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 ELECTRICAL
Rectifiers-Continued
n Wiring:
broken
damaged
deteriorated
missing insulation or clamps
corroded or mechanically damaged conduit
cracked or broken sleeves on floor or wall bushings
METALLICRECTIFIERS
n Electric Meters:
Record readings from all AC and DC ammeters and voltmeters.
Report if supply voltage is more than 5% below or above nameplate
rating. Report defective meters
n Temperature:
Record readings of water temperature indicators, if provided. On
indoor installations record ambient temperature at apparent hottest
point five feet from units. Report if temperature of cooling water is
more than 10% above that recommended by manufacturer
n Fan:
dirt
excessive vibration
loose hold-down bolts
loose or worn bearings
inadequate or improper lubrication
MERCURY-ARC RECTIFIERS
n Meters and Gages:
illegible
inadequate lighting
cracked, broken, dirty or badly stained viewport glasses
7-43
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