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9
9. CLEANING PUMP INSIDE
(See Fig. -
–
)
(Except EW2050H, EW3050H)
If the inside of the pump is plugged up with small rocks
or if the inside of the pump has to be cleaned, you can
clean the inside of the pump by removing the casing
cover using the Hexagon wrench that comes with the
pump.
The accessory Hexagon wrench (8 mm) is attached to
the upper part of the casing. (See Fig. - )
(1) Removal of the casing cover (See Fig. - )
Remove the 4 socket bolts.
(2) Cleaning the inside of the pump (See Fig. - )
After removing the pebbles and dirt from the inside
of the pump, rinse it out with clean water.
Explanation of Fig. -
Casing cover
O-Ring
Make sure not to damage the O-ring as this will cause
water leakage.
If the O-ring is deteriorated or damaged, replace it with
a new one.
(3) Reattaching the casing cover (See Fig. - )
Tighten the 4 socket bolts.
6. PREPARATIONS FOR STORAGE
1. WATER (See Fig. - )
Drain all water from the drain plug.
CAUTION
When retightening drain plug, be sure to
clean the drain plug and the thread of casing.
Otherwise, the thread may be damaged.
2. DISCONNECT THE DELIVERY HOSE
Tilt the pump and drain all water from delivery hole.
Severe damage to pump may result if water freezes in
the pumping chamber.
3. DISCHARGE FUEL
(See Fig. - )
WARNING
Flame Prohibited
If you do not use the engine more than 1 month,
discharge fuel to prevent gum in the fuel system and
carburetor parts.
WARNING
■
Remove the statistic electricity from your
body before refilling the gasoline.
Sparking from electrostatic discharge may
cause the ignition to the vaporized fuel
(gasoline) resulting burns.
Static electricity can be discharged from
the body by touching by hand the metal
parts of the unit.
■
Always store/carry the fuel (gasoline) with
metallic portable tank to prevent fire.
■ Remove the strainer cup, place the strainer over a
container and open the strainer valve to discharge
fuel from the fuel tank.
■ Remove the drain screw of the carburetor float
chamber and discharge fuel.
4. ENGINE OIL (See Fig. - )
■ Change the engine oil with fresh oil.
■ Remove the spark plug, pour about 5 cc of engine
oil into the cylinder, slowly pull the starter handle
of the recoil starter 2 or 3 times, and reinstall the
spark plug.
5. CLEAN AND STORE
■ Slowly pull the recoil starter handle until resistance
is felt and leave it in that position.
■ Clean the pump thoroughly with an oiled cloth, put
the cover on, and store the pump indoors in a well
ventilated, low humidity area.
7. OIL SENSOR INSTRUCTIONS
1. FUNCTION OF OIL SENSOR
The engine will stop automatically when the oil level
falls below the safety limit. The engine cannot be
started unless the level is raised above the prescribed
limit. (See Fig. - )
2. RESTARTING
(1) Fill the crankcase with oil up to the proper level.
(2) As for restarting and operating the engine, refer to
section
“4. OPERATING YOUR PUMP”
on page 6.
■ Check the wire connector from the engine. It must
be connected securely to the wire from oil sensor.
■ When selecting the engine oil, refer to page 5 for the
recommended oil.
Summary of Contents for EW2050H
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