Product Manual A

4. Operation 11-2017

TABLE 8. PLANNED MAINTENANCE

Disconnect All Sources of AC Power:

1. Disconnect both AC power sources from the transfer switch before continuing. Turn the generator set operation

selector switch to Stop. (The selector switch is located on the generator set control panel.)

2. If there is an external battery charger, disconnect it from its AC power source. Then disconnect the set starting

battery (negative [-] lead first).

Clean:

1. Thoroughly dust and vacuum all controls, meters, switching mechanism components, interior buswork and

connecting lugs.

2. Close the cabinet door and wash exterior surfaces with a damp sponge (mild detergent and water).

WARNING

Do not allow water to enter the cabinet, especially at meters, lamps and switches.

Inspect:

1. Check bus work and supporting hardware for carbon tracking, cracks, corrosion or any other types of

deterioration. If replacement is necessary, contact your dealer or distributor.

2. Check stationary and movable contacts. If contact replacement is necessary, contact your dealer or distributor.

3. Check system hardware for loose connections.

4. Check all control wiring and power cables (especially wiring between or near hinged door) for signs of wear or

deterioration.

5. Check all control wiring and power cables for loose connections.

6. Check the cabinet interior for loose hardware.

Perform Routine Maintenance:

1. Tighten bus work, control wiring, power cables and system hardware as necessary.

NOTICE

Hardware torque values are given in the Service Manual.

2. Re-torque all cable lug connections.

NOTICE

Lug torque requirements are listed in the Service Manual.

Connect AC Power and Check Operation:

1. Connect the set starting battery (negative [-] lead last). Connect the utility AC power source, enable the

generator set power source. If applicable, connect power to the battery charger.

2. Verify proper operation of the battery charger.

3. Test system operation as described in this section. Close and lock the cabinet door.