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 4. Test Brake System
Operate - Continued
Pressure.
1. Turn ignition switch to OFF
position (TM 5-3805-298-10).
2. On MSD, select Information, and
Status (WP 0008).
3. On MSD, select Brake System and
observe Rear Brake Pressure
Value (Figure 1, Item 1).
4. Press brake pedal at two second
intervals until Brake Accumulator
Pressure Value reads 4 psi or less
on the MSD.
5. Start the engine
(TM 5-3805-298-10).
6. Observe Brake Accumulator
Pressure Reading Is 2,262 88 psi
Pressure Value on the MSD
Replace instrument cluster (WP 0252).
(Figure 1, Item 2). Allow pressure
Proceed to Test Step 7.
to increase to maximum.
Pressure Reading Is Less Than
2,174 psi Replace hydraulic cooling
fan gear pump (WP 0235).
Proceed to Test Step 7.
0156-4
