ADJUSTMENTS 3
GB-11
3.7
TORQUE SPECIFICATION ___________________________________________________
Jacobsen uses Grade 5 bolts as standard, unless otherwise noted.
3.8
SPECIFIC TORQUE ________________________________________________________
1.
Ball joints: 30-35 ft-lb (40.5 - 47.2 Nm).
2.
Bedknife shoe: 25 - 37 ft-lb (34 - 50 Nm).
3.
Steering wheel nut: 25 - 30 ft-lb (34 - 41 Nm).
4.
Wheel Bolts: 65 - 85 ft lb (88 - 115 Nm).
CAUTION
All torque values included in these charts are approximate and are for reference only. Use of these torque values is
at your sole risk. Jacobsen is not responsible for any loss, claim, or damage arising from the use of these charts.
Extreme caution should always be used when using any torque value.
AMERICAN NATIONAL STANDARD FASTENERS
SIZE
UNITS
GRADE 5
GRADE 8
#6-32
in-lbs (Nm)
20 (2.3)
–
#8-32
in-lbs (Nm)
24 (2.7)
30 (3.4)
#10-24
in-lbs (Nm)
35 (4.0)
45 (5.1)
#10-32
in-lbs (Nm)
40 (4.5)
50 (5.7)
#12-24
in-lbs (Nm)
50 (5.7)
65 (7.3)
1/4-20
in-lbs (Nm)
95 (10.7)
125 (14.1)
1/4-28
in-lbs (Nm)
95 (10.7)
150 (17.0)
5/16-18
in-lbs (Nm)
200 (22.6)
270 (30.5)
5/16-24
in-lbs (Nm)
240 (27.1)
300 (33.9)
3/8-16
ft-lbs (Nm)
30 (40.7)
40 (54.2)
3/8-24
ft-lbs (Nm)
35 (47.5)
45 (61.0)
7/16-14
ft-lbs (Nm)
50 (67.8)
65 (88.1)
7/16-20
ft-lbs (Nm)
55 (74.6)
70 (94.9)
1/2-13
ft-lbs (Nm)
75 (101.7)
100 (135.6)
1/2-20
ft-lbs (Nm)
85 (115.3)
110 (149.2)
9/16-12
ft-lbs (Nm)
105 (142.4)
135 (183.1)
9/16-18
ft-lbs (Nm)
115 (155.9)
150 (203.4)
5/8-11
ft-lbs (Nm)
150 (203.4)
195 (264.4)
5/8-18
ft-lbs (Nm)
160 (217.0)
210 (284.8)
3/4-10
ft-lbs (Nm)
170 (230.5)
220 (298.3)
3/4-16
ft-lbs (Nm)
175 (237.3)
225 (305.1)
7/8-14
ft-lbs (Nm)
300 (406.8)
400 (542.4)
AMERICAN NATIONAL STANDARD FASTENERS
SIZE
UNITS
GRADE 5
GRADE 8
METRIC FASTENERS
SIZE
UNITS
Non Critical
Fasteners into
Aluminum
M4
Nm (in-lbs)
1.2 (11)
1.7 (15)
2.9 (26)
4.1 (36)
5.0 (44)
2.0 (18)
M5
Nm (in-lbs)
2.5 (22)
3.2 (28)
5.8 (51)
8.1 (72)
9.7 (86)
4.0 (35)
M6
Nm (in-lbs)
4.3 (38)
5.7 (50)
9.9 (88)
14.0 (124)
16.5 (146)
6.8 (60)
M8
Nm (in-lbs)
10.5 (93)
13.6 (120)
24.4 (216)
33.9 (300)
40.7 (360)
17.0 (150)
M10
Nm (ft-lbs)
21.7 (16)
27.1 (20)
47.5 (35)
66.4 (49)
81.4 (60)
33.9 (25)
M12
Nm (ft-lbs)
36.6 (27)
47.5 (35)
82.7 (61)
116.6 (86)
139.7 (103)
61.0 (45)
M14
Nm (ft-lbs)
58.3 (43)
76.4 (55)
131.5 (97)
184.4 (136)
219.7 (162)
94.9 (70)
4.8
5.8
8.8
10.9
12.9
Summary of Contents for Groom Master II
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