Takeuchi TB175 Repair Manual [Compact Excavator]

Takeuchi TB175 Workshop Manual 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 TB175

Serial No 17510003-

In Content

GENERAL
Safety Precautions
Cautions during Disassembly and Assembly
Cautions during Removal and Installation of the Hydraulic Units
Cautions during Removal and Installation of Piping
Handling of Seals
Tightening Torques
SPECIFICATIONS
Names of Components
Dimensions
Lifting Capacities
Specification Tables
Mass Tables
Recommended Lubricants
Types of Crawler Belts
Types of Attachments
Servicing Standards
Standards for Judging Performance
Reference Value Table
Methods for Inspecting Performance
MACHINE CONFIGURATION
Drive system
Slew System
Travel System
Upper Frame
Control System
Attachments
Hydraulic System
Electrical System
Engine Power
Auxiliary Engine Starting Device (Automatic Glow Circuit)
Engine Throttle Control Device
Cluster Gauge
Other Parts (Acc and B + Fuse Parts)
Proportional Control
Air Conditioner System
Security System
HYDRAULIC UNITS
Hydraulic Pump
Gear Pump
Control Valve (Mono-Block)
Control Valves
Pilot Valve: S/N 17510003-17512104
Pilot Valve: S/N 17512105-
Pilot Valves (Travel)
Pilot Valve (Swing)
Solenoid Valve (2-Section)
Solenoid Valve (3-Section)
Solenoid Valve (1-Section)
Solenoid Valve (1-Section)
Pilot Selector
Selector Valves
Proportional Control Solenoid Valve
Port Relief Valve
Shut-Off Valves
Cylinders
Tensioning Cylinder
Travel Motor
Slew Motor
Swivel Joint
TROUBLESHOOTING
OVERALL MACHINE
No operations can be done
All operations can be done, but there is no power
The boom, bucket, slew and arm do not move at all, or the speed is low
MACHINE TRAVEL
Right or left travel is impossible
Speed drops in the left or right travel, causing the machine to travel in a curve
Machine won’t accelerate during travel
During travel, the hoe attachment cannot be operated
SLEWING
No slewing can be done
Right or left slewing cannot be done
Slewing speed is low, or there is no power
The machine slews, but overrun when slewing stops is great, or it cannot be stopped
Slewing in slow gear is not possible
BOOM
The boom cylinder doesn’t move
Boom cylinder operation is slow, or there is no power
When the boom operation lever is pulled gently, the boom drops temporarily
The amount of boom natural drop is great
ARM
The ami cylinder doesn’t move
Ann cylinder operation is slow, or there is no power
The amount of arm natural drop is great
BUCKET
The bucket cylinder doesn’t move, or there is no power
The amount of bucket natural drop is great
BOOM SWING
The swing cylinder doesn’t move
DOZER BLADE
The dozer blade cylinder doesn’t move, or there is no power
The amount of dozer blade natural drop is great or the dozer blade won’t hold the machine up
AUXILIARY HYDRAULICS
The proportional control is impossible
The flow in the auxiliary hydraulic circuit cannot be controlled
ENGINE Manuals
4TNE94/98/106CD
3TNV/4TNV series
YPD-MP2/YPD-MP4

General
Inspection and adjustment
Troubleshooting
Disassembly, inspection and reassembly of engines
Lubrication system
Cooling system
Fuel injection pump / Governor
Turbocharger: Disassembly, inspection and reassembly
Starting motor
Alternator
Electric wiring
Service standards
Tightening torque for bolts and nuts