TM-9-2320-428-10
TRUCK, CARGO, 8X8, M977
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 2009
TM-9-2320-428-10 - Page 604 of 1072
Figure 1.
CONDITION/INDICATION
Are intervehicular air hoses securely and correctly connected?
DECISION
No - Test 3 - Do trailer brakes apply when service brake treadle or parking brake is
used?
Yes - Test 2 - Is trailer air supply control pushed in (ON position)?
TEST 2 - Is trailer air supply control pushed in (ON position)?
1.
Check if trailer air supply control is pushed in (ON position).
TM 9-2320-428-10
0110
0110-2
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