PAGE 1-4
CHAPTER 2 MAINTENANCE
NMC-WOLLARD
2021 Truax Blvd. Eau Claire, WI 54703 ● P: 715-835-3151● F: 715-835-6625 ● www.nmc-wollard.com
TML-704H Maintenance Lift Manual No. 310547
1 SERVICING
1.4 BOLT TIGHTENING DATA
The following data is excerpted from SAE Report J1701, March, 1999. The
complete report is available from SAE at www.sae.org. It contains detailed
information about variables for torquemanagement to achieve correct fastener joint
tightening. This is an advisory guide and responsibility for its application lies with
the user. Individual application discretion is recommended.
INCH TIGHTENING TORQUE, IN-LB
Bolt Size Grade 2 Dry Grade2
Lubed
Grade 5 Dry Grade 5
Lubed
Grade 8 Dry Grade 8
Lubed
0.250-28 75 56.0 116.0 87.0 164 123
0.250-20 66.0 49.0 101.0 76.0 143 107
0.3125-24 150.0 112.0 230.0 173.0 327 245
0.3125-18 135.0 101.0 209.0 157.0 295 221
0.375-24 272 204.0 420.0 315.0 593 445
0.375-16 240 180 370 278.0 523 392
0.4375-20 428.0 321.0 662.0 496.0 935 700
0.4375-14 384 288 593.0 445.0 837 628
0.500-20 660.0 495.0 1020.0 764.0 1440 1080
0.500-13 585.0 439.0 904.0 678.0 1277 958
0.5625-18 78 59 121 91 171 128
0.5625-12 70 53 109 82 154 115
0.625-18 110 82 170 127 240 180
0.625-11 97 73 150 113 212 159
0.750-16 192 144 297 223 420 315
0.750-10 172 129 269 201 376 282
1.000-12 -- -- 704 528 995 746
1.000-8 -- -- 644 483 909 681
SEPTEMBER 01, 2015
Property of American Airlines
To Next Page
Loading...
Need help?
General