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TM10-3930-660-20
CHAPTER 18
HYDRAULIC SYSTEM MAINTENAMCE
18-1. GENERAL
This chapter provides maintenance procedures assigned to the organizational level
for the hydraulic system.
To find a specific maintenance procedure, see the
maintenance task summary below.
18-2.
HYDRAULIC SYSTEM MAINTENANCE TASK SUMMARY
TASK
PAGE
PARA .
PROCEDURES
NO.
18-3
18-4
18-5
18-6
18-7
18-8
18-9
18-10
18-11
18-12
18-13
18-14
18-15
18-16
18-17
18-18
18-19
18-20
18-21
18-22
18-23
18-24
18-25
18-26
18-27
18-28
18-29
18-30
18-31
18-32
Hydraulic System - Service
Tandem Gear Pump - Test/Replace
Piston Pump - Test/Replace
Main Control Valve Assembly - Adjust/Replace
MLRS Attachment Control Valve Assembly - Replace
Priority Valve - Replace
Relief Valve, Frame Tilt/Brakes - Test/Replace
Shuttle Valve - Replace
Frame Tilt Valve - Replace
Hydraulic Joystick Control Valve - Replace
Boom Cylinder Flow Control Valve - Replace
Frame Tilt Cylinder - Replace
Carriage Tilt Cylinder - Replace
MLRS Attachment Cylinder - Replace
Forks - Replace
Fork Bushings - Replace
MLRS Attachment - Replace
Boom Pivot Pins - Service
Boom Wear Pads - Inspect
Boom Hose Pulley - Replace
Boom Chain Pulleys - Replace
Boom Extend and Retract Chains - Inspect/Adjust
Boom Hydraulic Hose and Electrical Cable Tension - Adjust
Hydraulic Hoses, Lines, and Fittings - Replace/Repair
Hydraulic Tubing - Replace
Hydraulic Oil Sampling Valve - Replace
Hydraulic Oil Strainers - Service/Replace
Hydraulic Oil Filter - Replace
Fork Sideshift Cylinders - Replace
Boom Hoist Cylinders - Replace
18-2
18-6
18-11
18-17
18-29
18-34
18-37
18-42
18-45
18-48
18-51
18-54
18-58
18-63
18-67
18-71
18-73
18-81
18-82
18-84
18-90
18-94
18-96
18-100
18-113
18-115
18-117
18-119
18-121
18-126
18-1
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