TM 9-2320-366-20-5
HYDRAULIC SYSTEM MAINTENANCE
RESTRICTED MAINTENANCE NOTICE
Units not authorized SC 4910-95-CL-A72 (SHOP EQUIPMENT, COMMON NO. 2) in their T.O.E. may
be unable to perform some of the maintenance tasks described in this chapter. If the required tools
are not authorized, the equipment must be submitted to DS Maintenance for repair.
Section I. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-1
19-1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Section II. MAINTENANCE PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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19-2. BACK-UP HYDRAULIC PUMP REPLACEMENT . . . . . . . . . . . . . . . . . . . . . .
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19-3. AIR/HYDRAULIC POWER UNIT AND BRACKET REPLACEMENT . . . . . . . . .
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19-4. HYDRAULIC MANIFOLD REPLACEMENT/REPAIR . . . . . . . . . . . . . . . . . . . .
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19-5. HYDRAULIC MANIFOLD FILTER REPLACEMENT . . . . . . . . . . . . . . . . . . . .
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19-6. M1089 WRECKER CONTROL PANEL HOSES AND TUBING REPLACEMENT
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19-7. CAB HYDRAULIC LATCH REPLACEMENT/ADJUSTMENT . . . . . . . . . . . . . .
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19-8. AIR TRANSPORTABILITY HYDRAULIC SYSTEM SERVICE . . . . . . . . . . . . .
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19-9. EMERGENCY CAB LIFT PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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19-10. SUSPENSION CYLINDER REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . .
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19-11. CAB HYDRAULIC CYLINDER REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . .
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19-12. AIR TRANSPORTABILITY HYDRAULIC HOSE REPLACEMENT . . . . . . . . . .
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19-13. HYDRAULIC OIL FILTER ASSEMBLY SERVICE/REPLACEMENT . . . . . . . . .
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19-14. M1089 HYDRAULIC TANK FILTER REPLACEMENT . . . . . . . . . . . . . . . . . . .
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19-15. M1090/M1094 HYDRAULIC HOSES REPLACEMENT . . . . . . . . . . . . . . . . . .
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19-16. M1089 UNDERLIFT/WINCH HYDRAULIC HOSES REPLACEMENT . . . . . . . .
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19-17. M1089 UNDERLIFT HYDRAULIC TUBING REPLACEMENT . . . . . . . . . . . . . .
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19-18. M1089 HYDRAULIC SYSTEM HOSES REPLACEMENT . . . . . . . . . . . . . . . .
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19-19. HYDRAULIC RESERVOIR AND BRACKET REPLACEMENT . . . . . . . . . . . . .
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19-20. M1089 HYDRAULIC TANK AND MANIFOLD REPLACEMENT/REPAIR . . . . . .
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19-21. M1089 HYDRAULIC TANK RETURN VALVE REPLACEMENT/REPAIR . . . . .
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19-22. M1090/M1094 FOUR-WAY RELIEF VALVE SOLENOID REPLACEMENT . . . .
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Section I. INTRODUCTION
This chapter contains maintenance instructions for replacing, repairing, adjusting, and servicing hydraulic system
components authorized by the Maintenance Allocation Chart (MAC) at the Unit Maintenance level.
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