Generac Power Systems MLG8K, Operating Manual

Page: 11 / 24

11
GENERATOR START UP
Before starting the generator, carefully read the prestart checklist. Make sure that all of the items are checked before
trying to start the generator. This check list applies for both manual and remote starting of the generator.
PRESTART CHECKLIST
 Make sure the engine start switch is in the “OFF/O” position.
 Make sure the circuit breakers (main and equipment) are switched “OFF/O”.
 Check that the generator is properly grounded to a good earthen ground per local and NEC regulations.
 Make sure the generator is sitting level.
 Check for any water inside, on, or near the generator. Dry the unit before starting.
 Check engine oil level, engine coolant level and engine battery connections.
 Check engine fan belt tension and condition.
 Check engine fan belt guard.
 Check engine exhaust system for loose or rusted components.
 Are any of the generator covers loose or missing?

Are all preventive maintenance procedures up to date?

Check that the battery disconnect switch in on, if equipped.
ENGINE STARTING AND OPERATION
1. Check engine oil, fuel and coolant levels.
Note: If the engine was run out of fuel or the fuel tank was drained, it may be necessary to bleed the fuel lines. Refer
to the engine operator’s manual supplied with the unit.
2. Check the condition of the electrical cord on the inside of the unit.
3. Check that the main circuit breaker and individual circuit breakers for each of the outlets are in the “OFF/O” position.
Note: When the red “TURN MAIN BREAKER OFF” light is illuminated, the main circuit breaker must be turned “OFF/
O”.
4. Turn the key on the engine start switch to the left “GLOW PLUG” position and hold the key in place for five
seconds. Turn the key to the right “START” position and hold it until the engine cranks and starts running. Release
the key, it will move to the “RUN” position.
Note: Refer to the engine operator’s manual for cold weather glow plug intervals.
Do not crank the engine longer than 10 seconds at a time. If the engine does not start, wait
30 seconds to allow the starter motor to cool and then repeat the starting procedure.
Excessive cranking will cause damage to the starter.
Note: If oil pressure is not obtained within 15 seconds after the key is switched to the “RUN” position, the low-oil
automatic shutdown will turn off the fuel supply, stopping the engine. Check the oil level and turn the key to the
“OFF” position to reset the oil pressure timer before attempting to restart the engine.
5. Once the engine is running, allow it to reach normal operating temperature before switching on any loads.
GLOW
PLUG
OFF
RUN
START
RELEASE KEY
GLOW
PLUG
OFF
RUN
START
ACTIVATE GLOW PLUGS
GLOW
PLUG
OFF
RUN
START
CRANK ENGINE TO START
00203