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Hyster MAST N45XMXR3, Manual

The Hyster MAST N45XMXR3 is a heavy-duty forklift designed for efficient material handling. To get the most out of this powerful machine, make sure to download the free user manual from manualshive.com. This manual provides important information on how to operate and maintain your forklift properly.

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Table of Contents

Steering System

TABLE OF CONTENTS (Continued)

Steering Pressure ......................................................................................................................................

20

Troubleshooting..................................................................................................................................................

22

This section is for the following models:

N25XMDR3, N30-40XMR3 [C470];

N50XMA3 [C471];

N30XMDR3, N45XMR3 [G138];

N30XMXDR3, N45XMXR3 [B264]

ii

Summary of Contents for MAST N45XMXR3

Page 1: ...Hyster G138 N30XMDR3 N45XMR3 Forklift...

Page 2: ...67 5 1 6 67 0 N25XMDR3 N30 40XMR3 C470 N50XMA3 C471 N30XMDR3 N45XMR3 G138 N30XMXDR3 N45XMXR3 B264 PART NO 1503624 1600 SRM 974...

Page 3: ...condition Always use HYSTER APPROVED parts when making repairs Replacement parts must meet or exceed the specifications of the original equipment manufacturer Make sure all nuts bolts snap rings and...

Page 4: ...Motor 9 Remove and Disassemble 9 Assemble and Install 9 Pump 10 Remove 10 Install 11 Disassemble 11 Assemble 12 Axle Assembly Repair 12 General 12 Traction Motor 12 Description 12 Remove 12 Install 13...

Page 5: ...ore information Please click here Then get the complete manual NOTE If there is no response to click on the link above please download the PDF document first and then click on it Have any questions pl...

Page 6: ...ts Steering System TABLE OF CONTENTS Continued Steering Pressure 20 Troubleshooting 22 This section is for the following models N25XMDR3 N30 40XMR3 C470 N50XMA3 C471 N30XMDR3 N45XMR3 G138 N30XMXDR3 N4...

Page 7: ...steering system draws hydraulic oil from the same hydraulic tank used by the mast and reach as sembly The hydraulic oil is directed to the SCU by the power steering pump This gear pump has a pri orit...

Page 8: ...on between the steer ing disk and the steering axle The steering is con trolled through a hydraulic circuit If the steering pump fails to operate a check valve permits the Steering Control Unit SCU to...

Page 9: ...repairs always protect machined sur faces NOTE Before disassembly drain the oil plug the ports and thoroughly clean the exterior of the SCU Put the control unit in a vise with soft jaws See Figure 2...

Page 10: ...o the different parts to allow oil to circulate through the SCU NOTE Refer to Figure 4 for the following instruc tions 2 Remove the capscrews that hold down the end cap and remove the end cap 3 Remove...

Page 11: ...6 THRUST BEARING 7 SPRING RETAINING RING 8 CENTERING SPRINGS 9 SPOOL 10 SLEEVE 11 DRIVE PIN 12 PLUG 13 O RING 14 CHECK BALL 15 CHECK RELIEF VALVE 16 WEAR PLATE 17 DRIVE SHAFT 18 SPACER 19 GEROTOR 20...

Page 12: ...pry the dust seal from the housing 13 Remove the drive pin 14 Carefully slide the spool out of the sleeve The springs and retaining ring will stay with the spool as it s removed CAUTION The centering...

Page 13: ...ove the sleeve and bearing race 2 Lubricate and install the dust seal 3 Install the centering springs in the spool It is best to install the two flat pieces first Next in stall the curved pieces three...

Page 14: ...r Steering Pump and Motor Assembly DESCRIPTION This pump and motor also supply oil for the aux iliary hydraulic functions The steering pump and motor assembly are fastened to the lift truck frame The...

Page 15: ...70 and DC Motor Repair 620 SRM 294 for additional information for inspection of the brushes and commutator 6 If the motor must be disassembled for cleaning or repairs remove the pump so a new oil seal...

Page 16: ...he blocks from both sides of the drive steer tire caster wheels and the load wheels PUMP Remove 1 Disconnect the battery Block the drive tire caster wheels and load wheels on both sides to prevent mov...

Page 17: ...seal 3 Mark the flange pump body and load sensing valve assembly for orientation during assembly 4 Remove the four capscrews from the pump body Separate the mounting flange and the end cover from the...

Page 18: ...ng motor and the caster The trac tion motor fastens to the top of the MDU near the left end of the axle weldment The MDU is fastened to the bottom of the weldment and rotates on a large bearing The tr...

Page 19: ...luid that is on a painted sur face 6 Remove the cap from the hose assembly Con nect the hose assembly to the slave cylinder Add brake fluid to the reservoir with the recom mended brake fluid Remove th...

Page 20: ...screws have been initially tightened tighten the capscrews to 78 N m 58 lbf ft NOTE If the chain anchor came off the MDU hous ing install the chain anchor at the mark made dur ing removal 4 If the tru...

Page 21: ...in anchor of the steering chain 2 Disconnect the battery Open the drive unit compartment cover Block the drive steer tires caster wheels and load wheels on both sides to prevent movement of the lift t...

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