LUBRICATION & ADJUSTMENT
Torque Values
78
M1.9-14.0-002
04 Rev. 9/06
Torque Chart
Bolt
Diameter
Grade 5 Grade 8
Dry Torque Requirement Dry Torque Requirement
in ft Ib kgm Nm ft lb kgm Nm
1/4 9 ± 3 1.2 ± .4 12 ± 4 13 ± 4 1.8 ± .5 17.5 ± 5.5
5/16 18 ± 5 2.5 ± .7 24.5 ± 7 25 ± 5 3.5 ± .7 34 ± 7
3/8 32 ± 5 4.4 ± .7 43.5 ± 7 48 ± 10 6.6 ± 1.3 65 ± 13.5
7/16 50 ± 10 6.9 ± 1.4 67.5 ± 13.5 75 ± 10 10.4 ± 1.4 102 ± 13.5
1/2 75 ± 10 10.4 ± 1.4 101.5 ± 13.5 112 ± 15 15.5 ± 2.0 152 ± 20.5
9/16 110 ± 15 15.2 ± 2.0 149 ± 20.5 163 ± 20 22.5 ± 3.0 221 ± 27
5/8 150 ± 20 20.7 ± 2.8 203.5 ± 27 225 ± 30 31.1 ± 4.1 305 ± 41
3/4 265 ± 35 36.6 ± 4.8 359 ± 47.5 400 ± 50 55.2 ± 6.9 542 ± 68
7/8 420 ± 60 58.1 ± 8.3 569 ± 81 640 ± 80 88.3 ± 11.0 868 ± 108
1 640 ± 80 88.5 ± 11.1 868 ± 109 960 ± 115 132.5 ± 15.9 1300 ± 156
1 1/8 800 ± 100 110.6 ± 13.8 1085 ± 136
1 1/4 1000 ± 120 138 ± 16.6 1356 ± 163
1 3/8 1200 ± 150 166 ± 20.7 1630 ± 203
1 1/2 1500 ± 200 207 ± 27.7 2034 ± 271
Mounting bolt torque requirements
involving hydraulic valves.
5/16 13 ± 2 1.8 ± .3 17.5 ± 2.5
3/8 24 ± 2 3.3 ± .3 32.5 ± 2.5
7/16 39 ± 2 5.4 ± .3 53 ± 2.5
NOTE:Torque values called out in the maintenance section of this manual will take prece-
dence over torque values found on this page.
Crown 1979 PF5067-2 Rev. 9/06
To Next Page
Loading...