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 693 of 1393

REMOVAL
CAUTION
When disconnecting hydraulic lines and hoses, plug all openings to prevent dirt from entering
and causing damage to internal parts.
NOTE
•
Have drainage container ready to catch oil.
•
Use drain pans to retain leaking/draining fluids. Refer to local procedures and plans for
preventing and responding to fluid spills or leaks. Comply with local regulations when
disposing of clean up material and leaked and spilled fluids.
•
Tag all hydraulic lines for installation.
1.
Disconnect oil supply hose (Figure 1, Item 26) from rear elbow (Figure 1, Item 27) on winch motor
(Figure
1,
Item
28).
2.
Disconnect oil return hose (Figure 1, Item 25) from front elbow (Figure 1, Item 24) on winch motor
(Figure
1,
Item
28).
3.
Remove four screws (Figure 1, Item 2), lockwashers (Figure 1, Item 3), and washers (Figure 1, Item 4) from
left mounting support plate (Figure 1, Item 5) and left frame rail extension (Figure 1, Item 11). Discard
lockwashers.
4.
Remove three locknuts (Figure 1, Item 12), screws (Figure 1, Item 8), and washers (Figure 1, Item 9) from left
inner support plate bracket (Figure 1, Item 10) and left mounting support plate (Figure 1, Item 5).
Discard
locknuts.
5.
Remove four screws (Figure 1, Item 1), lockwashers (Figure 1, Item 23), and washers (Figure 1, Item 22) from
right mounting support plate (Figure 1, Item 21) and right frame rail extension (Figure 1, Item 15).
Discard
lockwashers.
6.
Remove three locknuts (Figure 1, Item 13), screws (Figure 1, Item 17), and washers (Figure 1, Item 16) from
right inner support plate bracket (Figure 1, Item 14) and right mounting support plate (Figure 1, Item
21).
Discard locknuts.
7.
Position chains on front winch (Figure 1, Item 18) and attach to lifting device.
WARNING
All personnel must stand clear during lifting operations. A snapped chain, or shifting or
swinging load, may result in injury to personnel. Failure to comply may result in injury or death
to personnel.
8.
With the aid of an assistant, remove front winch (Figure 1, Item 18) from frame rail extensions
(Figure
1,
Items
11
and
15).
9.
Remove four screws (Figure 1, Item 7), washers (Figure 1, Item 6), and left mounting support plate
(Figure
1,
Item
5) from front winch (Figure 1, Item 18).
10.
Remove four screws (Figure 1, Item 20), washers (Figure 1, Item 19), and right mounting support plate
(Figure
1,
Item
21) from front winch (Figure 1, Item 18).
TM 9-2320-272-23-4
0668
0668-2


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