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6) High Altitude Operation
At high altitude, the standard carburettor air-fuel mixture will be excessively
rich. Output power will decrease, and fuel consumption will increase. Air-fuel
mixture will also be very likely to make the spark plug dirty and make starting
difficult.
Engine performance can be improved by installing a main fuel jet of a smaller
diameter in the carburettor and readjusting the pilot screw. If you intend to
regularly use the water pump at altitudes greater than 1000m above sea level,
contact us regarding a carburettor modification.
Even with a suitable carburettor, engine horsepower will decrease by around
3.5% for each 300 meter increase in altitude. The effect of altitude on
horsepower will be greater than this if a carburettor modification is not made.
If a carburettor suitable to high altitude is equipped with an engine suitable
to a lower altitude, the lean air fuel mixture will lead to lower engine output
power, over-heating and serious damage.
Summary of Contents for 1 inch
Page 1: ......
Page 2: ...P a g e 2...
Page 7: ...P a g e 7 2 COMPONENT IDENTIFICATION 1 Clean Water Pump...
Page 8: ...P a g e 8 1 5 Clean Water Pump...
Page 9: ...P a g e 9 2 3 4 Clean Water Pump...
Page 10: ...P a g e 10 Chemical Pump...
Page 11: ...P a g e 11 High Pressure Pump This diagram shows the 2 high pressure pump...
Page 12: ...P a g e 12 Trash Pump...
Page 34: ...P a g e 34 11 WIRING DIAGRAM...