SECTION 9 TORQUE SPECIFICATIONS
9-2 DD-29/31HF/38HF Vibratory Asphalt Compactors
TORQUE SPECIFICATIONS
SAE TORQUE CHART
Use the following Recommended Torque Chart for bolts and nuts of SAE Grade 5 or better
quality. If other torques are required, they will be indicated in the text.
NOTE: Torque values are based on plated, yellow zinc, dichromate bolts.
NOTE: Use Loctite™ 271 on all bolts larger than 5/16. Use Loctite™ 242
on bolts 5/16 and smaller. Apply enough Loctite™ to fill all gaps between
the engaged bolt and nut threads.
All thread fasteners will be Loctited except the following:
1. Nylon insert nuts
2. Whizlock bolts and nuts
3. Fasteners less than ¼ inch (6 mm) diameter
4. If instructed not to apply Loctite
BOLT
(COURSE)
TORQUE
BOLT
(FINE)
TORQUE
lbs.-ft. N-m lbs.-ft. N-m
1/4 - 20 9 12 1/4 - 28 1 1
5/16 - 18 19 26 5/16 - 24 1 2
3/8 - 16 37 50 3/8 - 24 2 5
7/16 - 14 59 80 7/16 - 20 6 8
1/2 - 13 90 122 1/2 - 20 00 13
9/16 -12 130 176 9/16 - 18 45 19
5/8 - 11 180 244 5/8 - 18 05 27
3/4 - 10 320 434 3/4 - 16 55 48
7/8 - 9 515 698 7/8 - 14 70 77
1 - 8 775 1051 1 - 12 45 114
1 1/8 - 7 1100 1492 1 1/8 - 12 230 166
1 1/4 - 7 1540 2088 1 1/4 - 12 710 231
1 3/8 - 6 2020 2739 1 3/8 - 12 300 311
1 1/2 - 6 2690 3648 1 1/2 - 12 020 409
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