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The facts in the following table relate to when the engine is difficult to start or malfunctions.
For the facts marked with ☆, request adjustment and repair from the sales agent from which you purchased
the product or the sales office of this company.
If the machine does not work well in spite of the countermeasures described below, notify the sales agent from
which you purchased the product or the sales office of this company.
Condition
Premixed
fuel exists
but is not
ignited by the
spark plug.
Premixed
fuel exists,
and ignition
plug fires.
When the premixed fuel
does not come into the
carburetor
Engine
Power is
less.
Engine overheat
Erratic operation, Misfire
Engine noisy
Impossible to
accelerate quickly
Powder or grain does not
discharge.
Duster
unit
Too little discharge quantity
7. Trouble shooting
Electricity is
Too much premixed fuel was sucked in.
conducted up
The gap of the ignition plug is wrong.
to the plug cap.
The insulation of the ignition plug is wrong.
Electricity is
not conducted
Disconnection or short circuit of the
up to the plug
cap.
Case of good
compression
Wrong packing or wrong tightening
Case of bad
Wrong tightening of spark plug
compression
No premixed fuel in the fuel tank.
Vent port of the fuel tank is clogged.
Passage within the carburetor is clogged.
Clogging of air cleaner element
Compression
Air exists in fuel pipe joint, etc.
is good and
Choke lever is closed (half open).
no misfires.
Accumulation of carbon within cylinder or muffler.
Insufficient tightening of spark plug
Wrong Gasket, Insufficient tightening
Compression
Worn cylinder or piston ring
is wrong
Flaw on cylinder interior,
Wrong premixed fuel, Insufficient mixing,
Accumulation of carbon, Overload
operation Wrong spark plug.
Cylinder or cooling fin is clogged with dust.
Too little premixed fuel (Clogging of fuel passage)
Abnormal contact of rotating part
Internal defect of engine
Fuel passage clogging
Bad mixing of gasoline and oil
Accumulation of carbon
Clogging within disgorging case
Intermediate rod is disconnected
Much, Middle, Few position of shutter arm is wrong.
Powder/grain is clogged.
Wrong meshing of double shutter gear
Cover of chemical tank is not closed completely.
Mixing in of foreign material
Cause
ignition coil.
Premixed fuel is bad.
Piston ring is sticking.
Bent or broken pipe
Crack of piston head
Wrong mixture ratio.
Wrong spark plug
Ignition coil
Cylinder overheated
Shutter clogged.
Powder/grain is wet.
22
Disposition
Dry
Adjust, Change
Inspect, Clean, Change
Replace
Use formal fuel.
Inspection, Adjustment, Replacement
Tightening
Inspection, Replacement
Supply
Inspection, Cleaning
Inspection, Cleaning
Inspection, Correction, Replacement
Inspection, Clean
Remove
Inspection, Adjustment
Inspection, Remove
Inspection, Cleaning,
Replacement
Inspection, Replacement
Inspection, Replacement
Inspection, Replacement
Use regular fuel
Inspection, Removal
Inspection, Replacement
Cleaning
Inspection, Clean
Inspection, Replacement
Inspection, Replacement
Inspection, Adjustment
Inspection, Adjustment
Inspection, Replacement
Inspection, Adjustment
Use regular fuel
Inspection, Remove
Remove clogging
Remove clogging
Connect the intermediate rod to
the shutter arm.
Match to the correct position.
Dry
Loosen the clogging.
Match the meshing.
Close completely.
Remove
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