TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 1349 of 1417
PRIMARY SWITCH REMOVAL
WARNING
•
Do not disconnect air lines before draining air reservoirs. Small parts under pressure may
shoot out with high velocity. Failure to comply may result in injury or death to personnel.
•
Do not touch hot exhaust system components with bare hands. Failure to comply may
result in injury or death to personnel.
NOTE
Tag wires for installation.
1.
Disconnect wires (Figure 1, Item 1) and (Figure 1, Item 2) from primary low air pressure switch
(Figure
1,
Item
5).
2.
Remove low air pressure switch (Figure 1, Item 5) and adapter fitting (Figure 1, Item 4) from adapter elbow
(Figure 1, Item 3).
TM 9-2320-272-23-2
0342
0342-2
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