AIR RESERVOIR
DRAIN MANIFOLD
AIR RESERVOIR NO. 3
DRAIN VALVE
AIR RESERVOIR NO. 2
DRAIN VALVE
AIR RESERVOIR NO. 4
DRAIN VALVE
AIR RESERVOIR NO. 5
DRAIN VALVE
AIR RESERVOIR NO. 1
DRAIN VALVE
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.
2.
If trailer air supply control is found in an incorrect position, set to correct position.
TM 9-2320-341-10
0104
0104-2