TM 5-3805-291-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 6. Braking and Hydraulic Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Check parking brake actuator for incorrect If damaged, stretched, or out of
8.
Parking Brake Does Not
adjustment, damage, or disconnection (WP adjustment, adjust or replace parking brake
Engage When Parking
cable as necessary.
0112 00).
Brake Control Lever is
Actuated.
1. Check hydraulic system oil level (TM
1. Add oil as necessary.
9.
Low Oil Pressure Warning
2. If problem still exists, go to Test 2.
5-3805-291-10).
Indicator Will Not Turn
Off.
If warning indicator turns off with engine
2. Run engine at high rpm while
at high idle, replace braking and hydraulic
observing warning indicator (TM 5-
3805-291-10).
fan gear pump (WP 0215 00).
1. Perform Control Manifolds Test and
If problem still exists, go to Test 2.
10. Fan Speed Will Not Adjust
Adjustment (WP 0016 00).
to Demands of Machine.
2. Perform Hydraulic Fan Speed Test and If fan speed cannot be adjusted, replace
Adjustment (WP 0015 00).
demand fan solenoid (WP 0217 00).
If problem still exists, go to Test 2.
1. Margin pressure must be set. Refer to
11. Fan Will Not Spin or Stops
Hydraulic Fan Speed Test and
Spinning After Machine
Adjustment (WP 0015 00).
Starts.
2. Perform High Pressure Cutoff Test
If problem still exists, go to Test 3.
3. Perform Brake Control Manifold Test
If problem still exists, replace brake
control manifold (WP 0217 00).
12. Fan Spins When Machine is Margin pressure must be set. Refer to
Hydraulic Fan Speed Test and Adjustment
Cold or Acts Erratically
When Machine is Hot.
13. Calibration Cannot Achieve 1. Set margin pressure (WP 0015 00).
If problem still exists, go to Test 2.
Refer to Hydraulic Fan Speed Test and
Minimum Fan Speed.
Adjustment.
2. Perform Brake Control Manifold Test
Replace control manifold (WP 0217 00).
1. Perform Engine Temperature Sensor
1. If faulty, replace temperature sensor
14. Fan Spins at Maximum
Open or Short Circuit Test (WP 0013
(WP 0077 00).
Speed at All Times.
00).
2. If problem still exists, go to Test 2.
2. Perform Hydraulic Fan Speed Test and If problem still exists, go to Test 3.
Adjustment (WP 0015 00).
3. Perform Brake Control Manifold Test
If faulty, replace fan control manifold (WP
0217 00).
15. Braking and Hydraulic Fan Perform Hydraulic Fan Speed Test and
Adjustment (WP 0015 00).
System Was Serviced and
Fan Speed is Incorrect.
