7
L-1599 (04-01-22)
OPERATIONS & MAINTENANCE
STOPPING THE PUMP
1. Stop pump for a short time:
Run engine throttled all the way down (fully to the
right).
Turn engine switch to OFF position.
2. Stopping pump for storage:
Turn fuel cock to OFF position instead of turning the
engine switch off.
Let the engine idle for 2 to 3 minutes until fuel in
carburetor is depleted and engine stops. If a valve is
installed on the discharge hose, you may run pump
with valve closed during this procedure. Note: Pump
must not be run dry. Make sure there is water in the
priming chamber.
STORAGE
1. Drain pump. Flush pump after use. One of the most
common causes for faulty pump performance is
gumming or corrosion inside the pump.
Flush the pump and entire system with a solution
that will chemically neutralize the liquid pumped. Mix
according to the manufacturer’s directions. This will
dissolve most residues remaining in the pump, leaving
the inside of the pump clean and ready for use.
2. Drain all the fuel from the fuel tank, fuel lines, and filter.
3. Store pump in a clean, dry environment.
ENGINE MAINTENANCE
AIR FILTER
The air filter should be checked every month for dust and dirt
accumulation. Every 6 months, the filter element should be
removed and cleaned. Clean the foam element with detergent
and warm water. Squeeze out excess water and let it dry.
Before reinstalling the filter element, soak it with engine oil
and squeeze out the excess. Reinstall the filter. The engine will
smoke upon start-up if too much oil is left in the filter element.
OIL LEVEL
The oil level should be checked before each use.
OIL CHANGE
The oil should be changed in the first month, and then every
6 months (or 100 hours of operation). To drain the oil, run the
engine until warm. Turn off the engine, remove the oil drain plug,
and let the oil drain into a pan. Reinstall the plug and fill with oil.
(Capacity: 20 ounces.)
NOTE: Dispose of used oil responsibly. DO NOT pour it down
drains, onto the ground or put it in the trash. Most communities
have collection points for used oil.
SPARK PLUG
The spark plug should be checked and cleaned every 6 months
or 100 hours.
The spark plug should be replaced if it is damaged or excessively
worn.
Figure 2
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