TM 9--2350--292--20--1
0177 00--4
LOW BRAKE PRESSURE WARNING LIGHT COMES ON AND WARNING
HORN SOUNDS -- CONTINUED
0177 00
CONTINUED FROM STEP G
H
Did test gauge assembly read 500 psi (old configu-
ration) or 550 psi (new configuration with brake
modulation) or greater?
no
yes
1. Remove plugs from hoses and reconnect hoses
to brake modulating valve ports P and T (WP
0360 00, WP 0361 00, or WP 0362 00).
2. Disconnect brake manifold supply hose at brake
pump and motor (WP 0360 00, WP 0361 00 or
WP 0362 00).
3. Install 0--4000 psi testing gauge assembly with
reducer in brake pump and motor.
4. Turn vehicle MASTER switch ON
(TM 9--2350--292--10).
5. Read test gauge assembly installed on brake
pump and motor.
6. Turn vehicle MASTER switch OFF
(TM 9--2350--292--10).
Replace brake manifold
(WP 0374 00 or WP
0375 00). Verify fault is
corrected.
Replace brake pump and
motor (WP 0381 00).
Verify fault is corrected.
FORWARD
END OF TASK