TM 5-3810-306-20
CHAPTER 16
HYDRAULIC SYSTEM MAINTENANCE
CHAPTER INDEX
Procedure
Page
Section I
Hydraulic Control Valve Maintenance .........................................................................................16-2
Hydraulic Control Valve Installation.............................................................................................16-2
Integrated Outrigger Control Valve Installation ...........................................................................16-4
Front and Rear Outrigger Control Valve Installation ...................................................................16-6
Swing Brake Valve and Pedal Installation...................................................................................16-8
Rear Axle Lockout Valve...........................................................................................................16-10
Two-Position Selector Valve .....................................................................................................16-12
Lift Cylinder Over-Center Valve Installation...............................................................................16-14
Section II
Filter and Lines Maintenance ....................................................................................................16-16
Axle Lockout Hydraulic Lines ....................................................................................................16-16
Free Swing Hydraulic Lines.......................................................................................................16-18
Front Steering Hydraulic Lines, Cab .........................................................................................16-20
Front Steering Hydraulic Lines, Carrier.....................................................................................16-22
Rear Steering Hydraulic Lines...................................................................................................16-24
Hoist Hydraulic Lines.................................................................................................................16-26
Hydraulic Filter Replacement ....................................................................................................16-29
Lift Cylinder Hydraulic Lines, Cylinders.....................................................................................16-30
Lift Cylinder Hydraulic Lines, Valves.........................................................................................16-32
Outrigger Lines..........................................................................................................................16-34
Supply, Pressure, and Return Lines, Carrier.............................................................................16-38
Supply, Pressure, and Return Lines, Superstructure................................................................16-40
Telescope Hydraulic Lines ........................................................................................................16-44
Section III
Hydraulic Reservoir Maintenance .............................................................................................16-46
Emergency Hand Pump Installation..........................................................................................16-46
Hydraulic Reservoir Replacement.............................................................................................16-48
Section IV
Hydraulic System Maintenance.................................................................................................16-50
Draining and Flushing Hydraulic System...................................................................................16-50
Bleeding Air from Hydraulic System..........................................................................................16-52
Hydraulic Control Valve Relief Setting
Checks and Adjustment......................................................................................................16-54
16-1