Takeuchi TB45 Mini Excavator Workshop Manual

Covers Takeuchi TB45 mini excavator systems including hydraulic circuits, troubleshooting, and component diagrams. Features detailed procedures for maintenance and repair. Ref: PUB. 1

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Document Details

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Document Number / Seller:
26689 / Patricia Robinson
File Size:
24.81 MB
File Type:
PDF
Language:
English
Pages:
200+
Printable:
Yes
Category:
Mini Excavator
Last updated / verified
Jun 29, 2025

Models Covered & Key Technical Specifications

Systematic Overhaul Service Manual: Takeuchi TB45 Excavator Service Manual - Comprehensive Maintenance, Diagnostics & Repair Procedures OEM-Documentation

Documentation-Type: Workshop Manual // Serial-Range: TB45 // Documentation-Type: Manual

Integrated-Framework Baseline Architecture
Documented Shipping Weight: 4550kg. is set to provide crucial handling data. Calibrated Print Quality: For optimal operation, 1860 mm defines the maximum overall width Framework. Authorized Assembly Torques: 13.7 kgf·m -- signifies the maximum engine torque Threshold.
Core Adjustment Range: The formatter board requires 22.0 mm for standard operation Logic. Rated Generation Capacity: Maximum operating pressure reaches 175 kg/cm² Parameters. Principal Form Factor: The component specifications are documented for 40 PS, establishing precise output standards.

Professional Workshop Service Manual & Technical Specifications

Systematic Overhaul Service Manual: Takeuchi TB45 Excavator Service Manual - Comprehensive Maintenance, Diagnostics & Repair Procedures OEM-Documentation

Documentation-Type: Workshop Manual // Serial-Range: TB45 // Documentation-Type: Manual

Integrated-Framework Baseline Architecture
Documented Shipping Weight: 4550kg. is set to provide crucial handling data. Calibrated Print Quality: For optimal operation, 1860 mm defines the maximum overall width Framework. Authorized Assembly Torques: 13.7 kgf·m -- signifies the maximum engine torque Threshold.
Core Adjustment Range: The formatter board requires 22.0 mm for standard operation Logic. Rated Generation Capacity: Maximum operating pressure reaches 175 kg/cm² Parameters. Principal Form Factor: The component specifications are documented for 40 PS, establishing precise output standards.

Featuring a modular arrangement of the following chapters:

  • GENERAL ITEMS OF CAUTION
  • SPECIFICATIONS DIAGRAM
  • HYDRAULIC CIRCUIT DIAGRAM
  • ELECTRICAL CIRCUIT DIAGRAM
  • TRAVEL
  • SLEW
  • BOOM
  • ARM
  • BUCKET
  • BOOM SWING
  • DOZER BLADE

Systems Overview

System operation descriptions cover the main hydraulic and mechanical systems of the Takeuchi TB45 excavator. This manual details the structure and operation of hydraulic units, including hydraulic oil tanks, pumps, control valves, motors, and cylinders.

Component Diagnostics & Repair Procedures

The documentation addresses troubleshooting common issues for the entire machine, travel system, slew system, boom, arm, and bucket functions. It provides flowcharts and diagnostic steps to identify faults.

Technical Specifications

Assembly instructions are detailed for various components, including the crawler belts, carrier rollers, and track rollers. It also includes specifications for pins and bushings. Efficiently requiring precise measurements for optimal performance.

Troubleshooting Guide

Hydraulic schematics are included for the main control valve, sub-control valve, and selector valve, aiding in the diagnosis of hydraulic system malfunctions. Diagrams illustrate the operation of various hydraulic components.

Repair Procedures

Steering component information is provided for the travel motor and slew bearing, with detailed diagrams and procedures for removal and installation. The manual documents torque specifications for bolts and nuts to ensure proper assembly and prevent structural misalignment.

FAQ

Specify the **applicable** lubrication requirements for the TB45 mini excavator. keyboard_arrow_down

125 liters (33 U.S.gal.) is the total hydraulic oil capacity, with a tank capacity of 110 liters (29.1 U.S.gal.). Recommended intervals are every 1,500 hours for hydraulic oil.

What is the **exact** testing parameters for the slewing function? keyboard_arrow_down

Standard value for slewing time is 14 ± 0.5 sec. Permissible value is 16 sec. or less for slewing within a standard operational range.

Calculate the **specific** diagnostic procedures for a non-responsive boom cylinder. keyboard_arrow_down

Refer to Section V, page 36, for troubleshooting the boom cylinder. It involves checking the control valve's load check valve and internal leakage within the boom cylinder itself.

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This workshop manual is a game-changer! It provided clear instructions and detailed guidance on maintaining my Takeuchi TB45. The troubleshooting section was particularly helpful. Plus, the download process was incredibly smooth—I received the link promptly after my purchase. Highly recommend for anyone needing to keep their excavator in top shape!