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Yale MPB040E

Yale MPB040E
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Maintenance
WALKIE HYDR
AULIC
SYSTEMS
MPB040E [B
827];
MPW045-E [
B802];
MPW050-E
[C802]
PART NO. 524154894 1900 YRM 1018

Table of Contents

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Yale MPB040E Specifications

General IconGeneral
BrandYale
ModelMPB040E
CategoryWater Pump
LanguageEnglish

Summary

WALKIE HYDRAULIC SYSTEMS

Safety Precautions Maintenance and Repair

Outlines essential safety guidelines and procedures for maintenance and repair tasks.

General Hydraulic System Overview

Describes the overall hydraulic system and its main components.

Hydraulic System Operation

Explains the functions of lifting, lowering, hydraulic lines, oil, and sound levels.

Hydraulic Unit: Removal, Installation, and Service Precautions

Details procedures for removing, installing, and servicing the hydraulic unit.

Hydraulic Pump: Removal and Installation

Covers the removal and installation of the hydraulic pump.

Hydraulic Pump Reservoir: Removal and Installation

Provides instructions for removing and installing the hydraulic pump reservoir.

Hydraulic Cylinder: Removal, Repacking, and Installation

Covers removal, repacking, and installation of the hydraulic cylinder.

Relief Valve: Pressure Check and Adjustment

Details the process for checking and adjusting the relief valve pressure.

Hydraulic System: Troubleshooting Common Issues

Addresses common problems with lift assemblies, cylinders, and pumps.

ELECTRICAL SYSTEM

Electrical System: General Information and Components

Overview of electrical system components and procedures for specific truck models.

Electrical System: Description of Operation

Explains the function of control handles, switches, motor controllers, and motors.

Electrical System: Special Precautions and Safety

Critical safety warnings and procedures before working on the electrical system.

Lift Truck Operation: Moving a Disabled Unit

Procedures for releasing the electric brake and moving a disabled truck.

Electrical System: Diagnostic Checks

Guidelines and steps for performing electrical system diagnostic checks.

Electrical System: Component Repairs (Controller, Contactor, Key Switch)

Covers replacement procedures for controllers, contactors, and key switches.

Battery IndicatorHourmeter Display: Service Procedures

Instructions for removing and installing the battery indicator/hourmeter display.

Fuses: Identification and Replacement

Details the location, type, and replacement of fuses.

Control Handle System: Service Procedures

Covers proximity switches, handle disassembly, card servicing, configuration, and calibration.

Control Handle: Switch Service

Instructions for removing and installing ON/OFF and proportional switches.

DC Motors: Traction and Lift Pump Motor Service

Procedures for disassembling, assembling, and repairing traction and lift pump motors.

Lift Link Proximity Sensor: Service Procedures

Covers checking, repairing, and adjusting the lift link proximity sensor.

Battery Chargers: Service and Troubleshooting

Details operation, troubleshooting, and mode selection for various battery chargers.

Battery Pack: Troubleshooting and Maintenance

Guidelines for battery pack maintenance, specific gravity checks, and troubleshooting.

Lift Truck: General Troubleshooting

Addresses common lift truck problems like no movement or control issues.

LIFTING MECHANISM

Lifting Mechanism: General Overview

Provides a general overview of the lifting mechanism's operation.

Load Wheel: Removal and Installation

Instructions for removing and installing the load wheel.

Rear Link and Load Wheel: Service Procedures

Covers removal and installation of the rear link and load wheel assembly.

Compression Rod: Removal and Installation

Details the removal and installation procedures for the compression rod.

Lower Link: Removal and Installation

Instructions for removing and installing the lower link.

Upper Link: Removal and Installation

Covers the removal and installation of the upper link.

Caster Wheels: Removal, Installation, and Replacement

Instructions for removing, installing, and replacing caster wheels.

DC MOTOR MAINTENANCE

DC Motors: General Information

Provides an overview of DC motors, including inspection and maintenance principles.

DC Motors: Brush and Commutator Inspection

Details inspection procedures for brushes and commutators on various motors.

DC Motors: Brush Replacement

Covers brush wear limits and procedures for replacing motor brushes.

DC Motors: Commutator Stoning Procedure

Instructions for resurfacing the commutator using a brush seater stone.

DC Motors: Repair Procedures (Disassembly, Assembly)

Covers disassembly, assembly, and repair of traction, hydraulic pump, and steering motors.

DC Motors: Field and Armature Damage Tests

Outlines tests for open circuits, short circuits, and damage in motor windings.

DC Motors: Brush Holder and Field Coil Tests

Procedures for testing brush holders and field coils.

DC Motors: Troubleshooting Common Issues

Addresses common motor problems related to brushes, commutators, and overheating.