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CHECKING THE SPARK PLUG
– Only use the supplied universal wrench to remove or to install the spark plug.
– The gap between the two electrodes of the spark plug should be 0.7 - 0.8 mm
(0.028" - 0.032"). If the gap is too wide or too narrow, adjust it. If the spark
plug is clogged or contaminated, clean it thoroughly or replace it.
CAUTION: Never touch the spark plug connector while the engine is running
(danger of high voltage electric shock).
SUPPLY OF GREASE TO GEAR CASE
– Supply grease (Shell Alvania 2 or equivalent) to the gear case through the
grease hole every 30 hours. (Genuine MAKITA grease may be purchased
from your MAKITA dealer.)
CLEANING OF FUEL FILTER
WARNING: INFLAMMABLES STRICTLY PROHIBITED
Interval of Cleaning and Inspection: Monthly (every 50 operating hours)
Suction head in the fuel tank
Check the fuel filter periodically. To check the fuel filter, follow the steps below.
(1) Remove the fuel tank cap, drain the fuel to empty the tank. Check the tank
inside for any foreign materials. If any, remove them.
(2) Pull out the suction head by using a wire hook through the tank opening.
(3) If the fuel filter clogged slightly, clean it. To clean it, gently shake and tap
it in fuel. To avoid damage, do not squeeze or rub it. The fuel used for the
cleaning must be disposed in accordance with the method specified by
regulations in your country.
If the fuel filter became hard or heavily clogged up, replace it.
(4) After checking, cleaning or replacing, push the fuel filter in all the way to the
bottom of the fuel tank.
Clogged or damaged fuel filter can cause insufficient fuel supply and reduce
engine power. Replace the fuel filter at least quarterly to ensure satisfactory fuel
supply to the carburetor.
REPLACEMENT OF FUEL PIPE
CAUTION: INFLAMMABLES STRICTLY PROHIBITED
Interval of Cleaning and Inspection: Daily (every 10 operating hours)
Replacement: Annually (every 200 operating hours)
Replace the fuel pipe every year, regardless of operating frequency. Fuel
leakage may lead to fire.
If any leakage is detected during inspection, replace the fuel pipe immediately.
INSPECTION OF BOLTS, NUTS AND SCREWS
– Retighten loose bolts, nuts, etc.
– Check the fuel cap and oil cap for tightness. Check for fuel and oil leakage.
– Replace damaged parts with new ones for safety operation.
CLEANING OF PARTS
– Always keep the engine clean.
– Keep the cylinder fins free of dust or dirt. Dust or dirt adhering to the fins will
cause piston seizure.
REPLACEMENT OF GASKETS AND PACKINGS
In reassembling the engine, be sure to replace the gaskets and packings with new ones.
Any maintenance or adjustment work that is not included and described in this manual is only to be performed by Authorized Service Agents.
0.7 mm - 0.8 mm
(0.028" - 0.032")
Fuel pipe
Hose clamp
Fuel filter
20
Gear case
Grease hole
Fuel pipe
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