TB-9-3950-253-13-P
PALLETIZED LOAD SYSTEM TRUCK, M1075 and M1075A1 (PLS) AND HEAVY EXPANDED MOBILITY TACTICAL TRUCK, M1120, M1120A2, AND M1120A4 (HEMTT), ENHANCED CONTAINER HANDLING UNIT (E-CHU)
TECHNICAL BULLETIN; OPERATOR AND FIELD MAINTENANCE, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LIST
JULY 2009
TB-9-3950-253-13-P - Page 672 of 704
TB 9-3950-253-13&P
0061-2
0061
CAUTION
If replacement capscrews are of higher grade than originally supplied, use torque specifications for the original.
This will prevent equipment damage due to overtorquing.
Table 1. Torque Limits - SAE Standard Fasteners.
Current Usage
Much Used
Much Used
Used at Times
Used at Times
QUALITY OF
MATERIAL
INDETERMINATE
MINIMUM
COMMERCIAL
MEDIUM
COMMERCIAL
BEST
COMMERCIAL
SAE Grade Number
1 or 2
5
6 or 7
8
Capscrew Head
Markings
Manufacturer’s
marks may vary
These are all
SAE Grade 5
(3 line)
CAPSCREW BODY
SIZE IN. - THREAD
TORQUE
LB-FT (NM)
TORQUE
LB-FT (NM)
TORQUE
LB-FT (NM)
TORQUE
LB-FT (NM)
1/4
20
28
5(
7
)
6(
8
)
8(
1
1
)
10
(14)
10
(14)
12
(16)
14
(19)
5/16
18
24
11
(15)
13
(18)
17
(23)
19
(26)
19
(26)
24
(33)
27
(37)
3/8
16
24
18
(24)
20
(27)
31
(42)
35
(47)
34
(46)
44
(60)
49
(66)
7/16
14
20
28
(38)
30
(41)
49
(66)
55
(75)
55
(75)
70
(95)
78
(106)
1/2
13
20
39
(53)
41
(56)
75
(102)
85
(115)
85
(115)
105
(142)
120
(163)
9/16
12
18
51
(69)
55
(75)
110
(149)
120
(163)
120
(163)
155
(210)
170
(231)
5/8
11
18
83
(113)
95
(129)
150
(203)
170
(231)
167
(226)
210
(285)
240
(325)
3/4
10
16
105
(142)
115
(156)
270
(366)
295
(400)
280
(380)
375
(508)
420
(569)
7/8
9
14
160
(217)
175
(237)
395
(536)
435
(590)
440
(597)
605
(820)
675
(915)
18
14
235
(319)
250
(339)
590
(800)
660
(895)
660
(895)
910
(1,234)
990
(1,342)
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