Hyster N25XMDR3 Manual
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Hyster N25XMDR3 Manual

Hyster N25XMDR3 Manual

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Summary of Contents for Hyster N25XMDR3

  • 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 • Use the correct tools for the job. • Keep the tools clean and in good 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 other fastening devices are removed before using force to remove parts.

  • Page 4: Table Of Contents

    Hydraulic Steering Motor ..........................Description..............................Remove............................... Install ................................. Caster Wheels ..............................Description..............................Caster Replacement ..........................Wheel Replacement........................... Axle Weldment............................... Remove............................... Install ................................. Check and Adjust............................Remove Air From Steering System ......................Check Steering Chain ..........................Check Articulation Stop Adjustment ....................... ©2002 HYSTER COMPANY...
  • Page 5 Thanks very much for your reading, Want to get more 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 please write to me: admin@servicemanualperfect.com...
  • Page 6 Table of Contents Steering System TABLE OF CONTENTS (Continued) Steering Pressure ............................Troubleshooting..............................This section is for the following models: N25XMDR3, N30-40XMR3 [C470]; N50XMA3 [C471]; N30XMDR3, N45XMR3 [G138]; N30XMXDR3, N45XMXR3 [B264]...

  • Page 7: General

    1600 SRM 974 Description General This manual describes the disassembly and assem- motor assembly to turn the MDU in the desired bly of the steering system for repairs. There is a de- direction. scription for each part of the steering system. The steering system rotates the master drive unit (MDU) WARNING to steer the lift truck.

  • Page 8: Steering Control Unit Assembly

    Steering Control Unit 1600 SRM 974 Steering Control Unit Assembly DESCRIPTION the caster wheels to prevent movement of the lift truck. Put a block on each side (front and The steering disk is attached to the shaft of the SCU. back) of the load wheels to prevent movement This shaft engages the spool of the SCU.

  • Page 9: Remove

    1600 SRM 974 Steering Control Unit When the steering disk stops moving, the metering action in the metering section also stops. The neu- tral position springs return the sleeve to the neutral position. When this action occurs, the pressure stays in the steering motor to keep the steer tire in posi- tion.

  • Page 10: Disassemble (After May 2002)

    Steering Control Unit 1600 SRM 974 1. CAPSCREW 5. THRUST RACE 9. GEROTOR 2. MOUNTING CAP 6. THRUST BEARING 10. HOUSING 3. DUST SEAL 7. DRIVE PIN 11. O-RING 4. PRESSURE SEAL 8. O-RING 12. TANK PLUG Figure 3. Steering Control Unit (Before May 2002) Disassemble (After May 2002) 4.
  • Page 11 1600 SRM 974 Steering Control Unit 1. DUST SEAL 9. SPOOL 17. DRIVE SHAFT 2. HOUSING 10. SLEEVE 18. SPACER 3. O-RING 11. DRIVE PIN 19. GEROTOR 4. QUAD SEAL 12. PLUG 20. O-RING 5. THRUST RACE 13. O-RING 21. SEAL RING 6.

  • Page 12: Clean

    Steering Control Unit 1600 SRM 974 1. SPOOL AND SLEEVE 3. SPOOL 6. DRIVE PIN ASSEMBLY 4. SLEEVE 7. THRUST BEARING 2. SPRING RETAINING RING 5. CENTERING SPRINGS 8. THRUST RACE Figure 5. Remove Spool and Sleeve 10. Remove thrust races and thrust bearing. CAUTION 11.

  • Page 13: Reassemble (Before May 2002)

    1600 SRM 974 Steering Control Unit sure all surfaces are free of scratches and sharp 4. Fit the retaining ring over the centering springs. edges. 5. Apply a light coating of clean hydraulic fluid to the spool and slide it into the sleeve. Make sure Reassemble (Before May 2002) the centering springs fit into the notches in the NOTE: Refer to Figure 3 for the following instruc-...

  • Page 14: Install

    Steering Pump and Motor Assembly 1600 SRM 974 INSTALL 19. Install the end cap and align the scribe (mark) you made earlier on the wear plate, gerotor, end cap, and housing. WARNING If the hoses are incorrectly connected, the 20. Install capscrews and tighten in a crisscross pat- steering disk can move rapidly with high force tern to 16 - 18 N•m (140 - 160 lbf in) as shown in when the truck is started.

  • Page 15: Pump And Motor

    1600 SRM 974 Steering Pump and Motor Assembly PUMP AND MOTOR correctly. Remove the capscrews and lockwash- ers retaining the pump to the motor. Remove and Disassemble WARNING Make sure the brake pedal is released (in the UP position) and the brake is applied. blocks on both sides (front and back) of the drive/steer tire and the caster wheels.

  • Page 16: Pump

    Steering Pump and Motor Assembly 1600 SRM 974 PUMP WARNING If the hoses are incorrectly connected, the Remove disk will move rapidly with high force when 1. Disconnect the battery. Block the drive tire, the truck is started. Do not place the hands caster wheels, and load wheels on both sides to near the disk when starting the lift truck after prevent movement of the lift truck.

  • Page 17: Install

    1600 SRM 974 Steering Pump and Motor Assembly Install 2. Use a pair of snap ring pliers and remove the snap ring retaining the shaft seal to the drive 1. Align the splined shaft of the pump with the mo- gear shaft.

  • Page 18: Assemble

    Axle Assembly Repair 1600 SRM 974 Assemble WARNING 1. Apply clean hydraulic oil to all the pump compo- Be careful when removing or installing snap nents before assembly. rings. These snap rings can come loose dur- ing removal or installation with enough force 2.

  • Page 19: Install

    1600 SRM 974 Axle Assembly Repair Add brake fluid to the reservoir with the recom- WARNING mended brake fluid. Remove the air from the The traction motor is heavy. Be sure that all brake system. See section Brake System 1800 lifting devices (hoists, cables, chains, slings, SRM 976 and 1800 SRM 983 to remove the air etc.) are suitable and of adequate capacity to...

  • Page 20: Install

    Axle Assembly Repair 1600 SRM 974 7. Make marks on the steering bearing housing and install the two capscrews and lockwashers that the axle weldment for alignment during installa- hold the steer motor to the frame. tion. 6. Remove the fill plug and fill the MDU using the 8.

  • Page 21: Remove

    1600 SRM 974 Axle Assembly Repair lift truck. Put a block on each side (front and back) of the load wheels to prevent movement of the lift truck. See the Operating Manual or Periodic Maintenance 8000 SRM 970. 1. If the truck has a steering chain, use the steering system to move the master drive unit for access to the chain anchor of the steering chain.

This manual is also suitable for:

N30xmr3N40xmr3N50xma3N30xmdr3N45xmr3N30xmxdr3 ... Show all

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