Makita EM2650UH/Em2650LH manual Checking the Spark Plug, Supply of Grease to Gear Case

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.)

0.7mm - 0.8 mm (0.028” - 0.032”)

Gear case

Grease hole

CLEANING OF FUEL FILTER

WARNING: INFLAMMABLES STRICTLY PROHIBITED

Interval of Cleaning and Inspection: Monthly (every 50 operating hours)

Suction head in the fuel tank

––The fuel filter (1) of the suction head is used to filter the fuel required by the carburetor.

––A periodical visual inspection of the fuel filter is to be conducted. Open the tank cap, use a wire hook and pull out the suction head through the tank opening. If the filter is hard or clogged up, replace it.

––Replace the fuel filter at least quarterly to ensure an enough fuel supply to the carburetor. Otherwise an insufficient fuel supply will cause the engine start failure and limited maximum speed.

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.

Fuel pipe

Hose clamp

Fuel filter (1)

Fuel pipe

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.

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