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 - Page 265 of 1393
INSPECTION
Inspect frame rail sill for rot, deterioration, cracks, or breaks. If defects are found, fabricate replacement.
END OF TASK
FABRICATION
NOTE
Steps (1) and (2) apply to M927/A1/A2 and M928/A1/A2 model vehicles. Steps (3) and (4)
apply to M923/A1/A2 and M925/A1/A2 model vehicles.
1.
Cut frame rail sill (Figure 2, Item 1) to dimensions and drill five counterbore holes (Figure 2, Item 2) and three
frame rest holes (Figure 2, Item 3) as shown.
2.
Seal and paint frame rail sill (Figure 2, Item 1) (TM 43-0139).
1
2
3
M3007DAA
1
0.375 ± .01 IN. DIA. THROUGH (9.525 ± 0.254 MM)
0.875 ± .02 IN. DIA. C BORE (22.225 MM)
0.25 ± .02 IN. DEEP (6.35MM)
1.50 IN. DIA. (38.1 MM)
0.312 IN. DEEP (7.925 MM)
3 HOLES
0.137 IN.
(3.48 MM)
6.50 IN.
(165.1 MM)
2.00 IN.
(50.8 MM)
3.00 IN.
(76.2 MM)
1.5 IN.
(38.1 MM)
142.25 IN. (3,613.15 MM)
159.75 ± 25 IN. (4,057.65 MM)
152.00 IN. (3,860.8 MM)
100.5 IN. (2,552.7 MM)
58.75 IN. (1,492.25 MM)
17.00 IN. (431.8 MM)
13.75 IN. (349.25 MM)
12.00 IN. (304.8 MM)
Figure 2.
Cargo Frame Fabrication.
TM 9-2320-272-23-4
0593
0593-2
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