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(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.
8. CHECK BATTERY
6. FUEL HOSE REPLACEMENT (See Fig.
55
55
5
-
oo
oo
o
)
Replace the fuel hose every 1,000 hours or every year.
If fuel leaks from fuel hose, replace the fuel hose immediately.
Take extreme caution when replacing fuel
hose ; gasoline is extremely flammable.
WARNING
WARNING Flame Prohibited
If the electrolyte fluid is below level line, refill with distilled
water to the upper level line.
3. INSPECTING THE SPARK PLUG
(See Fig.
55
55
5
-
ww
ww
w)
(1) Clean off carbon deposits on the spark plug electrode
using a plug cleaner or wire brush.
(2) Check electrode gap. The gap should be 0.6 mm to 0.7
mm (0.02 inch.
-
0.03 inch.). Adjust the gap, if necessary,
by carefully bending the side electrode.
Recommended Spark Plug : NGK BR-6HS
(CHAMPION RL86C)
4.
ENGINE OIL CHANGE (See Fig.
55
55
5
-
ee
ee
e,
rr
rr
r)
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.
(2) Re-install the drain plug before refilling oil.
OIL CAPACITY : 1.0 liter
To prevent injury, pay attention to the hot oil.
CAUTION
5. CLEANING AIR CLEANER
(See Fig.
55
55
5
-
tt
tt
t
thru
ii
ii
i
)
A dirty air cleaner element will cause starting difficulty, power
loss, engine malfunctions, and shorten engine life extremely.
Always keep the air cleaner element clean.
WARNING Flame Prohibited
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.
CHECKING BOLTS, NUTS AND SCREWS
Retighten loose bolts and nuts.
Check for fuel and oil leaks.
Replace damaged parts with new ones.
A. Urethane Foam Element Type (See Fig.5
t,i)
Remove the element and wash it in kerosene or diesel
fuel. Then saturate it in a mixture of 3 parts kerosene or
diesel fuel and 1 part engine oil. Squeeze the element
to remove the mixture and install it in the air cleaner.
(See Fig.5
t q,5 i q)
B. Dual Element Type (Urethane Foam and Paper
elements) (See Fig.5
y,u)
Urethane Foam cleaning (See Fig.5 y q,5 u q)
Wash and clean the urethane foam with detergent.
After cleaning, dry it.
Clean the urethane foam every 50 hours.
Paper Element Cleaning (See Fig.5 y w,5 u w)
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.