Trane QFNA-IOM-1 - Manual (Page 28)

28 QFNA-IOM-1
Bearing Service
Figure 15—Link-Belt Series 6800 Spherical
Roller Bearing Figure 16—Check Bearing Clearance
Table 13—Recommended Cap Nut and Cap Bolt Tightening Torques for
Link-Belt 6800 Series Bearings (Cast Iron Pillow Blocks)
Pillow Block Range Bore Size (Inches) Torque Ft/Lb
P-LB 6823 thru P-LB 6840 1-7/16 - 2-1/2 45 - 50
P-LB 6841 thru P-LB 6852 2-9/16 - 3-1/4 90 -100
P-LB 6853 thru P-LB 6856 3-5/16 - 3-1/2 160 -180
P-LB 6857 thru P-LB 6864 3-9/16 - 4 90 - 100
P-LB 6865 thru P-LB 6872 4-1/16 - 4-1/2 160 - 180
P-LB 6873 thru P-LB 68104 4-9/16 - 6-1/2 400 - 440
Figure 18—Using a Brass Bar and Hammer
to Relieve Thread Pressure Figure 17—Tightening the Lock Nut