Troubleshooting - Makita PE3450H Manual De Instrucciones

TROUBLESHOOTING

Before making a request for repairs, check for trouble by yourself. If any abnormality is found, control your machine according to the description
of this manual. Never tamper or dismount any part contrary to the description. For repairs, contact service center.
State of abnormality
Engine does not start
Engine stops soon
Engine speed does not increase
Auger bit gets stucked in the ground
Auger bit does not rotate
Stop engine immediately
Main unit vibrates abnormally
Stop engine immediately
Auger bit does not stop
Stop engine immediately
Engine does not stop
Run engine at idling, and set
choke lever to CLOSE
When the engine does not start after warm-up operation:
If there is no abnormality found for the checked items, open the throttle by about 1/3 and start the engine.
Probable cause (malfunction)
Failure to operate primer pump
Low pulling speed of starter rope
Lack of fuel
Clogged fuel filter
Disconnected fuel tube
Bented fuel tube
Deteriorated fuel
Excessive suction of fuel
Detached plug cap
Contaminated spark plug
Abnormal clearance of spark plug
Other abnormality of spark plug
Abnormal carburetor
Starter rope cannot be pulled
Abnormal drive system
Insufficient warm-up
Choke lever is set to "CLOSE" although
engine is warmed up.
Clogged fuel filter
Contaminated or clogged air cleaner
Abnormal carburetor
Abnormal drive system
Auger bit is bound in difficult terrian
Loosened auger bit pin or safety pin
Foreign matter caught by auger bit
Abnormal drive system
Broken, bent or worn auger bit
Loosened auger bit pin or safety pin
Abnormal drive system
High idling rotation
Throttle control wire problem
Abnormal drive system
Detached connector to the I-O switch
Abnormal electric system
24
Remedy
Push 7 to 10 times
Pull strongly
Feed fuel
Clean it
Connect fuel tube properly
Straighten fuel tube
Deteriorated fuel makes starting more difficult.
Replace with new fuel. (Recommended
replacement: 1 month)
Set throttle control to medium or high speed,
and pull starter handle until engine starts.
Once engine starts, auger bit starts rotating.
Pay full attention to auger bit.
If engine still does not start, remove spark
plug, dry the electrode, and reassemble them
as they originally were. Then, start as
specified.
Attach securely
Clean it
Adjust clearance
Replace it
Make request for inspection and maintenance.
Make request for inspection and maintenance.
Make request for inspection and maintenance.
Perform warm-up operation
Set to "OPEN"
Clean it
Clean it
Make request for inspection and maintenance.
Make request for inspection and maintenance.
Stop the engine. Remove the earth auger from
auger bit. Apply appropriate strong bar to
reliese the auger bit.
Tighten them securely
Remove foreign matter while the engine
stopped.
Make request for inspection and maintenance.
Replace auger bit
Tighten them securely
Make request for inspection and maintenance.
Adjust idle speed
Ask service center to replace it.
Make request for inspection and maintenance.
Attach securely
Make request for inspection and maintenance.