GAI-Tronics Smart 707-001-EX-F07045 Wartungshandbuch - Seite 9

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Model 707-001-EX-F07045 SmartSeries Hazardous Area Speaker Amplifier Enclosure

Maintenance

Regular inspection and a good preventive maintenance program will increase the reliability of your

GAI-Tronics station. The GAI-Tronics Field Service Department can formulate a service contract suited

to your facility's specific need for preventive maintenance.

In addition, the following procedure can be used to keep Page/Party

WARNING

Before performing any of the following preventive maintenance steps, remove all power from the

station.

CAUTION

To reduce the risk of ignition of hazardous atmospheres, disconnect the equipment from the supply

circuit before making any adjustments to the amplifier's handset level.

1. Remove the amplifier from the enclosure.

2. Visually check the interior of the enclosure for signs of contamination such as dust, condensation or

process liquid.

3. Using the No. 10440-002 Maintenance Cable, plug the amplifier into the connector in the enclosure.

Check, and if necessary, adjust the amplifier to maximize performance.

4. Reinstall the amplifier in the enclosure. Ensure that all gaskets and hardware are in place. Failure to

install the gaskets, which also act as spacers, can result in damage to the connectors on the amplifiers

and inside the enclosures and can cause system faults.

Inspect and clean the machined flange flame joint surfaces of both the cover and box. Surfaces must be

smooth, free of nicks, scratches, dirt or any foreign particle build-up that would prevent a proper seal.

Surfaces must seat fully against each other to provide a proper explosion-proof joint. Clean surfaces by

wiping with a clean lint-free cloth.

Apply a light coat of Killark "LUBG" lubricant to flange surfaces and close the cover. Install and tighten

all cover bolts to 30 ft-lbs. Make certain no cover bolts are omitted. Use only those bolts supplied with the

enclosure.

It may become necessary to re-terminate some or all of the enclosures in a system. If so, strip the wires

back to clean copper and connect only one wire to each connector to allow for easier future

troubleshooting.

: Refer to the Killark Installation, Operation, and Maintenance Data Sheet enclosed with the unit for

OTE

additional information.

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Pub. 42004-703L2A

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systems operating effectively.

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