TM-9-2320-431-10-2
TRUCK, WRECKER, 8X8, M984A1
TECHNICAL MANUAL; OPERATOR'S MANUAL; PART 2 OF 2
JUNE 2009
TM-9-2320-431-10-2 - Page 68 of 712
Figure 1.
CONDITION/INDICATION
Are any petcock valves open?
DECISION
Petcock(s) open - Test 5 - Does air system lose pressure during operation?
Petcocks closed - Test 2 - Is trailer air supply control in correct position?
TEST 2 - Is trailer air supply control in correct position?
1.
Check if trailer air supply control is pulled out (OFF position) if no trailer is coupled,
and pushed in (ON position) if trailer is coupled.
TM 9-2320-431-10-2
0138
0138-2
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