Benchmark BG4000i, User Manual

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injuries to electrical workers during a power outage, and when the
utility power is restored, the generator may explode or cause fires. The
generator shall be connected through transfer equipment that switches
all conductors other than the equipment grounding conductor. The
frame of the generator shall be connected to an approved grounding
electrode.
This unit is floating neutral. The generator (stator winding) is isolated
from the frame and from the AC receptacle ground pin.
Electrical devices that require a grounded receptacle pin connection will
not function if the receptacle ground pin is not functional.
1.3 MAINTENANCE SAFETY
WARNING!
After any maintenance is performed, wash hands immediately using
soap and clean water because repeated exposure to lubricant may
cause skin irritation.
Do not clean the filter element with flammable liquids like gasoline
because an explosion may occur.
Turn off the engine and allow the generator to cool down before
performing any maintenance. Failure to do so can cause severe
personal injury or death.
Always wear safety glasses when cleaning the generator set with air.
Do not clean the generator set with a pressure washer because it can
damage the generator set.
When working with batteries, ventilate the area, use safety glasses, do
not smoke. Always disconnect the negative first and reconnect it last.
Use rubber gloves when coming into contact with engine oil.
Always stop the generator set before removing the oil filler cap.
Only qualified maintenance personnel with knowledge of fuels,
electricity, and machinery hazards should perform maintenance
procedures.
See Chapter 7.1 for maintenance schedule.
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