Section XI. HYDRAULIC SYSTEMS MAINTENANCE

TM 9-2320-285-24-1

Section XI. HYDRAULIC SYSTEMS MAINTENANCE

This section contains the information you need to maintain the:

Fifth Wheel Hydraulic System

Cab Tilt Hydraulic System

It gives you instructions on how to troubleshoot problems and repair or

replace the components that are within the scope of organizational

maintenance.

Para

Troubleshooting Symptom Index.................

2-75

Hydraulic Filters and Lines

Fifth Wheel Hydraulic System

and Fittings ..............................................

2-78b

Troubleshooting .......................................

2-76

Hydraulic Filters ....................................

2-78b(1)

Cab Tilt Hydraulic System

Lines and Fittings .................................

2-78b(2)

Troubleshooting .......................................

2-77

Hydraulic Reservoir ..............................

2-78c

Fifth Wheel Hydraulic System

Cab Tilt Hydraulic System

Maintenance.............................................

2-78

Maintenance ............................................

2-79

Fifth Wheel Control Lever

Cab Hydraulic Pump.............................

2-79a

and Cable..............................................

2-78a

Lines and Fittings .................................

2-79b

2-75. TROUBLESHOOTING SYMPTON INDEX

Para/Malfunction

Page

FIFTH WHEEL HYDRAULIC SYSTEM

Fifth wheel doesn't lift.........................................................................................................

2-76/1

2-862

Fifth wheel lifts slowly.........................................................................................................

2-76/2

2-863

Fifth wheel creeps downward.............................................................................................

2-76/3

2-864

Fifth wheel doesn't lower....................................................................................................

2-76/4

2-865

Hydraulic oil foaming ..........................................................................................................

2-76/5

2-865

Excessive hydraulic pump noise ........................................................................................

2-76/6

2-865

Hydraulic oil overheating ....................................................................................................

2-76/7

2-866

Hydraulic reservoir overflows .............................................................................................

2-76/8

2-866

CAB TILT HYDRAULIC SYSTEM

Cab won't raise to 45 degrees............................................................................................

2-77/1

2-867

Cab won't lower or stops part way down............................................................................

2-77/2

2-867

Hydraulic latches lock before cab is all the way down .......................................................

2-77/3

2-867

Hydraulic latches won't lock ...............................................................................................

2-77/4

2-867

2-861