TM 5-3805-298-23-2
0156
Table 1. All Service Brakes Do Not Operate - Continued.
0156
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
All Service Brakes Do Not
Test Step 6. Test Brake Accumulator.
Perform pressure test on service brake Both Service Brake Accumulators at
Operate - Continued
Correct Pressure Replace service
accumulators (WP 0328).
brake control valve (WP 0326).
Proceed to Test Step 7.
One or Both Service Brake
Accumulator(s) Are Not at Correct
Pressure Replace service brake
accumulator(s) and charge to correct
pressure (WP 0328).
Proceed to Test Step 7.
Test Step 7. Verify Malfunction Is
Resolved.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Ensure all hydraulic hoses are
connected.
3. Install right side lower cab access
panels (WP 0347).
4. Turn battery disconnect switch ON
and start engine
(TM 5-3805-298-10).
5. Raise the work tool above the
ground (TM 5-3805-298-10).
6. Turn transmission neutralizer
switch to ON (TM 5-3805-298-10).
7. Warm the transmission oil to
normal operating temperature of
approximately 165F to 185F
(75C to 85C).
8. Bring the hydraulic oil to operating
temperature of 140F (60C)
(TM 5-3805-298-10).
9. Apply service brake and release
parking brake
(TM 5-3805-298-10).
10. Turn the transmission control to
third speed forward
(TM 5-3805-298-10).
11. Increase engine to high speed idle
Machine Does Not Move
Troubleshooting complete. Proceed to
(TM 5-3805-298-10).
step 12.
Machine Moves Repeat
troubleshooting from the beginning.
0156-6
