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Carrier 17/19EX - Page 250

Carrier 17/19EX
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Inspect starter contact surfaces for wear or pitting on mechanical-type starters. Do not
sandpaper or file silver-plated contacts. Follow the starter manufacturer’s instructions for
contact replacement, lubrication, spare parts ordering, and other maintenance requirements.
Periodically vacuum or blow off accumulated debris on the internal parts with a high-velocity,
low-pressure blower.
Power connections on newly installed starters may relax and loosen after a month of
operation. Turn power off and retighten. Recheck annually thereafter.
Never open isolating knife switches while equipment is operating. Electrical arc-
ing can cause serious injury.
WARNING
!
WARNING
CAUTION
CAUTION
!
Loose power connections can cause voltage spikes, overheating, malfunction-
ing, or failures.

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