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 ELECTRICAL
Rectifiers-Continued
n Water Cooling Systems:
leaks
rust
corrosion
mechanical damage
excessive vibration
n Pumps, Fans, and Motors:
leaks
excessive vibration
loose or missing hold-down bolts
deteriorated mounting pads or shock pads
inadequate or improper lubrication
tive maintenance inspections are adequate. Check for:
n Relays (General):
dirty
evidence of moisture
high temperature
other adverse conditions
visible corrosion
deterioration or pitting of contacts, pivots, and coils
broken or loose parts and connections
n Temperature and Pressure Relay:
settings at improper temperature and pressure limits
evidence of damaging temperature or pressure conditions
7-44
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