Torque Specifications - Blizzard 760HD Installation Instructions & Owner's Manual

TORQUE CHART
CAUTION
Read instructions before assembling.
Fasteners should be fi nger tight until
instructed to tighten according to the torque
chart. Use standard methods and practices
when attaching snowplow including proper
personal protective safety equipment.
Grade Identifi cation for J429–Grade 5 Bolt
SAE J429 Grade 5 Torque Values
Nominal Clamp Loads
Thread Size (lb)
1/4-20 2,000
5/16-18 3,350
3/8-16 4,950
7/16-14 6,800
1/2-13 9,050
9/16-12 11,600
5/8-11 14,500
3/4-10 21,300
7/8-9 29,435
1-8 38,600
Grade Identifi cation for Metric–Grade 8.8 Bolt
8.8
Metric Class 8.8 Torque Values
Diameter Clamp Loads
(mm) (lb)
5 1,389
6 1,965
7 2,826
8 3,579
10 5,672
12 8,243
14 11,246
16 15,882
18 19,423
20 24,784
Lit. No. B64090, Rev. 07

TORQUE SPECIFICATIONS

Tightening Torque
"Lubricated" "Dry"
6 ft-lb 8 ft-lb
13 ft-lb 18 ft-lb
23 ft-lb 31 ft-lb
37 ft-lb 50 ft-lb
57 ft-lb 75 ft-lb
82 ft-lb 109 ft-lb
113 ft-lb 151 ft-lb
200 ft-lb 266 ft-lb
321 ft-lb 430 ft-lb
482 ft-lb 640 ft-lb
Tightening Torque
"Lubricated" "Dry"
3 ft-lb 5 ft-lb
6 ft-lb 8 ft-lb
10 ft-lb 13 ft-lb
14 ft-lb 19 ft-lb
28 ft-lb 37 ft-lb
49 ft-lb 65 ft-lb
77 ft-lb 103 ft-lb
125 ft-lb 167 ft-lb
172 ft-lb 229 ft-lb
244 ft-lb 325 ft-lb
Grade Identifi cation for J429–Grade 8 Bolt
SAE J429 Grade 8 Torque Values
Nominal Clamp Loads
Thread Size (lb)
1/4-20 2,850
5/16-18 4,700
3/8-16 6,950
7/16-14 9,600
1/2-13 12,800
9/16-12 16,400
5/8-11 20,300
3/4-10 30,100
7/8-9 41,550
1-8 54,540
Grade Identifi cation for Metric–Grade 10.9 Bolt
10.9
Metric Class 10.9 Torque Values
Diameter Clamp Loads
(mm) (lb)
5 1,987
6 2,812
7 4,044
8 5,121
10 8,116
12 11,796
14 16,092
16 21,970
18 26,868
20 34,284
10
Tightening Torque
"Lubricated" "Dry"
9 ft-lb 12 ft-lb
18 ft-lb 25 ft-lb
32 ft-lb 44 ft-lb
53 ft-lb 70 ft-lb
80 ft-lb 107 ft-lb
115 ft-lb 154 ft-lb
159 ft-lb 211 ft-lb
282 ft-lb 376 ft-lb
454 ft-lb 606 ft-lb
680 ft-lb 900 ft-lb
Tightening Torque
"Lubricated" "Dry"
5 ft-lb 7 ft-lb
8 ft-lb 11 ft-lb
14 ft-lb 19 ft-lb
20 ft-lb 27 ft-lb
40 ft-lb 53 ft-lb
70 ft-lb 92 ft-lb
111 ft-lb 148 ft-lb
173 ft-lb 231 ft-lb
238 ft-lb 317 ft-lb
338 ft-lb 450 ft-lb
June 15, 2010