Hyster A477 (T7Z) Tow Tractor Service Manual

Name: Hyster A477 (T7Z) Tow Tractor Service Manual
Brand: MidWestTech
SKU: 1524194-A477
Price: 69.61 USD
Availability: InStock

377 pages · Publication 1524194-A477

$69.61

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Models: A477 (T7Z)
Manual type: Service Manual
Pages: 377
Publication: 1524194-A477
Condition: Brand new

Hyster A477 (T7Z) Tow Tractor Service Manual, publication 1524194-A477

What's inside

From the manual's own table of contents: 106 sections, 287 entries. See sample pages (PDF, 261 KB)

Search the contents

DC Motor Maintenance

Safety Precautions Maintenance and Repair

General

Brush and Commutator Inspection4 topics

Hydraulic Pump Motor and Traction Motor
Steering Pump Motor
Normal Commutator Surface
Commutator Problems

Brush Replacement

Stoning the Commutator

Motors Repair6 topics

Disassemble
- Traction Motor and Hydraulic Pump Motor
- Steering Pump Motor
Assemble
- Traction Motor and Hydraulic Pump Motor
- Steering Pump Motor

Brush Alignment, Traction and Hydraulic Motors

Tests for Damaged Field and Armature7 topics

Test for an Open Circuit in One Armature Winding
Test for Short Circuit in One Armature Winding
Test for Short Circuit to Armature Shaft
Test for Open Circuit in Field Coil
Test for Short Circuit in Field Coil
Test for Short Circuit Between Field and Motor Case
Brush Holder Test

Troubleshooting

Table 1. Normal Commutator Surfaces

Table 2. Commutator Problems

Table 3. Brush Wear Replacement Guide

Curtis 1297 Transistor Motor Controller1 topic

Safety Precautions

Description4 topics

Curtis PMC 1297 Transistor Motor Controller
Principles of Operation
Install
Programming Controller

Programmer Handset4 topics

Description/Features
Scroll Display Keys
Change Value Keys
More Info Key

Operation9 topics

Connecting Handset to Traction Motor Controller
Disconnecting Handset From Traction Motor Controller
Programmer Self-Test
Menu Selections
- Program Menu
- Test Menu
- Diagnostics Menu
- Diagnostic History
- Special Program Menu

Programming Traction Motor Controller - 1307 Handset

Programmer Handset13 topics

Menu Navigation Key
- Data Increase/Decrease Key
- Bookmark Keys
Operation
- Connecting Handset to Traction Motor Controller
- Disconnecting the Handset From the Traction Motor Controller
Main Menu Selections
- Program Menu
- Monitor Menu
- Faults Menu
- Functions menu
- Information Menu
- Programmer Setup Menu

Programming the Traction Motor Controller - 1311 Handset

Parameters7 topics

Adjusting Parameters
- Top Speed
- Acceleration
- Neutral Braking
- Plug Braking
- Coast Braking (B60Z/B80Z Only)
- Empty Volts

Battery Discharge Indicator (BDI)/Hourmeter

LED Fault Codes

Control Card Functional Test

Show all 106 sections

Table 1. Program Menu 1

Table 2. Program Menu 1

Table 3. Program Menu 2

Table 4. Program Menu 2

Table 5. Test Menu

Table 6. Special Program Menu

Table 7. Status LED Fault Codes

Brakes

Special Precautions

Brake Check1 topic

Hold On Grade Test

Brake Coil Check

Brake Assembly Repair4 topics

Remove
- Install
- Remove
- Install

Brake Assembly Adjustment3 topics

Air Gap, Adjust
Torque Nut, Adjust
- Adjust

Table 1. Brake Coil Resistance

Table 2. Adjustment Specifications

Walkie Hydraulic Systems

Description of Operation6 topics

Lifting a Load
Lowering a Load
Hydraulic Lines
Hydraulic Oil
Clean
Sound Level

Hydraulic Reservoir1 topic

Description

Drive Unit Compartment Covers4 topics

Remove
- Install
- Remove
- Install

Lift Pump and Motor10 topics

General
Remove
- Lift Pump and Motor Assembly
- Remove Reservoir
- Remove Pump Motor
- Disassemble Pump
- Assemble Pump
- Install Pump Motor
- Install Reservoir to Pump
- Lift Pump and Motor Assembly

Valve Repair5 topics

Lowering Valve
- Remove
- Install
Relief Valve
Check Valve

Lift Cylinder

Relief Valve Adjustment5 topics

Relief Valve Pressure Check
Adjust Relief Valve Pressure
Lift Assemblies
Lift Cylinders
Lift Pump and Motor Assembly

