Takeuchi TB020 Repair Manual [Compact Excavator]

This Complete manual (WD3-101E1) 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. Please use this manual as a reference in service activities to improve maintenance techniques. Further, please be advised that items contained in this manual are subject to change without notice due to design modifications, etc.

Searchable Text: Fast Search option by any word
Bookmarks: easy navigation allowing you quickly jump to any chapter
Printable: 1 page or entire manual
Zoomable: detailed exploded diagrams, pictures
Models Covered

Takeuchi TB020 Compact Excavator

SERIAL NUMBER
TB020 : 1203001-

D1105-B, V1505-B Engines

In Content

GENERAL
General Cautions
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
Specifications
Weights
Fluid Capacities
Recommended Lubricants
Types of Crawler Belts
Types of Attachments and their Combinations
Servicing Standards
Standards for Judging Performance
Reference Values
Methods for Inspecting Performance —
MACHINE CONFIGURATION
External View
Drive System
Slew System
Travel System
Upper Frame
Control System
Attachments
Hydraulic System
Electrical System
HYDRAULIC UNITS
Hydraulic Pump
Control Valve
Control Valve (Sub)
Pilot Valve
Cylinder
Travel Motor (with Parking Brake)
Slew Motor (without Parking Brake)
Slew Motor (with Parking Brake)
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 right or left travel, causing the machine to travel in a curve
Machine won’t accelerate during travel
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 canot be stopped
When stopped on a slope, the slewing body cannot maintain its posture after stopping
BOOM
The boom cylinder doesn’t move
Boom cylinder operation is slow, or there is no power
If the boom operation lever is pulled gently, the boom drops temporarily
The amount of boom natural fall is great
ARM
The arm cylinder doesn’t move
Arm cylinder operation is slow, or there is no power
The amount of arm natural fall is great
BUCKET
The bucket cylinder doesn’t move, or there is no power
The amount of bucket natural fall 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 fall is great, or the dozer blade won’t hold the machine up

ENGINE Manual (D1105-B, V1505-B)
MECHANISM
1 ENGINE BODY
2 LUBRICATING SYSTEM
3 COOLING SYSTEM
4 INTAKE/EXHAUST SYSTEM
5 FUEL SYSTEM
6 ELECTRICAL SYSTEM

DISASSEMBLING AND SERVICING
G GENERAL
1 ENGINE BODY
2 LUBRICATING SYSTEM
3 COOLING SYSTEM
4 FUEL SYSTEM
5 ELECTRICAL SYSTEM