TROUBLE SHOOTING
E
N
G
I
N
E
MALFUCTIONS
CAUSE
REMEDIES
The engine does no start
or is difficult
to start.
● 1. The machine is not
switch on.
2. The fuel is empty.
3. No enough priming.
4. The engine sucks
excessive fuel.
5. Old fuel is being
used.
1. Switch the machine on.
2. Refuel the tank.
3. Press the priming pump 5-7 times.
4. Start the engine with the throttle
lever and choke lever fully opened.
5. Exchange it for a new one.
Do not work at low
engine revolution
speed, Engine stop.
1. The carburetor was
not adjusted properly.
1. Adjust the carburetor.
It does not
accelerate well.
1. Grass coils around
the engine.
2. The carburetor was
not adjusted properly.
3. The idle speed is
too low.
1. Remove the grass.
2. Adjust the carburetor.
3. Increase the speed until just before
The cutter starts revolving.
(Adjust there carburetor.)
Output power is
not sufficient
during operation
or the engine stops.
1. The element (air
filter)
is dirty.
2. Improper fuel is
being
used.
1. Clean the element or replace it.
2. Use proper fuel mix ratio.
B
R
U
S
H
C
U
T
T
E
R
The cutter does not stop
at low speed.
1. The carburetor was
not adjusted properly.
・
The clutch spring has
trouble.
・
The idle speed is too
height.
1. Adjust the carburetor.
2.Replace the clutch spring.
3. Decrease the speed until the cutter
stops.
The cutter does not
revolve even though
revolution speed is
increased
1. Grass coils around the
cutter.
2.The holder or setting
plate
is loose.
1. Remove the grass.
2.Tighten the nuts on the holder or
setting plate.
Abnormal
vibration
1. The cutter is not
concentric or a
Tooth on the edge is
chipped.
2. The drive shaft is bent.
3. The bolts on the
gear case are loose.
1. Adjust the hole of the cutter with the
machine and tighten the screws.
Or replace the cutter.
2. Replace the drive shaft.
3. Tighten the bolts on the gear case.
SMC CORP
No.8, Wu Ying S. Rd., Pu Xin, Chang Hwa, 51010, Taiwan
TEL : +886-48285327 FAX : +886-48285324
