Martin Sprocket & Gear Bucket Elevator Safety - Manual (Page 14)

Operation
PROBLEM POSSIBLE CAUSE
Elevator Vibrates 1. Foreign matter in boot
2. Excessively tight chain/belt
3. Excessively loose chain/belt
4. Loose or broken buckets
5. Buckets hitting bibb plate
6. Misaligned elevator head and boot shaft
7. Elevator is not adequately braced. See para. F., installation
8. Chain/belt hitting inside of casing when casing is not plumb
Elevator Will Not Start 1. Obstruction in boot
2. Electrical problem
3. Backstop incorrectly installed
4. Broken V-Belts or drive chains
5. Reducer failure
6. Boot excessively plugged with material
7. Excessively tight chain/belt
Pillow Blocks Get Hot 1. Over lubrication
2. Under lubrication
3. Excessive chain/belt tension
4. Misalignment of head shaft pillow blocks
5. Misalignment between head and boot shaft
Elevator Not Discharging Properly 1. Speed incorrect - consult factory
2. Air cushion - vent compartment being discharged into
3. Light fluffy materials - reduce speed up to 15%
4. Certain materials may require perforated buckets*
5. Some materials may be affected by static electricity*
*Consult Factory
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