Trane LPC Install And Operation Instructions page 108

108
Maintenance
Table M-A-7 . Recommended Torques for Tightening Bearings Thrust Collar
unit SKF
size in-lbs ft-lbs N-m
3 66 - 80 5.5 - 6.7 7 .5 - 9.0
6 66 - 80 5.5 - 6.7 7 .5 - 9.0
8 66 - 80 5.5 - 6.7 7 .5 - 9.0
10 66 - 80 5.5 - 6.7 7 .5 - 9.0
12 87 7 .25 9.83
14 87 7 .25 9.83
17 165 13.75 18.64
21 165 13.75 18.64
Table M-A-8 Minimum Torques for Bearing
Mounting Bolts, Belt Tightening
Bolts and Motor Mounting Bolts
Size Inch Lbs. Foot Lbs.
1/40-20 72 6
5/16-18 168 14
3/8-16 288 24
7/16-14 504 42
1/2-13 828 69
Note: all torque values are +/- 5%.
Table M-A-10. Sheave Bushing Cap
Screw Torque
Recommendations
Screw Diameter (in.) 0.25 0.313
Screw Diameter (cm) 0.635 0.795
Torque (Inch Lbs) 95
Torque (Foot Lbs) 7 .92
Torque (N-m) 10.73 21.69
Note: all torque values are +/- 5%.
Table M-A-11. Minimum Recommended Torques for Damper Linkage Components
Item
Square head set screw - 1/4 - 20
Hex head set screw - 1/4 - 20
Hex head set screw - 5/16 - 24
Ball joint set screw - 1/4 - 28 thread
Ball joint set screw - 5/16 - 24
Note: all torque values are +/- 5%.
appendix
Browning
in-lbs ft-lbs N-m
66 - 85 5.5 - 7 .1 7 .5 - 9.6
66 - 85 5.5 - 7 .1 7 .5 - 9.6
66 - 85 5.5 - 7 .1 7 .5 - 9.6
66 - 85 5.5 - 7 .1 7 .5 - 9.6
N/A N/A N/A
N/A N/A N/A
N/A N/A N/A
N/A N/A N/A
Table M-A-9. Sheave Set Screw
Torque Recommendations
Screw Diameter (in.)
Screw Diameter (cm)
N-m
Screw Length (in.)
8.13
Screw Length (cm)
18.98
Torque (Inch Lbs)
32.54
Torque (Foot Lbs)
56.94
Torque (N-m)
93.55
Note: all torque values are +/- 5%.
0.375
0.953
192 348
16 29
39.32
Torque
Inch Lbs. Foot Lbs.
90 7 .50
65 5.42
144 12.00
40 3.33
144 12.00
NTN
in-lbs ft-lbs N-m
N/A N/A N/A
N/A N/A N/A
N/A N/A N/A
N/A N/A N/A
43 3.58 4.86
43 3.58 4.86
52 4.33 5.88
69 5.75 7 .80
0.313 0.313
0.795 0.795
</= 0.250 >/= 0.313
</= 0.635 >/= 0.795
90 165
7 .5 13.75
10.17 18.64
N-m
10.17
7 .34
16.27
4.52
16.27
LPC-SVX01C-EN