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A qualified technician can improve high altitude performance with certain
modifications. Have your carburetor modified if the engine will routinely be
operated at altitudes above 5,000 ft (1,500 m). Even with carburetor
modification, engine power will decrease about 3.5% for each 1,000 ft (305 m)
increase in altitude. The effect of altitude on power will be greater than this is if
no modification is made.
NOTICE! When the carburetor has been modified for high altitude operation, the
air fuel mixture will be too lean for low altitude use. Operation at altitudes
below 5,000 ft (1,500 m) may cause the engine to overheat and result in serious
engine damage. When using this engine at low altitudes, have a qualified
technician return the carburetor to original factory specifications.
CLEANING THE SEDIMENT CUP
CAUTION! Wear latex or rubber gloves when working on the sediment cup. The
cup may contain fuel that will cause skin irritation. Prolonged and repeated
exposure to fuel on skin may result in dry, cracked skin.
1.
Switch the fuel valve to the OFF position.
2.
Remove the fuel sediment cup, screw and o-ring.
3.
Clean the sediment cup with a non-flammable solvent or detergent and rinse.
Allow to dry.
a.
Some chemicals will damage the o-ring material. Check for compatibility
or simply replace the o-ring.
4.
Reassemble the sediment cup and o-ring.
5.
Switch the fuel valve to the ON position and check for leaks. Replace the
o-ring if the installation is correct, but fuel still leaks from the cup.
EMISSION CONTROL SYSTEM INFORMATION
The combustion process produces carbon monoxide, hydrocarbons and oxides of
nitrogen. Control of these emissions is very important for personal and
environmental health.
The following instructions must be followed in order to keep the emissions from
your engine within Canadian emission standards.
18
420cc OHV Gas Engine with Electric Start
For technical questions call 1-800-665-8685
V 4.4
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