Torque Specifications - Blizzard Snowplow 760HD Installation And Owner's Manual

TORQUE CHART
CAUTION
Read instructions before assembling.
Fasteners should be finger 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 Identification for J429–Grade 5 Bolt
SAE J429 Grade 5 Torque Values
Nominal Clamp Loads
Thread Size (lbs)
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 Identification for Metric–Grade 8.8 Bolt
Metric Class 8.8 Torque Values
Diameter Clamp Loads
(mm) (lbs)
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. 00

TORQUE SPECIFICATIONS

Tightening Torque
"Lubricated" "Dry"
6 ft-lbs 8 ft-lbs
13 ft-lbs 18 ft-lbs
23 ft-lbs 31 ft-lbs
37 ft-lbs 50 ft-lbs
57 ft-lbs 75 ft-lbs
82 ft-lbs 109 ft-lbs
113 ft-lbs 151 ft-lbs
200 ft-lbs 266 ft-lbs
321 ft-lbs 430 ft-lbs
482 ft-lbs 640 ft-lbs
Tightening Torque
"Lubricated" "Dry"
3 ft-lbs 5 ft-lbs
6 ft-lbs 8 ft-lbs
10 ft-lbs 13 ft-lbs
14 ft-lbs 19 ft-lbs
28 ft-lbs 37 ft-lbs
49 ft-lbs 65 ft-lbs
77 ft-lbs 103 ft-lbs
125 ft-lbs 167 ft-lbs
172 ft-lbs 229 ft-lbs
244 ft-lbs 325 ft-lbs
Grade Identification for J429–Grade 8 Bolt
SAE J429 Grade 8 Torque Values
Nominal Clamp Loads
Thread Size (lbs)
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 Identification for Metric–Grade 10.9 Bolt
Metric Class 10.9 Torque Values
Diameter Clamp Loads
(mm) (lbs)
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
9
Tightening Torque
"Lubricated" "Dry"
9 ft-lbs 12 ft-lbs
18 ft-lbs 25 ft-lbs
32 ft-lbs 44 ft-lbs
53 ft-lbs 70 ft-lbs
80 ft-lbs 107 ft-lbs
115 ft-lbs 154 ft-lbs
159 ft-lbs 211 ft-lbs
282 ft-lbs 376 ft-lbs
454 ft-lbs 606 ft-lbs
680 ft-lbs 900 ft-lbs
Tightening Torque
"Lubricated" "Dry"
5 ft-lbs 7 ft-lbs
8 ft-lbs 11 ft-lbs
14 ft-lbs 19 ft-lbs
20 ft-lbs 27 ft-lbs
40 ft-lbs 53 ft-lbs
70 ft-lbs 92 ft-lbs
111 ft-lbs 148 ft-lbs
173 ft-lbs 231 ft-lbs
238 ft-lbs 317 ft-lbs
338 ft-lbs 450 ft-lbs
April 1, 2006