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RD20026
Page 9
Loading Angle Clearance Guide
Torque Specifications
IMPORTANT:
Using this guideline will reduce the chance of the towed ve-
hicles air dam, or bottom of facia from interfering with tow
dolly platform and/or tire stop.
“X”
must be less than 4.6 x
“Y”
.
Example: If
Y
measures 6”
4.6 x 6 = 27.6
X
must measure less than 21”
NOTE:
User’s responsibility for checking clearance. If “Y” is less than 3.5”, interference may occur.
Pre-Checks Before Loading
Tighten all bolts to torques specified in chart unless otherwise noted. Check tightness of bolts periodically, using bolt
chart as guide. Replace hardware with same grade bolt.
NOTE: Unless otherwise specified, high-strength Grade 5 hex bolts are used throughout assembly of equipment.
Bolt Torque for Standard bolts *
GRADE 2
GRADE 5 GRADE 8
“A”
lb-ft (N.m)
lb-ft (N.m)
lb-ft (N.m)
1/4” 6 (8)
9 (12)
12 (16)
5/16” 10 (13)
18 (25)
25 (35)
3/8” 20 (27)
30 (40)
45 (60)
7/16” 30 (40)
50 (70)
80
(110)
1/2” 45 (60)
75 (100)
115 (155)
9/16” 70 (95)
115 (155)
165 (220)
5/8” 95 (130)
150 (200)
225 (300)
3/4” 165 (225)
290 (390)
400 (540)
7/8” 170 (230)
420 (570)
650 (880)
1” 225 (300) 630 (850) 970
(1310)
CLASS 8.8
CLASS 9.8
CLASS 10.9
“A”
lb-ft (N.m)
lb-ft (N.m)
lb-ft (N.m)
6
9 (13)
10 (14)
13 (17)
7
15 (21)
18 (24)
21 (29)
8
23 (31)
25 (34)
31 (42)
10
45 (61)
50 (68)
61 (83)
12
78 (106)
88 (118)
106 (144)
14
125 (169)
140 (189)
170 (230)
16
194 (263)
216 (293)
263 (357)
18
268 (363)
-- --
364 (493)
20
378 (513)
-- --
515 (689)
22
516 (699)
-- --
702 (952)
24 654 (886)
-- --
890
(1206)
Bolt Torque for Metric bolts *
Torque figures indicated are valid for non-greased
or non-oiled threads and heads unless otherwise
specified. Therefore, do not grease or oil bolts
or capscrews unless otherwise specified in this
manual. When using locking
elements, increase torque values
by 5%.
* GRADE or CLASS value for bolts and capscrews
are identified by their head markings.
Torque Lug Nuts to 120 FT/LBS
Torque 11MM caliper bolts to 40 ft/lbs
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