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• 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.
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"THE QUALITY KEEPERS" HYSTER APPROVED PARTS...
4000 SRM 135 Safety Procedures When Working Near Mast Safety Procedures When Working Near Mast The following procedures must be used when inspect- ing or working near the mast. Additional precautions 2. If parts of the mast must be in raised position, and procedures can be required when repairing or re- install a safety chain to restrain the moving parts moving the mast.
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Safety Procedures When Working Near Mast 4000 SRM 135 1. INNER WELDMENT 3. HOOK 2. OUTER WELDMENT 4. CARRIAGE Figure 1. Mast...
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4000 SRM 135 Safety Procedures When Working Near Mast 1. INNER WELDMENT 3. HOOK 2. TILT CYLINDERS Figure 2. Mast...
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Safety Procedures When Working Near Mast 4000 SRM 135 Figure 3. Two-Stage, Free-Lift, Three-Stage, and Four-Stage Masts...
Description 4000 SRM 135 A. INSTALLED B. NOT INSTALLED 1. LOWERING CONTROL VALVE 7. RETAINER 2. PISTON 8. WIPER SEAL 3. BEARING 9. BACKUP RING 4. CHECK VALVE 10. O-RING 5. SHELL 11. ROD 6. NYLON RING 12. SINGLE-LIP SEAL Figure 4.
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4000 SRM 135 Description A. LOW PRESSURE DESIGN D. HIGH PRESSURE DESIGN B. LOWERING E. LIFTING C. RESTRICTED FLOW F. FREE FLOW 1. SPECIAL FITTING OR VALVE BODY 5. ORIFICE SLEEVE 2. SPRING 6. PLUNGER 3. SPECIAL WASHER 7. MAIN SLEEVE 4.
Description 4000 SRM 135 CYLINDERS (GENERAL) the piston of many of the lift cylinders. When the rod extends, the pressure increases more quickly on any Standard masts use a single-stage lift cylinder. oil in the rod end of the cylinder. The hydraulic oil Most three-stage and four-stage masts use two sin- transfers through the check valve to the piston end of gle-stage lift cylinders.
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4000 SRM 135 Description A. MAIN LIFT CYLINDER B. FREE-LIFT CYLINDER 1. WIPER RING 9. ROD ASSEMBLY 2. SINGLE-LIP SEAL 10. SPACER 3. BEARING 11. TO SENSING PORT FOR PHASING VALVE 4. O-RING PRESSURE 5. RETAINER 12. LOWERING CONTROL VALVE (ALL CYLINDERS) 6.
Description 4000 SRM 135 CYLINDERS (H360-460B) The lift cylinders used in the H360-460B lift trucks are displacement cylinders. The design and repairs for these cylinders are similar to the other lift cylin- der in this section. A displacement cylinder does not have a piston or piston seal.
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4000 SRM 135 Description A. LOWERING CONTROL VALVE 1. SETSCREW (1) 5. RETAINER 10. SPACER 15. FLANGE 2. CAPSCREW (2) 6. BACKUP RING 11. PISTON 16. SPACER PLATE 3. RETAINER RING 7. O-RING 12. PISTON RING NUT 17. SPACER 4. SINGLE-LIP SEAL 8.
Description 4000 SRM 135 Legend for Figure 10 NOTE: OIL LEAKAGE IS NOT CONTROLLED BY THE TORQUE ON THE PACKING GLAND. TIGHTEN THE PACKING RETAINER TO STOP OIL LEAKS. REPLACE CHEVRON-STYLE PACKING WHEN PACKING RETAINER CANNOT COMPRESS PACK- ING FURTHER TO CONTROL OIL LEAKS. DO NOT TIGHTEN MORE THAN NECESSARY TO STOP OIL LEAKS.
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4000 SRM 135 Description A. HIGH-SPEED OPERATION FOR NO LOAD OR LIGHT LOADS B. NORMAL OPERATION FOR RATED CAPACITY LOAD OR HEAVY LOADS 1. FORCE 3. GREATER LIFTING FORCE 2. FROM HYDRAULIC PUMP 4. TO HYDRAULIC TANK Figure 11. Two-Speed Lift Cylinders NOTE: The maximum loads that the above models will lift at high speed are shown on Table 1.
Lift Cylinder Repair 4000 SRM 135 Lift Cylinder Repair LIFT CYLINDER REMOVAL WITHOUT 7. Remove the capscrew and the plate from the lower side of the cylinder. REMOVING MAST 8. Raise the cylinder and move it away from the Remove the carriage before the lift cylinder. See the mast.
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