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Makita EW3050H Manual

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5
3.
PRE-OPERATION FOR STARTING
(See Fig. )
1. CONNECT SUCTION HOSE (See Fig. - )
Use a reinforced-wall or wire braided hose to prevent
suction collapse. Since the pump self-priming time is
directly proportional to hose length, a short hose is
recommended.
CAUTION
Always use a strainer with the suction hose.
Gravel or debris sucked into the pump will
cause serious damage to the impeller and
the pump casing.
2. CONNECT DELIVERY HOSE (See Fig. - )
When using a fabric hose, always use a hose band
to prevent the hose from disconnecting under high
pressure.
3. CHECK ENGINE OIL (See Fig. - )
Before checking or relling engine oil, be sure the
engine is located on stable, level surface and stopped.
■
Do not screw the oil gauge into the oil ller neck
to check oil level. If the oil level is low, rell to the
upper level with the following recommended oil.
■
Use 4-stroke automotive detergent oil of API
service class SE or higher grade (SG, SH or SJ is
recommended).
■
Select the viscosity based on the air temperature at
the time of operation as shown in the table.
(See Fig.
- )
Explanation of Fig. -
Oil Gauge Upper Level
Lower Level
Model Oil capacity
EW2050H
EW3050H
EW2051H
EW3051H
0.6 L
4. CHECK FUEL (See Fig. - )
WARNING
■
Do not refuel while smoking, near an open
ame or other such potential re hazards.
Otherwise re accident may occur.
■
Remove the statistic electricity from your
body before relling 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 and the fuel dispensing pump.
NOTE
THIS ENGINE IS CERTIFIED TO OPERATE
ON AUTOMOTIVE UNLEADED GASOLINE.
■
Stop the engine and open the cap.
■
Use automotive unleaded gasoline only.
● Unleaded regular/premium or reformulated
gasoline containing no more than 10% Ethanol
(E10), or 15% MTBE may also be used.
● Never use gasoline containing ethanol exceeding
10%, or MTBE exceeding 15% because engine
or fuel system damage could result.
● Never use stale or contaminated gasoline.
● Use of these non-recommended fuels may result
in reduced performance and/or denial of warranty.
Fuel Tank Capacity
Model
Fuel Tank capacity
Litre (U.S.gal)
EW2050H
EW3050H
EW2051H
EW3051H
3.2 (0.85)
■
Close the fuel valve before lling the fuel tank.
■
Do not ll above the top of the fuel lter screen
(marked
), or the fuel may overow when it heats
up later and expands.
Explanation of Fig. -
Maximum Fuel level
■
When lling the fuel tank, always use the fuel lter
screen.
■
Reattach the fuel cap by turning clockwise until
reaching the physical stop (about one quarter turn).
Do not attempt to turn past the physical stop or the
fuel cap may be damaged.
■
Wipe off any spilled fuel before starting the engine.
(See Fig.
- )
… 9 …


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