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4. USING YOUR PUMP
DANGER!
Water pump exhaust contains high levels of carbon monoxide (CO), a
poisonous gas you cannot see or smell. If you can smell the exhaust you are
breathing CO. Even if you cannot smell the exhaust, you could be breathing
CO.
NEVER run the pump inside a home, garage, crawlspace, or other partly
enclosed area, deadly levels of carbon monoxide can build up in these areas.
Using a fan or opening windows and doors will NOT supply enough fresh air.
If you start to feel sick, dizzy, or weak after the pump has been running,
move to fresh air RIGHT AWAY and seek medical attention. You could have
carbon monoxide poisoning. Never run the water pump in an enclosed or even
partially enclosed area where people may be present.
Carburetor Modification for High Altitude Operation
At high altitudes, the standard carburetor air-fuel mixture will be too rich.
Fuel consumption will increase and performance will decrease. A very
rich mixture will also foul the spark plug and cause hard starting.
If using the pump at high altitudes, change the main-nozzle or adjust the
idling-screw of the carburetor. If always operating the pump at altitudes
above 1,000 meters, contact an authorized service center to have the
carburetor modified.
Conversely, if the carburetor has been modified for high altitude
operation, the air-fuel mixture will be too lean for low altitude use.
Operation at low altitude my cause the engine to overheat and result in
serious engine damage. In this case the carburetor needs to be returned
to its original specifications.
HWP & HWT SERIES
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