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Caterpillar GC70K Forklift Engine Service and Schematic Manual (99739-82110)

Format: PDF (Printable Document)

File Language: English

File Pages: 2823

File Size: 147.34 MB (Speed Download Link)

File Count: 120 PDF files

Brand: Caterpillar

Model: GC70K

Equipment Type: Forklift

Book No: 99739-82110

Serial No: AT89B-00001-up

Manuals Included: 9 publications – Chassis & Mast Service Manual, Chassis Service Manual, 3L, G6 Gasoline Engine Service Manual, 4X LPG Engine Service Manual

Type of Document: Engine Service & Schematic Manual

Categories: ,

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Caterpillar GC70K Forklift Engine Service and Schematic Manual (99739-82110)

That GC-series truck is a cushion-tire counterbalanced forklift used to move and stack loads around a plant, warehouse, or yard. When the truck is out of warranty and the repair window is short, a plant technician or forklift shop reaches for the service manual to test, adjust, and rebuild it correctly. This is the engine book of the set, covering engine specifications, systems operation, testing and adjusting, disassembly and assembly, torque values, and clearances. The chassis and mast work is in the companion chassis manual, also available.

What this manual helps you do

  • Check engine specifications, service data, torque values, and clearances.
  • Trace engine-system operation and associated schematics during fault finding.
  • Test and adjust engine systems using workshop procedures.
  • Diagnose running, starting, fuel, cooling, and lubrication problems.
  • Rebuild engine assemblies with disassembly and assembly guidance.

Who this is for

This suits a warehouse maintenance technician, plant maintenance team, dealer technician, independent forklift repair shop, or rental fleet mechanic working in the forklift repair trade. It gives a mechanic who has to learn the truck from the book a practical workshop reference, while the operator handbook and chassis manual remain available as companion volumes.

FAQ

Q: What do I receive, and how is it organised?

A: You receive a set of 9 Cat publications as 120 PDF files, split by section, with 2,823 pages total. The PDFs can be printed, enlarged for bench work, searched, and copied from because they carry a real text layer.

Q: Which trucks and serials does it fit?

A: It covers GC35K, GC40K, GC45K SWB, GC45K, GC55K, GC60K, and GC70K. For GC70K, the printed serial coverage is AT89B-00001-up.

Q: How does it fit the repair job?

A: Use it for engine testing, adjustments, service data, and teardown or assembly work on these Cat trucks. It gives you the engine-side procedures needed to plan and complete an in-house repair.

With this set, you can diagnose and repair the engine during a limited maintenance window, using the Cat procedures and service data at the truck.

Models covered by this manual

Caterpillar publication 99739-82110 is the factory engine service and schematic manual for the GC70K, serial range AT89B-00001-up. The same publication covers 8 further forklift models: GC35K, GC40K, GC40K STR, GC45K STR, GC45K SWB, GC55K STR, GC60K, GC70K STR. The cover also lists GC45K, GC55K. Check the model and serial number on your data plate before ordering.

📘 Show Index

Table of Contents:

  • 99789-84120 – 3L, G6 Gasoline Engine Service Manual
    • Foreword
    • Determining When to Overhaul the Engine
    • Engine Replacement
    • Specifications
    • Major Nuts and Bolts Tightening Torque
    • Sealers, Adhesives and Lubricants
    • Use of RTV and Anaerobic Sealer
    • Diagnostic Information and Procedures
    • Valve Train Diagnosis
    • Oil Leak Diagnosis
    • Electrical Throttle and Governor Control System
    • Ignition System and Distributor
    • Starter Motor
    • Special Tools and Equipment
  • 99739-8D100 – Chassis & Mast Service Manual
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Power Train
    • Powershift Transmission
    • Front Axle and Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast and Forks
    • Service Data
    • How to Read Circuit Diagrams
    • Engine Schematic
    • Circuit Diagrams
  • 99739-82110 – Chassis & Mast Service Manual
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Power Train
    • Powershift Transmission
    • Front Axle and Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast and Forks
    • Service Data
    • How to Read Circuit Diagrams
  • 99739-94100 – Chassis & Mast Service Manual
    • Foreword
    • Rear Combination Lamp Kit
    • Warning Lamp Kit
    • Working Lamp Kit
    • Creep Speed Kit
    • Foot Directional Control Group
    • ENGINE SHUTDOWN KIT (LPG models only)
    • Enclosed Alternator Field Kit
    • Disconnect Switch Kit
    • Description
    • Key Kit
    • Back Buzzer Kit
    • Dual Element Air Cleaner
    • Dust and Foundry Kit
    • Back Mirror Kit
  • 99739-82100 – Chassis & Mast Service Manual
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Power Train
    • Powershift Transmission
    • Front Axle and Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast and Forks
    • Service Data
    • News
  • 99789-84122 – Chassis Service Manual
    • Foreword
    • Glossary
    • — Maintenance
    • 3 — LPG Fuel System
    • Fuel System Description
    • LPG Symptom Diagnostics
    • Dst Installation Instructions
    • Electrical Flow Diagram
    • Electrical System Schematic
    • On-Vehicle Service Wire Harness Repair
    • — DIAGNOSTIC TROUBLE CODES (DTCs)
    • Engine Control Module
    • Mixer and Throttle Body Assembly (New)
    • ALTITUDE vs. BAROMETRIC PRESSURE
  • 99789-84111 – Chassis Service Manual
    • Foreword
    • General Information
    • Maintenance
    • LPG Fuel System Operation
    • Gasoline Fuel System Operation
    • LP Fuel System Diagnostics
    • Gasoline Fuel System Diagnostics
    • Symptom Diagnosis
    • Schematics
    • Diagnostic Trouble Codes
    • Fuel System
  • 99789-84133 – Chassis Service Manual
    • Foreword
    • General Information
    • Maintenance
    • LPG Fuel System
    • Fuel System Diagnosis
    • Diagnostic Scan Tool (DST)
    • Engine Wire Harness Repair
    • Diagnostic Trouble Codes
    • Definitions

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