Makita EN4951SH Betriebsanleitung Seite 22

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).
Cleaning the fuel ilter (suction head in the fuel tank)
WARNING: INFLAMMABLES STRICTLY PROHIBITED
Check and clean the fuel ilter monthly or every 50 operating hours.
Check the fuel ilter periodically. To check the fuel ilter, 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 ilter 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 speciied by regulations in
your country.
If the fuel ilter became hard or heavily clogged up, replace it.
(4) After checking, cleaning or replacing, push the fuel ilter in all the way to the
bottom of the fuel tank.
Clogged or damaged fuel ilter can cause insuficient fuel supply and reduce engine
power. Replace the fuel ilter at least quarterly to ensure satisfactory fuel supply to
the carburetor.
Replacing the fuel pipe
CAUTION: Inlammables strictly prohibited
Check and clean the fuel pipe daily or every 10 operating hours.
Replace the fuel pipe every 200 operating hours or every year regardless of
operating frequency. Otherwise fuel leakage may lead to ire.
If you ind any leakage during inspection, replace the fuel pipe immediately.
INSPECTION OF BOLTS, NUTS AND SCREWS
- Retighten loose bolts, nuts, etc.
- Check for fuel and oil leakage.
- Replace damaged parts with new ones for safety operation.
CLEANING OF PARTS
- Keep engine clean by wiping down with a cloth rag.
- Keep the cylinder ins free of dust or dirt. Dust or dirt adhering to the ins will
cause piston seizure.
REPLACEMENT OF GASKETS AND PACKINGS
Replace gaskets and packings if the engine is disassembled.
For any maintenance or adjustment not described in this manual, ask your local
MAKITA authorized service center.
0.7 mm - 0.8 mm
(0.028" - 0.032")
Hose clamp
22
Fuel pipe
Fuel ilter
Fuel pipe