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Summary of Contents for Hyster MAST H16XM9-12
- Page 1 MAST H16XM9-12, H18XM-7.5-9 (H360-36HD, H360-48HD) [A238] [B238] PART NO. 4097319 4000 SRM 1664...
- Page 2 The Service Manuals are updated on a regular basis, but may not reflect recent design changes to the ® product. Updated technical service information may be available from your local authorized Hyster dealer. Service Manuals provide general guidelines for maintenance and service and are intended for use by trained and experienced technicians.
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Page 3: Table Of Contents
Install ................................. 21 Integrated DFSSFP Forks ..........................21 Remove ............................... 21 Clean and Inspect ............................22 Install ................................. 23 Fork Hanger for Quick Disconnect Forks ......................23 Remove ................................23 Clean and Inspect ............................23 Install ................................23 ©2017 HYSTER COMPANY... - Page 4 Table of Contents TABLE OF CONTENTS (Continued) Carriage ................................24 Remove ................................24 Install ................................25 Carriage Bearing Blocks ..........................26 Remove ............................... 26 Install ................................. 26 Carriage Load Rollers ........................... 27 Remove ............................... 27 Install ................................. 27 Apron Wear Pads (DFSSFP Carriage) ......................28 Replace ...............................
- Page 5 Table of Contents TABLE OF CONTENTS (Continued) Remove And Disassemble ......................... 45 Assemble And Install ..........................46 Tilt Cylinder ..............................46 Remove ................................46 Disassemble ..............................47 Clean ................................47 Inspect ................................48 Assemble ................................ 48 Install ................................49 Mast Assembly ..............................49 Remove ................................
- Page 6 Table of Contents TABLE OF CONTENTS (Continued) Initial Basic Check ............................71 Electrical Supply ............................72 Hydraulic Supply ............................72 Fault Code ..............................72 No Lowering Possible with Engine OFF ......................73 Incorrect Movement ............................73 Irregular (shaking) Movement or Slight Carriage Movement When Starting Engine ......73 Unequal Movement of Left And Right Tilt Cylinder ...................73 Insufficient Lifting Speed ..........................73 Insufficient Lifting Capacity .........................73...
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Page 7: General
4000 SRM 1664 General General This manual contains the description and repair components of the mast include the inner and outer procedures for the two stage mast and its mast, the tilt and lift cylinders, the carriage, and components on the A238 and B238 truck series. The the forks. -
Page 8: Tilt Control (For A238 And B238 Until Mid-2017)
Description And Operation 4000 SRM 1664 Extruded oil from the rod side has to pass the pilot Tilt Control (for A238 and B238 until operated check valve that opens if oil pressure at Mid-2017) the piston side is at least 22% of the oil pressure at A 14 MPa (2031 psi) relief valve is installed in the the rod side of the tilt cylinders. -
Page 9: Lifting
4000 SRM 1664 Description And Operation Lifting speed and lowering speed are controlled by LIFTING the moved position of the lift spool in the main The lift cylinders are supported at the base of the control valve. Maximum lifting speed is determined outer mast. -
Page 10: Gland Lubrication
Description And Operation 4000 SRM 1664 Lowering the lift cylinders can be interrupted by The area between shell and rod is closed off by a returning the lift spool into the neutral position. 1 MPa (145 psi) check valve, which is located at the This closes the connection between lift cylinder and lower cross member of the outer mast. -
Page 11: Emergency Lowering Valve
4000 SRM 1664 Description And Operation accessed after removal of the cover above it. See Emergency Lowering Valve Figure 6. The lift cylinders will NOT lower if lift cylinder Initial turning of the hand wheel CLOCKWISE will pressure is insufficient to overcome the combined remove play between spindle and shock valve. -
Page 12: Lift Chains
Description And Operation 4000 SRM 1664 A. TO TANK B. FROM CYLINDER 1. SHOCK VALVE 1. OUTER PLATES 2. ANTI-CAVITATION VALVE 2. LINK PIN (RIVETED TO OUTER PLATES 3. SHOCK VALVE SPRING 3. INTERMEDIATE PLATES 4. ANTI-CAVITATION SPRING 4. INNER PLATES 5. -
Page 13: Elongation Through Wear
4000 SRM 1664 Description And Operation Elongation Through Wear restore daily by removing the load and allowing oil to penetrate again. Restoring the oil film is effected When the chain articulates, the inner plates rotate by the capillary action of oil. This process is to be over the link pin and cause wear. -
Page 14: Maintaining The Presence Of Oil
Description And Operation 4000 SRM 1664 Periodically the chains will have to be removed from penetrate to the contact area between link pin and the truck for cleaning, inspection and re-lubrication intermediate link. by immersion in oil. Cleaning must allow thorough Use SAE 20W to 30W oil in ambient •... -
Page 15: Bearing Blocks
4000 SRM 1664 Description And Operation Bearing Blocks The carriage and inner mast are equipped with bearing blocks. These absorb sideways forces, which cannot be absorbed by the load rollers. The bearing blocks are shimmed close to the mast channels. Re- shimming is required when sideways movement causes shocks that affect load handling. -
Page 16: Standard Carriage With Manual Fork Positioning
Description And Operation 4000 SRM 1664 Standard Carriage with Manual Fork Standard Carriage with Hydraulic Fork Positioning Positioning The pin-type forks are kept in position by two The pin-type forks are positioned by fork guides clamps. Loosening the clamps allows manual that are attached to the fork positioning cylinders. -
Page 17: Integral Side Shift (Iss) Carriage With Pin-Type Forks
4000 SRM 1664 Description And Operation DFSSFP Carriage with Quick Integral Side Shift (ISS) Carriage with Pin- Disconnect Forks Type Forks The carriage with integral side shift has a separate The DFSSFP carriage with Quick Disconnect Forks apron, which can be moved by activating the side has two fork hangers that are installed on the shift cylinder. -
Page 18: Dfssfp Carriage With Integrated Forks
Description And Operation 4000 SRM 1664 DFSSFP Carriage with Integrated Trucks with several auxiliary functions have a Directional Control Valve that has a spool section Forks for each function. Oil supply is through a fixed The forks for the DFSSFP carriage with Integrated Pressure and Tank (P &... - Page 19 4000 SRM 1664 Description And Operation Table 1. Directional Control Valve Connections 1st Spool 2nd Spool 3rd Spool 4th Spool 5th Spool Pin Type Connector CPS152 CPS151 CPS149 – – Function Aux 3 Aux 2 Aux 0 – – Hydraulic LH Fork RH Fork Side Shift...
- Page 20 Description And Operation 4000 SRM 1664 1. VALVE HOUSING 4. PILOT PRESSURE SUPPLY VALVE 2. INLET MODULE 5. SOLENOID 3. RELIEF VALVE 6. CYLINDER Figure 17. Directional Control Valve – Schematic (SS Carriage with FP shown)
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