Table 1. Hydraulic Reservoir

Table 2. Relief Valve Settings

Lifting Mechanism

Load Wheel

Caster Wheels3 topics

Caster Shim Adjustment
Caster Replacement
Caster Lubrication

Rear Link and Load Wheel Assembly

Pull Rod3 topics

End Replacement
Adjust
Rear Fork Adjustment

Rocker Arm

Upper Link

Frame2 topics

Features
Covers

Frame Separation and Assembly1 topic

Frame Separation

Painting Instructions

Label Replacement

Battery Compartment

Table 1. Wheel Base and Fork Length

Table 2. Wheel Base and Fork Length

Table 3. Wheel Base and Fork Length

Table 4. Wheel Base and Fork Length

Steering Mechanism

Introduction1 topic

Description of Operation

Control Handle

Support Assembly1 topic

Repair

Control Handle and Support Assembly (Complete)

Periodic Maintenance8 topics

Drive Unit Compartment Covers
- Remove
- Install
How to Move a Disabled Truck
- How to Tow the Truck
How to Put the Truck on Blocks
- How to Raise Drive/Steer Tire
- How to Raise the Load Wheels

Maintenance Schedule

Maintenance Procedures Every 8 Hours or Daily15 topics

Checks With the Key Switch OFF
- Safety Labels
- Battery
- Frame
- Load Wheels, Drive Tire, and Casters
- Lift Linkage ( C60Z and C80Z )
- Coupler ( T5Z and T7Z )
- Steering Operation
Checks With the Key Switch ON
- Control Handle
- Gauges
- Fuses
- High Speed Switch
- Hydraulic (C60Z and C80Z)
- Hand Brake

Maintenance Procedures Every 350 Hours or Every 2 Months8 topics

Battery Equalizing Charge
Coupler Lubrication (T5Z and T7Z)
Control Handle Pivot
Brakes
Drive Tire and Wheel
Drive Unit Assembly
- Check Oil Level
Motor Brushes

Maintenance Procedures Every 2000 Hours or Yearly10 topics

Load Wheel Bearings (T5Z and T7Z)
- Remove
- Inspect
- Install
Contactor
- Inspecting the Contacts
Hydraulic System (C60Z and C80Z)
- Changing the Hydraulic Oil
Master Drive Unit
- Drive Unit Gear Oil

Welding Repairs

Battery Maintenance7 topics

How to Charge Battery
How to Change Battery
- Adjusting the Battery Spacers
- Changing Battery With Rollers
- Remove Battery Using Overhead Crane
- Install Battery Using Overhead Crane
Battery Specifications

Table 1. Maintenance Schedule

Table 2. Specific Gravity Corrections

Table 3. Battery Specifications (T5Z)

Table 4. Battery Specifications (T7Z)

Table 5. Battery Specifications (C60Z)

Table 6. Battery Specifications (C80Z)

Capacities and Specifications

Hydraulic System (C60-80Z and C60-80Z AC )

Hydraulic Oils

Master Drive Unit Specifications

Gear Oils

Grease

Tire Specifications

Torque Specifications4 topics

Brake
Steering
Electrical
Coupler ( T5Z, T5Z AC, T7Z, and T7Z AC )

Travel Speeds

Truck Weight

Battery Specifications and Adjustments

Diagrams

Electrical System

Electrical System Checks

Repairs14 topics

Controller, Replace
- Remove
- Install
Control Handle Module
- Check
- Remove
- Install
Contactor, Replace
- Remove
- Install
Contactor Coil, Check
Contactor Tips, Replace
- Remove
- Install

Key Switch

Parking Brake Switch

Battery Indicator/Hourmeter Display

Fuses

High Speed Switch Assembly9 topics

Hand-brake
- Upper Cover
- Handle Shaft
- Lower Cover
- Directional/Throttle Switch
- Lower Cover
- Handle Shaft
- Upper Cover
- Hand-brake

Drive Motor

Lift Pump Motor (C60Z and C80Z Only)1 topic

General Troubleshooting

Table 1. Input Connector (J4) Voltages

Inside this manual

Real pages from this service manual (377 pages). Open the sample pages (PDF, 260 KB)

Sample pages from the Hyster A477 (T7Z) Tow Tractor Service Manual: Troubleshooting, Specifications, Diagram

Troubleshooting, page 103: LED Fault Codes
Specifications, page 133: Two different MDU designs are used:
Diagram, page 338: Figure 9. Schematic / Wiring Diagrams (Sheet 5 of 8)

This is a service manual

Here's how it compares to the other manual types.

This manual

Service manual

Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.

Operator's manual

Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.

Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.

What it's used for

Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.

Service shops and owner/operators who repair their own equipment

Identifying correct parts and seeing how assemblies come apart and go back together

Keeping equipment running with less downtime

Factory manual, 377 pages

Quantity one is the manual described above.

Fast free USA shipping

Ships in 1 business day.

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Binder not included

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Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).