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 1150 of 1417
FIELD MAINTENANCE
ELECTRICAL SWITCHES AND CIRCUIT BREAKER REPLACEMENT
INITIAL SETUP:
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Volume 5, WP
0826, Table 1, Item 56)
Materials/Parts
Lockwasher
(Volume 5, WP
0827, Table 1, Item 387)
Qty:
3
Equipment Condition
Parking brake set. (TM 9-2320-272-10)
Equipment Condition (cont.)
Blower motor in OFF position. (TM 9-2320-272-10)
Hood raised and secured. (TM 9-2320-272-10)
Battery ground cables disconnected. (WP
0350)
BLOWER SWITCH REMOVAL
NOTE
•
Blower motor switch, floodlight switch, and warning switches are all replaced the
same
way.
•
Blower motor switch shown.
1.
Remove screw (Figure 1, Item 1) and lever (Figure 1, Item 2) from blower motor switch (Figure 1, Item 5).
2.
Remove nut (Figure 1, Item 3), lockwasher (Figure 1, Item 4), and blower motor switch (Figure 1, Item 5) from
instrument panel (Figure 1, Item 6). Discard lockwasher.
6
5
1
2
3
4
M0241DAA
Figure 1.
Switch Removal.
TM 9-2320-272-23-2
0307
0307-1
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