TM-9-2320-428-10
TRUCK, CARGO, 8X8, M977
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 2009
TM-9-2320-428-10 - Page 583 of 1072
DECISION
Petcock(s) open - Test 6 - Does buzzer stop, and air indicator light extinguish?
Petcock's closed - Test 3 - Is trailer air supply control in correct position?
TEST 3 - Is trailer air supply control in correct position?
1.
Check that trailer air supply control is pulled out (OFF position) if no trailer is coupled,
and pushed in (ON position) if trailer is coupled.
2.
If trailer air control is found in an incorrect position, set to correct position.
Figure 3.
CONDITION/INDICATION
Is trailer air supply control in correct position?
DECISION
No - Test 6 - Does buzzer stop, and air indicator light extinguish?
Yes - Test 4 - Does air reservoir, hoses, lines, fittings, and/or connectors leak?
TM 9-2320-428-10
0107
0107-3
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