Makita EB7650TH Instruction Manual - Page 20

Troubleshooting

Get Makita EB7650TH PDF manuals and user guides View all Makita EB7650TH manuals
Add to My Manuals
Save this manual to your list of manuals

Page 20 highlights

TROUBLESHOOTING Before making a request for repairs, check a trouble for 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 Authorized Service Agent or local dealership. State of abnormality Engine does not start Engine stops soon Engine speed does not increase Probable cause (malfunction) Failure to operate primer pump Low pulling speed of starter rope Lack of fuel Clogged fuel filter Bent 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 Cannot pull the starter knob 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 Detached throttle wire Remedy Push 7 to 10 times. Pull strongly. Feed fuel. Clean Straighten fuel tube Deteriorated fuel makes starting more difficult. Replace with new one. (Recommended replacement: 1 month) Set throttle lever from medium speed to high speed, and pull starter handle until engine starts. If engine will not start still, remove spark plug, make electrode dry, and reassemble them as they originally are. Then, start as specified. Attach securely Clean Adjust clearance Replace 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 Clean Make request for inspection and maintenance. Make request for inspection and maintenance. Attach securely Engine does not stop. Detached connector Abnormal electric system Run engine at idling, and set choke lever to "CLOSE". Attach securely Make request for inspection and maintenance. When the engine does not start after warm-up operation: If there is no abnormality found for the check items, open the throttle by about 1/3 and start the engine. 20

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
±0
TROUBLESHOOTING
Before making a request for repairs, check a trouble for 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 Authorized Service Agent or local dealership.
State of abnormality
Probable cause (malfunction)
Remedy
Failure to operate primer pump
Push 7 to 10 times.
Low pulling speed of starter rope
Pull strongly.
Lack of fuel
Feed fuel.
Clogged fuel filter
Clean
Bent fuel tube
Straighten fuel tube
Deteriorated fuel
Deteriorated fuel makes starting more difficult.
Replace with new one. (Recommended
replacement: 1 month)
Engine does not start
Excessive suction of fuel
Set throttle lever from medium speed to high
speed, and pull starter handle until engine
starts.
If engine will not start still, remove spark plug,
make electrode dry, and reassemble them as
they originally are. Then, start as specified.
Detached plug cap
Attach securely
Contaminated spark plug
Clean
Abnormal clearance of spark plug
Adjust clearance
Other abnormality of spark plug
Replace
Abnormal carburetor
Make request for inspection and maintenance.
Cannot pull the starter knob
Make request for inspection and maintenance.
Abnormal drive system
Make request for inspection and maintenance.
Engine stops soon
Engine speed does not increase
Insufficient warm-up
Perform warm-up operation
Choke lever is set to “CLOSE” although
engine is warmed up
Set to “OPEN”
Clogged fuel filter
Clean
Contaminated or clogged air cleaner
Clean
Abnormal carburetor
Make request for inspection and maintenance.
Abnormal drive system
Make request for inspection and maintenance.
Detached throttle wire
Attach securely
Engine does not stop.
Detached connector
Attach securely
Abnormal electric system
Make request for inspection and maintenance.
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 check items, open the throttle by about 1/3 and start the engine.