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TROUBLESHOOTING
CAUTION! Turn off the engine and wait until the machine stops completely before investigating
fault.
Conventional trouble
Engine does not start.
Engine stops soon.
Engine speed does not
increase.
Brushcutter
blade
(13)
does not rotate
>
Stop
engine
immediately
Main
unit
vibrates
abnormally.
>
Stop
engine
immediately
Brushcutter
blade
(13)
does
not
stop
immediately.
If the problem cannot be remedied on the basis of the information above, please take the device to an authorized
IVT Service Center.
Trouble reason
∙
Failure to operate fuel pump (17).
∙
On/off switch (3) in 'OFF' 'O'
position.
∙
Choke lever (16) not in CLOSED
position (cold engine).
∙
Lack of fuel.
∙
Fuel filter (18) clogged, carburetor
malfunction, ignition malfunction, valves
stuck, etc.
∙
Deteriorated fuel.
∙
Spark plug (31) faulty, fouled,
detached or has incorrect gap.
∙
Insufficient warm-up.
∙
Choke lever (16) is set to CLOSED
position although engine is warmed up.
∙
Clogged
fuel
filter
contaminated or clogged filter element
(29).
∙
Throttle cable out of adjustment,
broken, or bent.
∙
Loosened locking nut (35).
∙
Twigs caught by brushcutter blade
(13).
∙
Worn or broken clutch, broken
throttle cable, worn or broken gearhead
(14) parts.
∙
Broken, bent or worn brushcutter
blade (13).
∙
Loosened locking nut (35).
∙
Abnormal drive system.
∙
High idling rotation.
∙
Fault in throttle lever (22) or throttle
cable.
17
Instruction manual
∙
Push it 7-10 times.
∙
Turn On/off switch (3) in 'ON' 'I'
position.
∙
Move choke lever (16) to the
CLOSED position.
∙
Feed fuel.
∙
Replace
components as needed.
∙
Replace with new recommended fuel.
∙
Clean, gap, attach or replace.
∙
Perform warm-up operation
∙
Set it to OPEN position.
(18)
or
∙
Clean.
∙
Adjust or replace if necessary.
∙
Tighten securely.
∙
Remove foreign matter.
∙
Replace
components as needed.
∙
Replace it.
∙
Tighten securely.
∙
Make request for inspection and
maintenance to an authorized Service
Center.
∙
Adjust.
∙
Check throttle control parts, adjust
or replace throttle cable.
Remedy
or
repair
faulty
or
repair
faulty
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