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Genie GTH-842 Service Manual

Genie GTH-842
196 pages
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Parts Manual
GTH-844
GTH-842
GTH-644
after GTH05-12345
after GTH05-12345
after GTH05-12345
Serial Number Range
Service Manual
GTH-636
GTH-644
GTH-842
Part No. 97487
Rev D
June 2007
from GTH0806A-8418
from GTH0806B-6958
Serial Number Range
from GTH0606A-8418 to
GTH0610A-13771
from GTH0606A-8418
from GTH0606B-6271
GTH-844
GTH-1048
GTH-1056
GTH-844
from GTH1006A-8418 to
GTH-1007A-11442
from GTH0806A-8418 to
GTH0812-16605
from GTH0806B-6956
from GTH1006A-8418 to
GTH1007A-11442

Table of Contents

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Genie GTH-842 Specifications

General IconGeneral
BrandGenie
ModelGTH-842
CategoryFront End Loaders
LanguageEnglish

Summary

Serial Number Range

Introduction

Important Information

Read and understand safety rules and operating instructions before maintenance.

Technical Publications

Information on product accuracy and improvement suggestions.

Contact Us

Contact information for Genie Industries.

Serial Number Legend

Safety Rules

Do Not Perform Maintenance Unless

Conditions required for performing maintenance procedures.

Personal Safety

Awareness of hazards and personal safety priorities when working on machines.

Workplace Safety

Guidelines for maintaining a safe work environment and equipment.

Section 1 Safety Rules

General Safety Rules

Comprehensive safety guidelines for machine operation and maintenance.

Section 2 Specifications

Machine Specifications

Details on fluid capacities for various Genie models.

Tires and Wheels

Specifications for tire sizes, ply rating, and wheel dimensions.

Performance Specifications

Data on drive speed, draw bar pull, and boom function speeds.

Hydraulic Specifications

Information on hydraulic oil types, viscosity, and optional fluids.

Manifold Component Specifications

Torque values for manifold fittings and valve coil resistance.

John Deere 4045TF270 Engine

Specifications for the John Deere 4045TF270 engine model.

Deutz BF4 2012 Engine

Specifications for the Deutz BF4 2012 engine model.

Perkins 1104C-44T Engine

Specifications for the Perkins 1104C-44T engine model.

Dana T12000 Transmission

Details on the Dana T12000 transmission type, speeds, and lubrication.

Hydraulic Hose and Fitting Torque Specifications

Torque values for JIC 37° fittings and hose connections.

Section 3 Scheduled Maintenance Procedures

Checklist A Procedures

Maintenance tasks categorized under Checklist A for various intervals.

Checklist B Procedures

Maintenance tasks categorized under Checklist B for various intervals.

Checklist C Procedures

Maintenance tasks categorized under Checklist C for various intervals.

Checklist D Procedures

Maintenance tasks categorized under Checklist D for various intervals.

Checklist E Procedures

Maintenance tasks categorized under Checklist E for various intervals.

Section 4 Repair Procedures

Boom Components

Procedures for repairing various boom components like cylinders and pins.

Operator's Compartment

Procedures for removing and servicing the operator's compartment components.

Engines

Information on repairing specific engine models used in the machines.

Manifolds

Identification and service information for various hydraulic manifolds.

Axle Components

Procedures for removing and servicing axle components.

Outriggers

Procedures for removing and servicing outrigger components.

Section 5 Troubleshooting

Introduction to Troubleshooting

Overview of the troubleshooting section and general repair process.

Engine Fault Codes - GTH-1048 and GTH-1056

Guide to retrieving and interpreting engine fault codes for specific models.

Hydraulic Pump Troubleshooting

Troubleshooting steps for hydraulic pump issues like laboring engine.

Boom Functions Troubleshooting

Troubleshooting steps for slow or non-functional boom movements.

Drive Functions Troubleshooting

Troubleshooting steps for machine not driving or back-up alarm issues.

Steer Functions Troubleshooting

Troubleshooting steps for steering issues like wheel drift or cylinder problems.

Brake Functions Troubleshooting

Troubleshooting steps for service and parking brake issues.

Sway Functions Troubleshooting

Troubleshooting steps for sway function issues, including limit switch checks.

Section 6 Schematics

Introduction to Schematics

Overview of the schematics section, covering electrical and hydraulic diagrams.

Electrical Component Legends

Legends for electrical components and limit switches used in schematics.

Electrical Schematic - GTH-636 (John Deere Power)

Electrical schematic for GTH-636 models with John Deere power.

Electrical Schematic - GTH-644, GTH-842, GTH-844 (Perkins Power)

Electrical schematic for GTH-644/842/844 with Perkins power.

Hydraulic Schematic - GTH-636 (Dual Joysticks)

Hydraulic schematic for GTH-636 with dual joysticks control.

Hydraulic Schematic - GTH-644, GTH-842, GTH-844 (Single Joystick)

Hydraulic schematic for GTH-644/842/844 with single joystick control.

Hydraulic Schematic - GTH-1048, GTH-1056 (Dual Joysticks)

Hydraulic schematic for GTH-1048/1056 with dual joysticks control.

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