Zenoah BK4310FL-S Brush Cutter User Manual


 
21
9. Trouble shooting
10. Disposal
When the symptoms in the left column do not improve after taking the measures in the right column, please contact the shop
where you bought this product.
For the measures marked with , please buy ZENOAH’s genuine parts at the shop where you bought this product.
PHENOMENON
The engine does not start.
The engine does not accelerate.
The engine stalls when the throttle
is returned to its original position.
The engine rotation speed changes.
Abnormal vibration
Deterioration of fuel consumption
MAIN CAUSE
Bad fuel (different quality, deterioration)
Excessive sucking of fuel
Clogging of the muffler exhaust vent
Contamination of the spark plug electrodes,
Short-circuit or breaking of a wire
Bad fuel (different quality, deterioration)
Clogging of the muffler exhaust vent
The idling revolution speed is too low.
Clogging of the fuel filter
Deformation or damage of the blade
Clogging of the air cleaner
Blunt blade
Bad lubrication of the flexible shaft
MEASURES
Replace it with normal fuel (page 12).
Open the choke, open the throttle full
open, and pull out the rope repeatedly
(page 13,14).
Clean the muffler (page 18,19).
Clean the electrodes or replace the plug
(page 18).
Replace it with normal fuel (page 12).
Clean the muffler (page 19).
Readjust the idling adjustment screw
(page 20).
Clean or replace the fuel filter (page 18).
Replace the blade (page 11).
Clean the air cleaner (page 17).
Replace the blade (page 11).
Supply grease (page 19).
Do not modify or disassemble the machine.
Modification or disassembly of the machine might
cause the machine to be damaged during
operation, or cause an unexpected accident due
to the leakage of fuel or malfunction of the
machine.
When you carry out inspection or maintenance of
the machine, keep the machine clear of fire (such
as a lit cigarette). Otherwise, the fuel might catch
fire.
Use ZENOAH’s genuine or dedicated tightening
parts (bolts, nuts and screws). Use of other
manufacturers’ parts might damage the machine,
or cause an unexpected accident due to parts
falling off while the machine is in operation.
WARNING
When you dispose of the machine, do not
disassemble the machine.
When you dispose of the machine, fuel, oil, be sure to
follow your local regulations.