Makita EM2600L, Service Manual

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Inadequate fuel used.................................Use specified fuel
Defective plug (overheated) .....................Replace
Overheated engine
Defective
ignition
function
Defective
carburetor
Hampered air ventilation because of
Cylinder clogged with dust.........................Clean (inlet
of cooling air, fan cover, fan, cylinder fin)
Carbon adhering to combustion
chamber....................................................Overhaul, clean
Fuel is too lean .........................................Overhaul, clean
Too much load to cutter blade...................Lessen load Damaged or
fouled spark plug or
Inadequate spark gap...............................Replace, clean, Adjust
Irregular adjustment of low-speed fuel
Adjusting screws........................................Adjust
Clogged main jet.......................................Clean
Overflow ...................................................Refer to indication
In previous page.
Fouled air cleaner.....................................Clean
Damaged diaphragm membrane..............Replace
Engine
Runs but
Poor
RPM’ s
Other causes
Brush blade does
not cut well
Brush blade
stop
Ineffective compression. Overhaul, check (Miscontact and wear
of piston ring) and replace
(Gas leakage from cylinder and crankcase) (Insufficient
tightening of spark plug)....... Retighten
Exhaust port clogged with carbon............Clean Throttle
Valve not fully opened .................Open fully Clogged tank
Filter ....................................Replace
Polished cutter blade... .............................Polish correctly
Slippage of cutter blade............................Tighten correctly
Excessive load on cutter blade.................Lessen load Worn
Clutch shoe .....................................Overhaul, replace
Detached long shaft..................................Mount correctly
Damaged long shaft or gear.....................Replace..
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