVICE DATA

DIMENSIONAL DRAWING​

Machine dimensions​

Operating range​

SPECIFICATION TABLES​

Performance​

Dimensions​

Mass​

Engine​

Hydraulic system​

Brake device​

Undercarriage​

Operating device​

Working equipment​

Hydraulic system​

TABLE OF MASSES​

Upper structure​

Lower structure​

Attachments​

LUBRICANT AND FUEL CHART​

Diesel fuel standards​

Handling DEF/AdBlue®​

PERFORMANCE CRITERIA​

Standard values table​

Hydraulic pump assignment table​

Methods for inspecting performance​

TIGHTENING TORQUE​

Hydraulic hose​

Bite-type pipe fitting for steel pipe​

Joint for piping​

Joint for piping (O-ring seal type)​

Bolts and nuts (JIS strength category 10.9)​

HYDRAULIC CIRCUIT DIAGRAM​

Standard flow specification​

High flow and pattern change specification​

High flow specification​

ELECTRICAL CIRCUIT DIAGRAM​

Symbols in electrical circuit diagram​

Schematic diagram​

WIRE HARNESS​

Wiring diagrams​

HYDRAULIC DEVICE LAYOUT DIAGRAM​

3. FUNCTION

HST PUMP​

Hydraulic pump​

Control section​

Charge check/high-pressure relief valve assembly​

Charge relief valve​

GEAR PUMP​

CONTROL VALVE​

At the neutral position​

AUX1 operation​

Arm-raising operation​

Arm-lowering operation​

Bucket roll-back operation​

Bucket dump operation​

Flow rate adjustment valve​

When arm float is turned off​

Arm float operation​

Main relief valve​

Overload relief valve​

SUB VALVE​

When the solenoid valve A is not energized:​

When the solenoid valve A is energized:​

When the solenoid valve B is not energized:​

When the solenoid valve B is energized:​

PILOT VALVE​

When the lever (1) is in the neutral position:​

When the lever (1) is tilted:​

When the lever (1) is kept at a certain position:​

PROPORTIONAL CONTROL SOLENOID VALVE (ACTIVE POWER CONTROL)​

PROPORTIONAL SOLENOID VALVE (1ST SERVICE)​

SOLENOID VALVE (PARKING BRAKE)​

Solenoid valve​

CYLINDER​

Function​

Operation​

TRAVEL MOTOR​

4. DISASSEMBLY AND ASSEMBLY

SERVICE STANDARDS​

Track roller A​

Track roller B​

Sprocket​

Idler​

Clearance for pin and bushing​

Replacing the pin and bushing​

DRIVE SYSTEM​

Engine​

Radiator​

Hydraulic pump (without high-flow equipment)​

Hydraulic pump (with high-flow equipment)​

Fuel tank​

TRAVEL SYSTEM​

Track roller (Serial No.: 412000006 to 412000788)​

Track roller (Serial No.: 412000789 to 412000918)​

Track roller (Serial No.: From 412000919)​

Front idler (Serial No.: 412000006 to 412000871)​

Front idler (Serial No.: From 412000872)​

Grease cylinder​

Travel motor​

FRAME​

Tilting up the canopy and cab​

Lift arm stopper​

Floor frame​

Cover​

Canopy/cab​

OPERATING DEVICE​

Hydraulic pilot unit​

Disassembly and assembly​

ATTACHMENTS​

Mechanical quick-hitch​

Hydraulic quick-hitch​

Lift arm​

Hydraulic piping (machine without high-flow)​

Hydraulic piping (machine with high-flow, machine with 2nd auxiliary line piping)​

Hydraulic piping (machine with high-flow, machine with 2nd auxiliary line piping, machine with ride control)​

Block coupler (machine without high-flow)​

Block coupler (machine with high-flow, machine with 2nd auxiliary line piping)​

HYDRAULIC TANK​

Construction​

Removing the hydraulic tank​

Installing the hydraulic tank​

Filling with hydraulic oil​

Bleeding the air​

HST PUMP​

GEAR PUMP​

Construction​

Disassembly and assembly​

GEAR PUMP (HIGH FLOW)​

Construction​

Disassembly and assembly​

CONTROL VALVE​

Construction​

Disassembly​

Assembly​

Adjustment​

SUB VALVE​

Construction​

Disassembly and assembly​

Inspection and adjustment​

PILOT VALVE​

Construction​

Special tools​

Disassembly and assembly​

Inspection and adjustment​

SOLENOID VALVE (PARKING BRAKE)​

Construction​

Disassembly and Assembly​

Inspection and adjustment​

PROPORTIONAL CONTROL SOLENOID VALVE​

Construction​

Disassembly and Assembly​

Inspection and adjustment​

PROPORTIONAL CONTROL SOLENOID VALVE (1ST AUXILIARY LINE PIPING)​

Construction​

Disassembly and assembly​

Service standards​

CYLINDER​

Construction diagram​

Disassembly and assembly​

Tools required​

TRAVEL MOTOR​

5. TROUBLESHOOTING

ABOUT THE TROUBLESHOOTING SECTION​

Notes on troubleshooting and servicing​

OVERALL MACHINE​

No operation is possible.​

All systems working, but insufficient power.​

Lift arm and bucket fail to move or are too slow.​

TRAVELING​

Traveling fails.​

Right or left travel speed decelerates and the machine veers to one side.​

Operating temperature of the travel system is too high.​

2nd-speed travel is not possible.​

LIFT ARM​

Arm cylinder does not move​

Arm cylinder moves too slowly or lacks force​

When the control lever is pulled slowly, the lift arm drops once.​

Spontaneous drop of the lift arm is too large.​

BUCKET​

Bucket cylinder does not move.​

Bucket cylinder is slow or lacks force.​

Spontaneous drop of the bucket is too large​

SERVICE​

The prescribed pressure is not supplied to the 1st service​

HST PUMP​

HST system​

HST pump​

GEAR PUMP​

CONTROL VALVE​

SUB VALVE​

PILOT VALVE​

PROPORTIONAL SOLENOID VALVE (ACTIVE POWER CONTROL, 1ST AUXILIARY LINE PIPING)​

SOLENOID VALVE (PARKING BRAKE)​

CYLINDER​

6. OTHER

MAINTENANCE SOFTWARE MANUAL​

CONTENTS​

1. OUTLINE​

2. CONNECTION METHODS​

3. DESCRIPTION OF FUNCTIONS​

AIR CONDITIONER​

Compressor assembly​

Condenser assembly​

Air conditioner unit​

AC component​

AIR CONDITIONER SYSTEM​

Overview of System Operation​

Inspection and Maintenance without gauges​

Troubleshooting & Service Procedures​

TABLE OF VEHICLE ERROR CODES​

ENGINE ERROR CODES​