TM 5-3805-281-24-1
Diagnostic Information
Symptom
Problem
Solution
Load Drifts Down When Control
Cylinder leakage
Test cylinder for leakage. See Group
Valve Is In Neutral Position
9025-25.
Circuit relief valve
Test circuit relief valves. See Group
9025-25.
Reduced leakage valve for boom
Inspect reduced leakage valve. See
down and arm in
Group 3360
Control valve leakage
Inspect control valve. See Group
3360.
Load Falls When Control Valve Is
Lift check valve leakage
Inspect lift check valve in control
Actuated To Raise Load With
valve. See Group 3360.
Engine Running At Slow Idle
Function Moves in Opposite
Pilot control hoses connected
Check installation of pilot control
Direction
backwards
hoses. See Group 9025-15.
HP (High Power) Function Does
Pump pressure or arm-in pressure
Check for Service Codes 02, 03, or
Not Operate, Standard Mode Is
sensors
06. See Group 9025-25. Replace
Normal
sensors as necessary. See Group
1674. Also check wiring harness.
See Group 9015-15.
9025
HP mode switch
Monitor data item 24 to check On,
15
Off state of switch. See Group
17
9025-25. Also check wiring harness.
Injection pump fast idle stop bracket
Check adjustment. See Group
9010-20.
Engine speed
Engine speed must be 1600 rpm or
more. Turn engine rpm dial to fast
idle position and check again.
TX,9025,GG2528
1924FEB982/2
6-124
