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Hyster W20-30ZR User Manual

Hyster W20-30ZR
48 pages
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WALKIE HIGH L
IFT
HYDRAULIC S
YSTEM
W30-40ZA [B
453];
W20-30ZR [B
455];
W25-30-40Z
C[B454]
PART NO. 1524251 2000 SRM 1025

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Hyster W20-30ZR Specifications

General IconGeneral
BrandHyster
ModelW20-30ZR
CategoryLifting Systems
LanguageEnglish

Summary

Safety Precautions for Maintenance and Repair

General Safety Guidelines

Essential safety rules for lifting, tools, electrical systems, and hazard symbols.

Electrical System Safety Precautions

Details precautions for disconnecting the battery and discharging capacitors before service.

General Hydraulic System Description

Special Precautions and System Information

Hydraulic Oil Management

Discusses the function of hydraulic oil, its importance, and checking the oil level.

Maintaining System Cleanliness

Outlines steps for maintaining cleanliness of the hydraulic system and components.

Hydraulic Reservoir and Manual Lowering

Manual Fork Lowering Procedure

Provides instructions and warnings for safely performing manual lowering of the forks.

Lift Pump and Motor Repair

General Information and Removal Overview

Introduces the hydraulic pump and motor assembly and steps for its removal.

Pump Motor and Pump Disassembly

Instructions for removing the pump motor and disassembling the pump.

Pump Assembly and Motor Installation

Steps for reassembling the hydraulic pump and installing the pump motor.

Reservoir Attachment and Assembly Installation

Instructions for attaching the reservoir and installing the complete lift pump and motor assembly.

Valve Repair - Proportional and Directional Valves

Valve Repair - Directional and Lift Valves

Valve Repair - Lift and Counterbalance Valves

Valve Repair - Counterbalance and Relief Valves

Valve Repair - Relief, Check, and Pilot Operated Valves

Valve Repair - Specific Model Variations

Valve Repair - Specific Model Variations (Cont.)

Valve Repair - Selector Valves

Valve Repair - Selector Valves Model Specifics

Relief Valve Adjustment

Relief Valve Adjustment Procedure

Detailed steps for adjusting the relief valve pressure for correct system operation.

Troubleshooting and System Bleeding

Troubleshooting Hydraulic System Issues

Identifies common hydraulic problems, their causes, and recommended repair actions.

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