TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Braking is Poor or Nonexistent.
1. Ensure
brake
system Close shutoff valves as required
accumulator shutoff valves are (WP 0164 00).
in CLOSED position.
2. Inspect brake pedals for a. Remove any obstructions.
damage and obstructions.
b. Repair or replace damaged
brake pedal (WP 0132 00).
3. Check hydraulic brake lines a. Tighten loose connections.
and hoses for damage and b. Replace damaged or leaking
signs of leakage.
lines and hoses (WP 0127 00).
4. Test brake charging valve a. If accumulator pre-charge
opening pressure for brake
nitrogen pressures are not
system circuits 1 and 2, test
normal, service accumulators
points 1 and 2 (WP 0188 00
(WP 0230 00).
00). Check brake charging b. Replace service brake control
valve opening pressures and
valve (WP 0126 00).
accumulator
pre-charge c. If operating pressure is low,
nitrogen pressures.
replace boom and brake
system pump (WP 0246 00).
5. Test operating pressures for Replace service brake control
brake system circuits 1 and 2, valve (WP 0126 00).
test points 4 and 5 (WP 0188
00 00).
2. Parking Brake Will Not Release.
1. Ensure
brake
system Close shutoff valve as required
accumulator shutoff valves are (WP 0164 00).
in CLOSED position.
2. Inspect parking brake control a. Remove any obstructions.
lever for damage and b. Replace damaged parking
obstructions.
brake control valve (WP 0124
00).
3. Check hydraulic brake lines a. Tighten loose connections.
and hoses for damage and b. Replace damaged or leaking
signs of leakage.
lines and hoses (WP 0125 00).
0007 00-67
