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Hyster MAST N50F User Manual

Hyster MAST N50F
52 pages
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MAST
REPAIR
N50FA; N40-
45FR [D138]; N30XMH,
N30XMH
2
[C2
10]; N25XMDR3, N30-
40XMR3 [C47
0]; N50XMA3 [C471];
N30XMDR3,
N45XMR3 [G138]; N30XMXDR3,
N45XMXR3 [
B264]; W30-40ZA [B453];
W20-30ZR
[B455]; W25-30-40ZC [B454];
W25-30ZA
2
[B495]; V30ZMD [D210/E210]
P
ART NO. 897447 4000 SRM 482

Table of Contents

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Hyster MAST N50F Specifications

General IconGeneral
ModelN50F
CategoryForklifts
Load Capacity5000 lbs
Mast TypeTriplex
Power SourceElectric
WeightVaries with configuration
Tire TypeCushion
Battery Voltage36V / 48V

Summary

General Information and Safety

General Mast Information

Overview of mast assembly, its purpose, and general notes for maintenance procedures.

Safety Procedures for Mast Work

Essential safety guidelines and precautions for working on or near the mast assembly.

Mast Components and Assemblies

Load Backrest, Carriage, and Forks

Procedures for load backrest, carriage, and fork removal, installation, and adjustment.

Load Rollers and Wear Plugs

Steps to remove, install, and adjust load rollers and wear plugs on the mast.

Side and Thrust Roller Adjustments

Procedures for adjusting carriage side and thrust rollers for proper alignment.

Fork Replacement

Instructions for safely replacing mast forks on the carriage.

Two-Stage Mast Assembly Service

Two-Stage Mast Removal and Installation

Procedures for removing and installing the complete two-stage mast assembly.

Two-Stage Lift Cylinder Service

Removing, installing, and servicing dual and single lift cylinders for two-stage masts.

Two-Stage Inner Mast Assembly Service

Procedures for removing and installing the inner mast assembly on a two-stage mast.

Two-Stage Lift Chain and Sheave Service

Servicing lift chains and sheaves for two-stage masts.

Three-Stage Mast Assembly Service

Three-Stage Mast Removal and Installation

Procedures for removing and installing the complete three-stage mast assembly.

Three-Stage Lift Cylinder Service

Removing and installing free-lift and main lift cylinders on three-stage masts.

Three-Stage Inner/Intermediate Mast Assembly Service

Procedures for removing and installing inner and intermediate mast assemblies.

Three-Stage Lift Chain Service

Removing, installing, and adjusting lift chains on three-stage masts.

System Checks

Hydraulic System Leaks Check

Methods for checking and identifying hydraulic system leaks.

Mast Operation Check

Verifying correct mast operation and component movement.

Lift Chains Check

Inspecting lift chains for wear, damage, and correct length.

Adjustments and Troubleshooting

Mast Adjustments

Adjusting mast wear plugs, chains, and wear strips for proper alignment and tension.

Carriage Adjustments

Adjusting carriage wear plugs, side rollers, and thrust rollers for proper alignment.

Troubleshooting Common Issues

Diagnosing and resolving lift cylinder and mast movement problems.

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