CARBURETOR ADJUSTMENT
This water pump is equipped with non-adjustable fuel mixture carburetor. The engine idle speed is
the only adjustment accessible to the Operator.
CAUTION:
The water pump impeller is spinning during idle speed adjustment.
Never start the engine without water in the pump housing.
Running the engine without water in the pump housing will cause serious
damage.
Engine Idle Speed:
The engine idle speed should be 2,700 - 3,300
rpm.
IDLE SPEED ADJUSTMENT SCREW
INCREA
�c
The engine idle speed is adjusted by rotating
the idle speed screw on the carburetor.
Turning the idle speed screw in (clockwise)
increase engine speed while turning the screw
out decreases engine speed.
DECREASE
REGULAR MAINTENANCE
PUMP
1. After the pump has been used with muddy water, be sure to run it with clean water for a few
minutes to clean the interior of the pump before stopping operation.
2. Where outside temperatures drop to freezing or below, be sure to drain all water from the
pump before storage.
3. When the unit is not to be used for a long period of time, clean the pump interior thoroughly,
remove all remaining moisture, and then store it covered in a dry, cool, dark place.
AIR FILTER
Maintenance Interval:
The air filter should be cleaned daily or more often when working in
extremely dusty conditions and replaced after every 1 oo hours of operation.
Maintenance:
Dismantle the air filtEir cover
and remove the foam filter. Clean the filter with
warm, soapy water. Let the filter completely
dry. Lightly apply SAE 30 motor oil to the foam
filter and squeeze out all excess oil.
Reassemble the filter and filter cover.
-10-
FILTER COVER
FOAM FILTER
