108 LPC-SVX01C-EN
Table M-A-8 Minimum Torques for Bearing
Mounting Bolts, Belt Tightening
Bolts and Motor Mounting Bolts
Size Inch Lbs. Foot Lbs. N-m
1/40-20 72 6 8.13
5/16-18 168 14 18.98
3/8-16 288 24 32.54
7/16-14 504 42 56.94
1/2-13 828 69 93.55
Note: all torque values are +/- 5%.
Table M-A-9. Sheave Set Screw
Torque Recommendations
Screw Diameter (in.) 0.313 0.313
Screw Diameter (cm) 0.795 0.795
Screw Length (in.) </= 0.250 >/= 0.313
Screw Length (cm) </= 0.635 >/= 0.795
Torque (Inch Lbs) 90 165
Torque (Foot Lbs) 7.5 13.75
Torque (N-m) 10.17 18.64
Note: all torque values are +/- 5%.
Table M-A-10. Sheave Bushing Cap
Screw Torque
Recommendations
Screw Diameter (in.) 0.25 0.313 0.375
Screw Diameter (cm) 0.635 0.795 0.953
Torque (Inch Lbs) 95 192 348
Torque (Foot Lbs) 7.92 16 29
Torque (N-m) 10.73 21.69 39.32
Note: all torque values are +/- 5%.
Table M-A-11. Minimum Recommended Torques for Damper Linkage Components
Item Torque
Inch Lbs. Foot Lbs. N-m
Square head set screw - 1/4 - 20 90 7.50 10.17
Hex head set screw - 1/4 - 20 65 5.42 7.34
Hex head set screw - 5/16 - 24 144 12.00 16.27
Ball joint set screw - 1/4 - 28 thread 40 3.33 4.52
Ball joint set screw - 5/16 - 24 144 12.00 16.27
Note: all torque values are +/- 5%.
Table M-A-7. Recommended Torques for Tightening Bearings Thrust Collar
unit SKF Browning NTN
size in-lbs ft-lbs N-m in-lbs ft-lbs N-m in-lbs ft-lbs N-m
3 66 - 80 5.5 - 6.7 7.5 - 9.0 66 - 85 5.5 - 7.1 7.5 - 9.6 N/A N/A N/A
6 66 - 80 5.5 - 6.7 7.5 - 9.0 66 - 85 5.5 - 7.1 7.5 - 9.6 N/A N/A N/A
8 66 - 80 5.5 - 6.7 7.5 - 9.0 66 - 85 5.5 - 7.1 7.5 - 9.6 N/A N/A N/A
10 66 - 80 5.5 - 6.7 7.5 - 9.0 66 - 85 5.5 - 7.1 7.5 - 9.6 N/A N/A N/A
12 87 7.25 9.83 N/A N/A N/A 43 3.58 4.86
14 87 7.25 9.83 N/A N/A N/A 43 3.58 4.86
17 165 13.75 18.64 N/A N/A N/A 52 4.33 5.88
21 165 13.75 18.64 N/A N/A N/A 69 5.75 7.80
Maintenance appendix
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