Checking The Spark Plugs - Makita RBL500 Instruction Manual

CHECKING THE SPARK PLUGS Every 8 hours(Daily)
- Use only the supplied socket wrench to remove or install the spark
plug, This engine uses NGK-BPM7A
- The gap between the two electrodes of the spark plug should be 0.6-
0.7 mm (0.024" - 0.028"). If the gap is too wide or too narrow, adjust
it. If the spark plug is clogged with carbon or fouled, clean it
thoroughly or replace it. Use an exact replacement.
CAUTION: Never touch the spark plug connector while engine is
running (danger of high voltage electric shock).
CLEANING OF MUFFLER EXHAUST PORT Every50 hous(monHy)
- Check muffler exhaust port (1) regularly.
- If it is clogged with carbon deposits, carefully scrape the deposits out
with a suitable tool.
Check of fuel filter. If clogged, replace with new one : Every 50 hours
Replace fuel lines : Every 200 hours (Yearly)
Overhaul engine : Every 200 hours (Yearly)
Replace packings and gaskets with new ones : Every time engine is
reassembled.
To maintain product SAFETY and RELIABLITY, repairs, any other
maintenance or adjustment should be performed by Makita Authorized or
Factory Service Center, always using Makita replacement parts.
STORAGE
- When keeping the machine in storage for a long time, drain fuel from the fuel tank and carburetor, as follows : Drain all fuel from the fuel tank into
container approved for gasoline. Give a gentle push on the primer pump repeatedly until all fuel is expelled out of the primer pump.
- Remove the spark plugs and add a few drops of oil into spark plug hole. Then, pull the starter gently. Confirm that oil film covers the engine inside
and tighten the spark plug.
- Clear dirt or dust from outside of engine, wipe them with an oil-immersed cloth and keep the machine locked in a dry, well-ventilated place that is
inaccessible to children. Keep away from corrosive agents such as garden chemicals and de-icing salts.
- Do not store in a closed area where fuel vapors can reach an open flame from hot water heaters, furnaces etc.
- Abide by all Federal and local regulations for the safe storage and handling of gasoline.