Retransfer And Shutdown; Operating Unit With Automatic Transfer Switch; Maintenance; Service Schedule - Generac Power Systems 006071-0 Owner's Manual

RETRANSFER AND SHUTDOWN

For additional information, refer to the applicable control panel
manual for this unit, as well as any literature pertaining to the
transfer switch.
To transfer the load back to the utility power source and shut down
the generator, follow these directions:
• Set the standby generator's main line circuit breaker to its OFF
(or OPEN) position.
• Manually move the transfer switch handle to its UTILITY (NOR-
MAL) position, i.e., load circuits connected to the utility.
• Turn ON the utility power supply to the transfer switch, using
the means provided (such as the utility power source main line
circuit breaker).
• Let the generator run at no-load for a few minutes to stabilize
internal temperatures.
• Shut down the generator.
OPERATING UNIT WITH AUTOMATIC
TRANSFER SWITCH
If the generator has been installed along with an automatic transfer
switch, such as a GTS-type switch, the engine may be started and
stopped automatically or manually.
Refer to the applicable manual for the transfer switch and to
"Transfer Switch Start Signal Connections". In addition, please
note the dangers under "Engine Start-up and Transfer."

SERVICE SCHEDULE

AUTHORIZED OPERATOR MAINTENANCE FUNCTIONS

Every Month or 100 Hours
• Test standby generator system.
• Inspect battery (batteries) and cables.
• Check engine oil level.
• Check gearbox oil level (if so equipped).
• Check engine coolant level.
• Check generator ground connections.
• Test/inspect starting aids.
Every Three Months or Every 120 Hours
• Inspect and test fuel system and connections.
• Inspect exhaust system.
• Inspect/test fuel supply system.
NOTE:
(whichever comes first)
(whichever comes first)
AUTHORIZED SERVICE TECHNICIAN MAINTENANCE
FUNCTIONS
After First 30 Hours of Operation
• Inspect wiring.
• Change engine crankcase oil and oil filter.
• Inspect engine fan belts.
• Inspect battery (batteries) and cables.
Every Six Months or Every 200 Hours
• Lubricate engine controls.
• Service engine air cleaner.
• Service engine fuel filter.
• Inspect AC generator.
• Test engine safety controls.
• Inspect fan belts.
• Check engine coolant level.
• Inspect engine cooling system hoses.
• Check optional starting aids.
• Check battery (batteries).
• Check electrical connections.
• Check/test annunciator panel.
• Perform operational test.
Annually or Every 600 Hours
• Change engine oil and filter.
• Inspect all wiring.
• Test engine starter operation.
• Drain water from fuel tank.
• Retorque fan bolts.
• Drain and refill gearbox (if so equipped).
Every Two Years
• Replace all rubber hoses.
• Replace engine fan belts.
• Inspect the Standby Generator System.
• Drain, flush, refill cooling system.
Every 1,000 Operating Hours
• Inspect engine DC alternator.
• Inspect engine starter.
• Retorque engine mounting brackets.
• Remove/test fuel injection pump (mechanical only).
• Remove/test cooling system thermostat.
As Required
• Bleed engine fuel system.

Maintenance

(whichever comes first)
(whichever comes first)
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