Maintenance Schedule; Fuel Recommendations - Power Fist 420cc OHV Mode D'emploi

V 4.4

MAINTENANCE SCHEDULE

This schedule applies to normal operating conditions. If you operate your engine
under severe conditions, such as sustained high-load or high-temperature
operation or use in unusually wet or dusty conditions, consult a qualified technician
for recommendations applicable to your individual needs and use.
Regular Service Period *
Performed at every indicated month
or operating hour interval, whichever
comes first.
Engine Oil
Air Cleaner
Sediment Cup
Spark Plug
Idle Speed
Valve Clearance
Combustion Chamber
Fuel Tank and Filter
Fuel Tube
* For commercial use, log hours of operation to determine proper maintenance intervals.
** Service more frequently when used in dusty areas.

FUEL RECOMMENDATIONS

NOTICE! Do not use unapproved gasoline, such as E85. Do not mix oil in
gasoline or modify the engine to run on alternate fuels. This can damage the
engine components. To protect the fuel system from gum formation, mix a
fuel stabilizer into the fuel.
This engine is certified to operate on unleaded gasoline with a minimum of
87 octane/87 AKI (91 RON). Use gasoline without ethanol or similar alcohol
based additives. Gasoline with up to 10% ethanol (gasohol) or up to 15% MTBE
(methyl tertiary butyl ether) may be used if required.
Visit www.princessauto.com for more information
420cc OHV Gas Engine with Electric Start
Check
Change
Check
Clean
Clean
Clean / Adjust
Replace
Check / Adjust
Check / Adjust
Clean
Clean
Check
X
X
X
X **
After every 500 Hours
Every 2 years (replace if necessary)
8449019
X
X
X
X
X
X
X
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