Makita EVH2000 Manual de Instruções Página 18

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18
Fault location
Fault System Observation Cause
Engine not starting or with
difculty
Ignition system Ignition spark O.K. Fault in fuel supply or compression system, mechanical
defect
No ignition spark STOP-switch operated, wiring fault or short circuit, spark
plug or connector defective, ignition module faulty
Fuel supply Fuel tank lled Incorrect choke position, carburetor defective, fuel supply
line bent or blocked, fuel dirty.
Compression No compression when
pulled over
Cylinder bottom gasket defective, crankshaft seals
damaged, cylinder or piston rings defective or improper
sealing of spark plug
Mechanical fault Starter not engaging Broken starter spring, broken parts inside of the engine
Warm start problems Tank lled ignition spark
existing
Carburetor contaminated, have it cleaned
Engine starts but dies Fuel supply Tank lled Incorrect idling adjustment, carburetor contaminated
Fuel tank vent defective, fuel supply line interrupted,
cable or STOP-switch faulty
Insufcient performance Several systems may
simultaneously be
affected
Engine idling poor Air lter contaminated, carburetor contaminated, mufer
clogged, exhaust duct in the cylinder clogged
Operating time
Item
Before
operation
After
lubrication
Daily
(10h)
30h 50h 200h
Shutdown
/rest
Engine oil
Inspect/clean
Replace
*
1
Tightening parts
(bolt, nut)
Inspect
Fuel tank
Clean/inspect
Drain fuel
*
3
Throttle lever Check function
Stop switch Check function
Low-speed rotation Inspect/adjust
Air cleaner Clean
Ignition plug Inspect
Cooling air duct Clean/inspect
Fuel pipe
Inspect
Replace
*
2
Fuel lter Clean/replace
Clearance between air intake
valve and air discharge valve
Adjust
*
2
Oil tube Inspect
*
2
Engine overhaul
*
2
Carburetor Drain fuel
*
3
*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.
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