TM-9-2320-272-23-4

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 4 OF 5

SEPTEMBER 2012
TM-9-2320-272-23-4

  TM-9-2320-272-23-4 - Page 791 of 1393

REMOVAL - Continued
8.
Remove elbow (Figure 2, Item 7) and pipe nipple (Figure 2, Item 6) from winch motor (Figure 2, Item 8).
9.
Remove 12 screws (Figure 2, Item 2), washers (Figure 2, Item 3), and six clamps (Figure 2, Item 4) from
hydraulic motor (Figure 2, Item 8).
NOTE
Tag hydraulic hoses for installation.
10.
Remove three hydraulic hoses (Figure 2, Item 1) and o-rings (Figure 2, Item 5) from hydraulic motor
(Figure
2, Item 8). Discard o-rings.
11.
Disconnect hydraulic hose (Figure 2, Item 11) from elbow (Figure 2, Item 10) on winch motor
o(Figure
2,
Item
8).
12.
Remove elbow (Figure 2, Item 10) and o-ring (Figure 2, Item 9) from winch motor (Figure 2, Item 8).
Discard
o-ring.
13.
Disconnect two hose connectors (Figure 2, Items 31 and 32) from tee (Figure 2, Item 33).
14.
Loosen setscrew (Figure 2, Item 14) until flush with front coupling hub (Figure 2, Item 18).
15.
Remove tee (Figure 2, Item 33), adapter (Figure 2, Item 30), valve (Figure 2, Item 29), and elbow
(Figure
2,
Item 7) from pipe nipple (Figure 2, Item 6). Tag valve for installation.
16.
Remove two locknuts (Figure 2, Item 27), screws (Figure 2, Item 25), and washers (Figure 2, Item 26) from
frame crossmember (Figure 2, Item 24) and rear bracket (Figure 2, Item 28). Discard locknuts.
NOTE
Assistant will help with Step (17).
17.
Remove winch motor (Figure 2, Item 8) and rear bracket (Figure 2, Item 28) from frame crossmember
(Figure
2, Item 24).
18.
Remove key (Figure 2, Item 13) from winch motor shaft (Figure 2, Item 12).
19.
Remove six screws (Figure 2, Item 16), lockwashers (Figure 2, Item 15), and rear bracket (Figure 2, Item 28)
from winch motor (Figure 2, Item 8). Discard lockwashers.
20.
Remove pipe nipple (Figure 2, Item 6) from winch motor (Figure 2, Item 8). Tag pipe nipple for installation.
21.
Remove cotter pin (Figure 2, Item 22) and shear pin (Figure 2, Item 23) from rear coupling hub
(Figure
2,
Item
20). Discard cotter pin.
22.
Remove coupling (Figure 2, Item 19) from winch driveshaft (Figure 2, Item 21).
TM 9-2320-272-23-4
0682
0682-4


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