MHS Boilers CRUZ belt, Инструкция по установке, эксплуатации и обслуживанию, Страница: 24 / 46

CRUZbelt
24
E0032544Rev090710
TROUBLESHOOTING GUIDE – BEARINGS
Problem - Bearings Possible Cause Remedy
1. Excessive vibration Bearing brinnelled Locate and replace
2.
Bearing runs
excessively hot
No lubrication Add approved lubricant
3. Noise (intermittent) Loose mounting bolts Check security or mounting bolts
4.
Shaft rotation in bearing
bore Eccentric locking collar or hub
loose Tighten locking collar in the direction of
shaft rotation and/or tighten set screws.
5. Noise (low pitch) Bearing brinnelled Replace
6.
Rough spots felt when
rotated
Bearing worn Replace
7.
Bearing squeals or
thumps while running
Bearing has defect Replace
8. Pulley or roller does not
turn
Bearing frozen Replace bearing or complete roller
Key sheared off in pulley hub
Check loading.
Check shaft.
Replace key.
Set screws slipping on shaft Tighten and check shaft