Baldor ISO9001 manual OVERHEATING continued, Mechanical Noise

Models: ISO9001

1 48
Download 48 pages 26.34 Kb
Page 39
Image 39

OVERHEATING (continued)

CAUSE

CHECK AND REMEDY

High room temperature.

Improve ventilation.

Insufficient circulation.

Provide cross-ventilation.

Low power factory.

Reduce inductive loads or install power factor

 

improvement capacitors.

Unbalanced load

The load on each leg should be as evenly balanced as

 

possible and should not exceed the rated current on

 

any leg.

Dry bearing.

Replace bearing.

 

MECHANICAL NOISE

CAUSE

CHECK AND REMEDY

Defective bearing.

Replace bearing.

Rotor scrubbing on stator.

Bad bearing; replace. Bent shaft, return to factory.

 

Loosen end bell, tighten; loose drive discs, tighten.

Loose laminations.

Return to factory.

Loose or misaligned coupling.

Tighten or align.

GENERATOR FRAME PRODUCES SHOCK WHEN TOUCHED

CAUSE

CHECK AND REMEDY

Static charge.

Ground generator frame.

Grounded armature or field coil.

Return to factory for repair.

Page 39
Image 39
Baldor ISO9001 manual OVERHEATING continued, Mechanical Noise, Generator Frame Produces Shock When Touched