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Pellerin Milnor Corporation
Figure 8. Pulley Groove Condition
Views of Incorrect and Correct Condition
Legend
1. Incorrect: Too much pulley wear. The belt touches the bottom of the groove.
2. Correct: The belt does not touch the bottom of the groove.
3. Use a sheave (pulley) gage to see if grooves are worn.
Pulley and Shaft Position
BNUUUM02.C04 0000274609 A.3 A.4 A.2 2/4/20 8:08 AM Released
Align To adjust parts until they are in a correct position to other parts.
• Always align components when you replace a motor, bearing housing, pulley, or belt.
• The belts must not twist or make unusual noises or show vibration.
Figure 9. Pulley and Shaft Position
Views of Incorrect and Correct Positions
Legend
1. Not aligned: Pulley grooves are in different planes.
2. Not aligned: Pulley grooves are in different planes and shafts are not parallel.
3. Not aligned: Pulley shafts are not parallel (not at the same slope).
4. Aligned: Pulley grooves are in the same plane and shafts are parallel.
Drive Assemblies
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