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 399 of 1417
PRELIMINARY DISCONNECTIONS
NOTE
If a special purpose kit is installed on vehicle, refer to applicable kit section(s) and make
necessary disconnection(s).
1.
Disconnect wires (Figure 1, Items 2 and 3) from water temperature sending unit (Figure 1, Item 4) and engine
high temperature sending unit (Figure 1, Item 1).
M9225DAA
3
4
2
1
Figure 1.
Sending Unit Disconnect.
2.
Remove hose clamp (Figure 2, Item 4) and hose (Figure 2, Item 2) from water heater shutoff
(Figure
2,
Item
3). Tie hose clear of engine (Figure 2, Item 1).
3.
Remove hose clamp (Figure 2, Item 6) and hose (Figure 2, Item 5) from water heater shutoff
(Figure
2,
Item
7). Tie hose clear of engine (Figure 2, Item 1).
4.
Remove two screw assembled lockwashers (Figure 2, Item 20) and terminal cover (Figure 2, Item 15) from
alternator (Figure 2, Item 21). Discard screw assembled lockwashers.
5.
Remove two screws (Figure 2, Item 14), lockwashers (Figure 2, Item 13), and retainer (Figure 2, Item 12) from
alternator (Figure 2, Item 21). Discard lockwashers.
6.
Remove screw (Figure 2, Item 27), lockwasher (Figure 2, Item 26), and wire (Figure 2, Item 25) from alternator
(Figure 2, Item 21). Discard lockwasher.
7.
Remove nut (Figure 2, Item 11), lockwasher (Figure 2, Item 10), washer (Figure 2, Item 9), and wire
(Figure
2, Item 8) from alternator (Figure 2, Item 21). Discard lockwasher.
8.
Remove nut (Figure 2, Item 16), lockwasher (Figure 2, Item 17), washer (Figure 2, Item 18), and wire
(Figure
2, Item 19) from alternator (Figure 2, Item 21). Discard lockwasher.
9.
Disconnect plug (Figure 2, Item 23) from connector (Figure 2, Item 24).
10.
Remove tiedown strap (Figure 2, Item 22) from wires (Figure 2, Item 25) and (Figure 2, Item 8).
Discard
tiedown
strap.
TM 9-2320-272-23-2
0211
0211-2
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