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Toyota Manuals
Forklifts
8FGCU 25
Repair manual supplement
Toyota 8FGCU 25 Repair Manual Supplement
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Contents
Table of Contents
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Table of Contents
2
Engine Exterior View
3
General
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8FGU 15, 18, 20, 25, 30, 32
8FDU 15, 18, 20, 25, 30, 32
8FGCU 20, 25, 30, 32
Supplement
Pub. No. CU066
PRINTED IN USA
Pub. No. CU066
Table of
Contents
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Chapters
Engine
12
Front Axle
22
Table of Contents
30
Cylinder
46
Other Modifications
72
Chapter 1 Introduction E1
86
Chapter 3 System Circuits
130
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Summarization of Contents
Foreword
General Section
Vehicle Model Information
Details vehicle classification, load capacity, engine, and transmission types for pneumatic and cushion tires.
Frame Number Identification
Illustrates frame number punching position and provides formats for pneumatic and cushion tire models.
Component Weights Summary
Lists weights (kg/lb) for major components like engine, transmission, counter weight, and mast assembly.
Lubricant Recommendations
Specifies recommended lubricant types, quantities, and classifications for various components like engine, transmission, and hydraulic systems.
Engine Service Procedures
Engine Exterior Views
Provides illustrations of the 1DZ-III engine exterior, showing its components and layout.
Engine Main Specifications
Details key engine parameters like bore, stroke, displacement, output, torque, and fuel consumption for gasoline and diesel engines.
Engine Performance Curves
Presents graphical data illustrating engine torque, power, and fuel consumption characteristics across different RPM ranges.
Engine Inspection and Adjustment
Outlines procedures for inspecting and adjusting engine idle speed and no-load maximum speed.
V-Belt Tension Adjustment
Explains how to inspect and adjust V-belt tension for 4Y and 1DZ engine vehicles using specific tools and methods.
Front Axle Service
Front Axle General Overview
Shows general diagrams of the front axle for Pn1, Pn2, and Pn3 ton series pneumatic tire models.
Front Axle Components Breakdown
Illustrates exploded views of front axle components for Pn1, Pn2, and Pn3 ton series, identifying parts with numbers.
Front Axle Bracket and Housing Service
Details the removal and installation procedures for the front axle bracket and housing, including torque specifications.
Mast Service Procedures
V Mast Assembly Components and Service
Details components, removal, and installation procedures for the V mast assembly.
FV/FSV Mast Assembly Components
Shows component diagrams for the FV and FSV mast assemblies, detailing part numbers.
QFV Mast Adjustment and Roller Selection
Explains QFV mast adjustment and standards for selecting oversize rollers.
Lift Cylinder Shim Adjustment
Details the method for adjusting lift cylinder rod shims to prevent uneven lifting, including inspection and adjustment steps.
Cylinder Service
Lift Cylinder (V) and Rear Lift Cylinder Service
Provides general illustrations and specifications for lift cylinders (V, FV, FSV, QFV).
Lift Cylinder Removal, Installation, and Service
Covers procedures for lift cylinder removal, installation, disassembly, and reassembly, including torque specs.
Tilt Cylinder Specifications and Service
Provides tilt cylinder specifications, removal/installation, and disassembly/reassembly procedures.
Other Modifications
Body and Toe Board Service
Covers the removal and installation of the body components and toe board, including accelerator cable disconnection.
SAS/OPS System Functionality
Introduces the SAS/OPS system and its components, specifically the tilt angle sensor.
Tilt Angle Sensor Service
Details the removal and installation procedures for the tilt angle sensor, including grease application and sensor matching.
SST List and Service Standards
Special Service Tool (SST) List
Lists special service tools with part numbers, names, and applicable sections for their use.
Service Standards Reference
Provides a list of service standards for engine, front axle, and mast components, including torque and tension specifications.
Wiring Diagram
Chapter 1: Introduction to Wiring Diagrams
Explains how to read wiring diagrams, defines sections, and lists abbreviations used in the manual.
Chapter 2: Electrical Wiring Routings and Relay Locations
Details electrical wiring routings, relay locations, junction blocks, and component connections within the forklift.
Chapter 3: System Circuits
Presents power source and system circuit diagrams for various forklift systems like engine, chassis, body, and lighting.
Chapter 4: Ground Points Identification
Lists ground points, their locations, associated systems, and corresponding page numbers for reference.
Chapter 5: Fuses for Power Supply
Details the fuse layout and system assignments for the fusible link blocks and engine room R/B, specifying amperage and page references.
Chapter 6: Connector List
Provides a comprehensive list of connectors, including their shapes, terminal numbers, colors, and part numbers for identification.
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