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 ELECTRICAL
Motors and Generators-Continued
inadequate personnel guards, fences
insufficient, missing, or illegible signs, identification, or operating
instructions
n Housekeeping: Identify need to remove oil and solvent cans, oil or
solvent soaked rags and waste, other combustibles, particularly those near
commutating machinery. Identify need to remove obstructions that may
interfere with rotation or ventilation:
dust, dirt, airborne grit, sand
dripping oil, water, other fluids
vapors
rust
corrosion
peeling, scratches, abrasions or other damage to painted surfaces
n Machine Operation:
noisy
unbalanced
rubbing
excessive vibration
rattling parts
n Structural Supports:
inadequate
cracks
settlement
defective or inadequate vibration pads, shockmounts and dampers
loose, dirty or corroded bolts and fittings
n Ventilation:
dirty
inadequate amount of air passing through machine
dirty
clogged
7-31
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