Makita BHX2501 Instruction Manual
Also see for BHX2501: Instruction manualInstruction manualInstruction manual
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17Fault location*1 Perform initial replacement after 20h operation.*2 For the 200 operating hour inspection, request Authorized Service Agent or a machine shop.*3 After emptying the fuel tank, continue to run the engine and drain fuel in the carburetor.Fault System Observation CauseEngine not starting orwith difficultyIgnition system Ignition spark O.K. Fault in fuel supply or compression system, mechanicaldefectNo ignition spark STOP-switch operated, wiring fault or short circuit, spark plugor connector defective, ignition module faultyFuel supply Fuel tank filled Incorrect choke position, carburetor defective, fuel supply linebent or blocked, fuel dirty.Compression No compression whenpulled overCylinder bottom gasket defective, crankshaft seals damaged,cylinder or piston rings defective or improper sealing of sparkplugMechanical fault Starter not engaging Broken starter spring, broken parts inside of the engineWarm start problems Tank filled ignition sparkexistingCarburetor contaminated, have it cleanedEngine starts but dies Fuel supply Tank filled Incorrect idling adjustment, carburetor contaminatedFuel tank vent defective, fuel supply line interrupted, cable orSTOP-switch faultyInsufficient performance Several systems maysimultaneously beaffectedEngine idling poor Air filter contaminated, carburetor contaminated, mufflerclogged, exhaust duct in the cylinder cloggedOperating timeItemBeforeoperationAfterlubrication Daily (10h) 30h 50h 200h Shutdown/restCorrespondingPageEngine oil Inspect/clean 9Replace * 1 14Tightening parts (bolt, nut) Inspect 16Fuel tank Clean/inspect –Drain fuel *3 16Throttle lever Check function –Stop switch Check function 12Low-speed rotation Inspect/adjust 12Air cleaner Clean 15Ignition plug Inspect 15Cooling air duct Clean/inspect 16Fuel pipe Inspect 16Replace * 2 –Fuel filter Clean/replace 16Clearance between air intakevalve and air discharge valve Adjust * 2 –Oil tube Inspect * 2 –Engine overhaul * 2 –Carburetor Drain fuel *3 16 |
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