TM 9--2350--292--20--1
0177 00--3
LOW BRAKE PRESSURE WARNING LIGHT COMES ON AND WARNING
HORN SOUNDS -- CONTINUED
0177 00
F
Are all hoses and fittings free of damage and leaks?
CONTINUED FROM STEP A
no
yes
CONTINUED ON NEXT PAGE
Check brake system for damage or leaking hoses
and fittings (WP 0355 00 through WP 0384 00).
Repair or replace damaged
or leaking hoses and fit-
tings (WP 0355 00 through
WP 0384 00). Verify fault
is corrected.
G
Did brake pressure gauge read 500 psi (old configuration) or
550 psi (new configuration with brake modulation) or greater?
no
yes
1. Disconnect hose from port P of brake modulating
valve (WP 0360 00 or WP 0361 00 or WP
0362 00). Plug hose.
2. Disconnect hose from port T of brake modulating
valve (WP 0360 00 or WP 0361 00 or WP
0362 00). Plug hose.
3. Turn vehicle MASTER switch ON
(TM 9--2350--292--10).
4. Read brake pressure gauge on power boost
manifold.
5. Turn vehicle MASTER switch OFF
(TM 9--2350--292--10).
Replace brake modulating
valve (WP 0376 00 or WP
0377 00). Verify fault is
corrected.
WARNING