Makita EM2550UH Instruction Manual

Contents

Makita EM2550UH Instruction Manual Manual pdf 19 page image

19CLEANING OF FUEL FILTERWARNING: INFLAMMABLES STRICTLY PROHIBITEDInterval of Cleaning and Inspection: Monthly (every 50 operating hours)Suction head in the fuel tank– The fuel filler (1) of the suction head is used to filler the fuel required by thecarburetor.– A periodical visual inspection of the fuel filter is to be conducted. For thatpurpose open the tank cap, use a wire hook and pull out the suction headthrough the tank opening. Filters found to have hardened, been polluted orclogged up are to be replaced.– Insufficient fuel supply can result in the admissible maximum speed beingexceeded. It is therefore important to replace the fuel filter at least quarterly toensure satisfactory fuel supply to the carburetor.REPLACEMENT OF FUEL PIPECAUTION: INFLAMMABLES STRICTLY PROHIBITEDInterval 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. Fuelleakage 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 for fuel and oil leakage.– Replace damaged parts with new ones for safety operation.CLEANING OF PARTS– Keep the engine always clean.– Keep the cylinder fins free of dust or dirt. Dust or dirt adhering to the fins willcause seizure.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 plugis clogged with carton or fouled, clean it thoroubhly 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 thegrease hole every 30 hours. (Genuine MAKITA grease may be purchased fromyour MAKITA dealer.)REPLACEMENT OF GASKETS AND PACKINGSIn reassembling after the engine is dismounted, be sure to replace the gaskets and packings with new ones.Any maintenance of adjustment work that is not included and described in this manual is only to be performed by Authorized Service Agents.Fuel pipeFuelfilter (1)Fuel pipe0.7mm-0.8mm(0.028”-0.032”)Gear caseGrease holeHouse clamp