Takeuchi TL120 Repair Manual [Crawler Loader]

Takeuchi TL120 Workshop Manual CT3E001 is intended for persons who engage in maintenance operations, and explains procedures for disassembly and reassembly of the machine, check and maintenance procedures, maintenance reference values, troubleshooting and outline specifications, etc.

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Models Covered

Takeuchi TL120 Repair Manual

Serial No.21200008-

In Content

SAFETY
Safety alert symbol
Safety precautions
Cautions when working
SERVICE DATA
Dimensional drawing
Specifications tables
Fuel and lubricant table
Performance criteria
Tightening torque
Hydraulic circuit diagram
Electrical wiring diagram
Wire harness diagram
OPERATION
HST pump
Gear pump
Control valve
SUB valve
Self-level vatve
Pilot valve
Proportional control solenoid valve
Cylinders
Travel motor
Proportional control
Air conditioner system
Disassembly and assembly
Service standards
Drive system
Travel system
Frame
Control system
Attachments
Hydraulic tank
HST pump
Gear pump
SUB vatve
Self-level valve
Pilot valve
Proportional control solenoid valve
Cylinders
Travel motor
Proportional control
Air conditioner
TROUBLESHOOTING
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 fails
Arm cylinder is slow or the power is insufficient
When the control lever is pulled slowly, the lift arm drops once
Spontaneous drop of the lift arm is too large
Bucket
Bucket cylinder fails to move
Bucket cylinder is slow or the power is insufficient
Spontaneous drop of the bucket is too large
Auxiliary hydraulics
Proportional control is not possible
HST pump
Gear pump
Control valve
SUB valve
Self-level valve
Pilot valve
Proportional control solenoid valve
Cylinders
Travel motor
Air conditioner system
ENGINE Repair Manual
4TNV84T*