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 269 of 1393

REMOVAL
WARNING
•
Lifting device must have a weight capacity greater than the combined weight of the dump
body. Failure to comply may result in injury or death to personnel.
•
All personnel must stand clear during lifting operations. A snapped cable, or swinging or
shifting load, may occur. Failure to comply may result in injury or death to personnel.
•
Never work under dump body until safety braces are properly positioned. Dump body
may suddenly lower. Failure to comply may result in injury or death to personnel.
1.
Place dump body (Figure 1, Item 1) in raised position (TM 9-2320-272-10).
2.
Place safety braces (Figure 1, Item 14) in proper position (TM
9-2320-272-10).
NOTE
Step (3) applies to both left and right thrust plates.
3.
Remove locknut (Figure 1, Item 3) and screw (Figure 1, Item 5) from thrust plate (Figure 1, Item 2) and thrust
plate pin (Figure 1, Item 4). Discard locknut.
4.
Remove safety braces (Figure 1, Item 14) and place dump body (Figure 1, Item 1) in lowest position
(TM
9-2320-272-10).
5.
Wrap two utility chains around subframe beam (Figure 1, Item 6) and fasten hooks over utility chains.
6.
Attach lifting device to center of utility chains.
7.
Raise lifting device until slack is removed from chains.
WARNING
Ensure dump control lever is in the NEUTRAL position and has not moved. Failure to comply
may result in injury or death to personnel.
NOTE
Steps (8) through (11) apply to both left and right sides.
8.
Remove thrust plate pin (Figure 1, Item 4) from thrust plate (Figure 1, Item 2) and roller arms
(Figure
1,
Item
15).
9.
Remove six locknuts (Figure 1, Item 13) from hinge bracket (Figure 1, Item 9). Discard locknuts.
10.
Remove locknut (Figure 1, Item 10), washer (Figure 1, Item 11), and screw (Figure 1, Item 12) from hinge
bracket (Figure 1, Item 9). Discard locknut.
11.
Connect two guide lines to front and rear of body (Figure 1, Item 1).
TM 9-2320-272-23-4
0594
0594-2


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