2 25-hour check-up, 3 attention required after submersion, 4 operation in high grass – Generac Power Systems 4270-0 User Manual
Page 13: Or brush, 5 effects of moisture and dirt
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Section 2 - Operation
QUIETPACT" 75D Recreational Vehicle Generator
OPERATION
♦ 2.8.2 25-HOUR CHECK-UP
After the 25-hour break-ln period, contact a Generac
Authorized Service Dealer for the following mainte
nance. The vehicle owner is responsible for all
charges:
• Change the engine crankcase oil and oil filter.
• Check all fluid levels (engine coolant, fuel,
battery electrolyte fluid).
• Visually inspect the unit for any leaks or loose
hardware.
• Inspect the exhaust tailpipe for any leaks or
damage.
♦ 2.8.3
ATTENTION
REQUIRED
AFTER SUBMERSION
If the recreational vehicle generator has been sub
merged in water, it MUST NOT be started and oper
ated. Following any submersion in water, have a
Generac Authorized Service Dealer thoroughly clean
and dry the generator.
♦ 2.8.4 OPERATION IN HIGH GRASS
________ OR BRUSH_____________________________
Never operate the generator while the vehicle is
parked over high grass, weeds, brush, leaves or any
other combustible substance. Such materials can
ignite and burn from the heat of the exhaust system.
The generator exhaust system becomes extremely hot
during operation and remains hot for a long time
after it has shut down.
♦ 2.8.5 EFFECTS OF MOISTURE AND DIRT
Keep the generator set as clean and dry as possible.
Protect the unit against excessive dust, dirt, corro
sive vapors, road splash, etc. Permitting dirt and
moisture to accumulate on generator windings will
have an adverse effect on the insulation resistance
of those windings.
When moisture is allowed to remain in contact with
windings, some of the moisture will be retained in
voids and cracks in the insulation. This causes a
reduced insulation resistance and will eventually
cause problems. Dirt will make the problem worse,
since dirt tends to hold moisture in contact with
windings. Salt (as from sea air) also will worsen the
problem since it tends to absorb moisture from the
air. Salt and moisture, when combined, form a good
electrical conductor.
Generac* Power Systems, Inc. 1 1