Hitachi CG 25EUS Safety Instructions And Instruction Manual page 12

English
4. When all the engine oil has been drained, place
the unit horizontally on a clean, fl at surface.
5. Fill the oil tank with engine oil up to the mouth of
the oil tank opening. (Fig. 11)
6. Tighten the oil cap securely by hand.
NOTE
○ Do not dispose of waste engine oil with garbage
or into the ground.
Dispose of the oil according to the specifi ed
method in your area.
If you are unsure, contact the retailer where the oil
was purchased.
○ Fill the oil tank with the specifi ed amount of engine
oil.
Too much or too little engine oil may result in
engine breakdown.
○ Engine oil deteriorates naturally even if unused.
Change the engine oil regularly.
Air fi lter (Fig. 23)
The air fi lter must be cleaned from dust and dirt in
order to avoid:
○ Carburetor malfunctions.
○ Starting problems.
○ Engine power reduction.
○ Unnecessary wear on the engine parts.
○ Abnormal fuel consumption.
Clean the air fi lter daily or more often if working in
exceptionally dusty areas.
12
Fig. 22
18
Fig. 23
Cleaning the air fi lter
Remove the air fi lter cover and the fi lter (18). Rinse it
in warm soap suds. Check that the fi lter is dry before
reassembly. An air fi lter that has been used for some
time cannot be cleaned completely. Therefore, it must
regularly be replaced with a new one. A damaged
fi lter must always be replaced.
Fuel fi lter (Fig. 24)
Drain all fuel from fuel tank and pull fuel fi lter line from
tank. Pull fi lter element out of holder assembly and
rinse element in warm water with detergent.
Rinse thoroughly until all traces of detergent are
eliminated. Squeeze, do not wring, away excess
water and allow element to air dry.
NOTE
If element is hard due to excessive dirt buildup,
replace it.
Spark plug (Fig. 25)
.024˝
(0.6 mm)
The spark plug condition is infl uenced by:
○ An incorrect carburetor setting.
○ A dirty air fi lter.
○ Hard running conditions (such as cold weather).
○ Too much engine oil
These factors cause deposits on the spark plug
electrodes, which may result in malfunction and
starting diffi culties. If the engine is low on power,
diffi cult to start or runs poorly at idling speed, always
check the spark plug fi rst. If the spark plug is dirty,
Fig. 24
Fig. 25