
Pellerin Milnor Corporation
29
Condition of Grooves on Pulleys
BNUUUM02.C03 0000274611 A.4 A.2 2/4/20 8:08 AM Released
Replace a pulley if:
•
the grooves have burrs, cracks, or worn areas that can cause damage to the belts.
•
the belts touch the bottom of the groove at any point (
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.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.
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