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Makita EW3050H Manual

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8
4. ENGINE OIL CHANGE (See Fig. - , )
Initial oil change : After 20 hours of operation
Thereafter : Every 100 hours of operation
(1) When changing oil, stop the engine and loosen the
drain plug. Drain the used oil while the engine is
warm. Warm oil drains quickly and completely.
CAUTION
To prevent injury, pay attention to the hot oil.
Make sure the fuel cap is tightly secured to
avoid spillage.
(2) Re-install the drain plug before relling oil.
Model Oil capacity
EW2050H
EW3050H
EW2051H
EW3051H
0.6 L
(3) Refer to page 5 for the recommended oil.
■
Always use the best grade and clean oil.
Contaminated oil, poor quality oil and shortage of
oil cause damage to engine or shorten the engine
life.
5. CLEANING FUEL CUP (See Fig. - )
WARNING
Flame Prohibited
WARNING
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.
(1) Inspect fuel cup for water and dirt.
(See Fig.
- - )
(2) To remove water and dirt, close the fuel valve and
remove the fuel cup.
(3) After removing dirt and water, wash the fuel cup
with kerosene or gasoline. Reinstall securely to
prevent leakage.
6. CLEANING AIR CLEANER
(See Fig. - )
A dirty air cleaner element will cause starting difculty,
power loss, engine malfunctions, and shorten engine
life extremely.
Always keep the air cleaner element clean.
WARNING
Flame Prohibited
■
Urethane Foam cleaning (See Fig.
- - )
Wash and clean the urethane foam with detergent.
After cleaning, dry it. Clean the urethane foam
element every 50 hours.
■
Second element (See Fig.
- - )
Clean by tapping gently to remove dirt and blow
off dust. Never use oil. Clean the paper element
every 50 hours of operation, and replace element
set every 200 hours.
NOTE
Clean and replace air cleaner elements more often
when operating in dusty environments. Replace the
element in case that dirt or dust can not be removed
and/or that the element is deformed or deteriorated.
7. FUEL HOSE REPLACEMENT
(See Fig. - )
WARNING
■
Take extreme caution when replacing fuel
hose; gasoline is extremely ammable.
■
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.
Replace the fuel hose every 1,000 hours or every 2
years.
If fuel leaks from fuel hose, replace the fuel hose
immediately.
8. CHECKING BOLTS, NUTS AND SCREWS
■
Retighten loose bolts and nuts.
■
Check for fuel and oil leaks.
■
Replace damaged parts with new ones.
… 12 …


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