Torque Specification; Specific Torque - Jacobsen super lf 1880 Dealer's Manual

5 ADJUSTMENTS

5.17 TORQUE SPECIFICATION __________________________________________________________________

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
Jacobsen uses Grade 5 bolts as standard, unless otherwise noted.
AMERICAN NATIONAL STANDARD FASTENERS
SIZE UNITS
#6-32 in-lbs (Nm)
#8-32 in-lbs (Nm)
#10-24 in-lbs (Nm)
#10-32 in-lbs (Nm)
#12-24 in-lbs (Nm)
1/4-20 in-lbs (Nm)
1/4-28 in-lbs (Nm)
5/16-18 in-lbs (Nm)
5/16-24 in-lbs (Nm)
3/8-16 ft-lbs (Nm)
3/8-24 ft-lbs (Nm)
SIZE UNITS
M4 Nm (in-lbs)
M5 Nm (in-lbs)
M6
Nm (in-lbs)
M8 Nm (in-lbs)
M10
Nm (ft-lbs)
M12
Nm (ft-lbs)
M14 Nm (ft-lbs)

5.18 SPECIFIC TORQUE ________________________________________________________________________

1. Ball joints: 30-35 ft-lb (40.5 - 47.2 Nm).
2. Bedknife shoe: 25 - 37 ft-lb (34 - 50 Nm).
20
when using any torque value.
GRADE 5 GRADE 8
20 (2.3) –
24 (2.7) 30 (3.4)
35 (4.0) 45 (5.1)
40 (4.5) 50 (5.7)
50 (5.7) 65 (7.3)
95 (10.7) 125 (14.1)
95 (10.7) 150 (17.0)
200 (22.6) 270 (30.5)
240 (27.1) 300 (33.9)
30 (40.7) 40 (54.2)
35 (47.5) 45 (61.0)
METRIC FASTENERS
4.8 5.8
1.2 (11) 1.7 (15)
2.5 (22) 3.2 (28)
4.3 (38) 5.7 (50)
10.5 (93) 13.6 (120)
21.7 (16) 27.1 (20)
36.6 (27) 47.5 (35)
58.3 (43) 76.4 (55)
NOTICE
AMERICAN NATIONAL STANDARD FASTENERS
SIZE UNITS
7/16-14 ft-lbs (Nm)
7/16-20 ft-lbs (Nm)
1/2-13 ft-lbs (Nm)
1/2-20 ft-lbs (Nm)
9/16-12 ft-lbs (Nm)
9/16-18 ft-lbs (Nm)
5/8-11 ft-lbs (Nm)
5/8-18 ft-lbs (Nm)
3/4-10 ft-lbs (Nm)
3/4-16 ft-lbs (Nm)
7/8-14 ft-lbs (Nm)
8.8 10.9
2.9 (26) 4.1 (36)
5.8 (51) 8.1 (72)
9.9 (88) 14.0 (124)
24.4 (216) 33.9 (300)
47.5 (35) 66.4 (49)
82.7 (61) 116.6 (86)
131.5 (97) 184.4 (136)
3. Steering wheel nut: 25 - 30 ft-lb (34 - 41 Nm).
4. Wheel Bolts: 85-95 ft.lbs. (115-128 Nm) .
GRADE 5 GRADE 8
50 (67.8) 65 (88.1)
55 (74.6) 70 (94.9)
75 (101.7) 100 (135.6)
85 (115.3) 110 (149.2)
105 (142.4) 135 (183.1)
115 (155.9) 150 (203.4)
150 (203.4) 195 (264.4)
160 (217.0) 210 (284.8)
170 (230.5) 220 (298.3)
175 (237.3) 225 (305.1)
300 (406.8) 400 (542.4)
Non Critical
Fasteners into
12.9
Aluminum
5.0 (44) 2.0 (18)
9.7 (86) 4.0 (35)
16.5 (146) 6.8 (60)
40.7 (360) 17.0 (150)
81.4 (60) 33.9 (25)
139.7 (103) 61.0 (45)
219.7 (162) 94.9 (70)