Raven GEN 4000, Owner'S Manual

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2 7
Fuel Sediment Cup Cleaning
Turn the fuel valve to the OFF position.
Remove the sediment cup, O-ring and
strainer according to the arrow direction.
Clean the sediment cup, O-ring, and
strainer in nonflammable or high flash
point solvent
Reinstall the O-ring and strainer and
screw back the sediment cup.
Turn the fuel valve ON and check for
leaks
Spark Plug Service
Recommended spark plugs: F6RTC
or other equivalents.
1. Remove the spark plug cap.
2. Use the plug wrench to remove the
spark plug.
3. Visually inspect the spark plug to see if
the insulator is cracked, if so, replace it
with a new spark plug.
4. Measure the plug gap with a feeler gauge.
Correct as necessary by carefully bending
the side electrode. The gap should be:
0.70-0.80 mm.
5. Check the spark plug washer to ensure
proper working condition
6. Reinstall spark plug and tighten to 18 to
21 ft-lbs torque. DO NOT overtighten as
this may damage the engine.
FUEL VALVE
SEDIMENT
STRAINER
O-RING
SEDIMENT
NOTICE
Please use the spark plug in a suitable heat range.