TM-9-2320-338-10
TRUCK, CARGO, 8X8, M977A4
TECHNICAL MANUAL; OPERATOR'S MANUAL
OCTOBER 2008
TM-9-2320-338-10 - Page 648 of 1120
DECISION
Air reservoir, hoses, lines and/or connectors leak. - Notify Supervisor. Test 6 - Does
buzzer stop, and air indicator light extinguish?Notify Supervisor.
Air reservoir, hoses, lines, fittings, and/or connectors OK - Test 5 - Does buzzer sound,
and air indicator light illuminate when trailer is disconnected?
TEST 5 - Does buzzer sound, and air indicator light illuminate when trailer is
disconnected?
1.
If trailer is coupled, disconnect trailer (WP 0036)from vehicle.
Allison
TRAILER
AIR SUPPLY
M
M
REAR AIR
PRESSURE GAUGE
FRONT AIR
PRESSURE GAUGE
AIR
INDICATOR LIGHT
Figure 5.
2.
Start engine, (WP 0044) and allow air pressure to build.
3.
Check if buzzer continues to sound, and if air indicator light is illuminated.
4.
Turn engine off. (WP 0057)
CONDITION/INDICATION
Does buzzer sound, and air indicator light illuminate when trailer is disconnected?
TM 9-2320-338-10
0104
0104-6
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