4.
Stop
Suddenly
When
Running
TROUBLE CAUSE REMEDY
Fuel supply system
1.
Refill fue
1.
Fuel
is
finished
2. Check fuel line and dredge
2.
Carburetor
is
clogged
3.
Repair
3.
Float chamber
is
leaking
4. Dismantle
feat
chamber and
4. Needle valye
is
sticked
eliminate
it
Ignition system
1.
Spark plug
is
punctured,
or
short-
1.
Replace spark plug
Stop suddenly when
circuited by carbon deposit
running
2.
Side
electrode of spark
plug
is
dropped out
2. Replace spark plug
3.
Weldon
3.
High-tension
wire
is
dropped
out
4. Replace ignition coil
4. Ignition coil is punctured
or
short-
circuited
5.
Find
out
meeting and insulate
5.
Parking
wire
is
located on engine body
The
other
1.
Cylinder is seriously scored and valve
1.
Repair
or
replace damaged parts
dropped
out
5. Gasoline Engine Is
Overheat
TROUBLE
CAUSE
REMEDY
1.
Oil insufficient
or
wrong
oil ratio in
the
gasoline
2.
Exhaust pipe blocked up
1.
Refill engine oil
3.
Shroud leaking
2.
Clean exhaust pipe
4. Cooling fins blocked by foreign
matter
3.
Repair damaged
part
Gasoline engine is
5.
Connection rod deformation
to
make
4. Clear cooling fins
overheat
piston and cylinder bushing side wear
5.
Replace connection rod
6.
Cylinder
or
piston
or
piston ring
is
worn
6.
Replace
the
won
parts
to
make hunting between cylinder and
crankcase
7.
Readjust engine governor
7.
Improper adjustment
of
engine governor
8.
Replace main bearing
to
produce speed high
8.
Crankshaft main bearing
burnt
out
.A
CAUTION
The
gasoline
engine
should
be
kept about
80
-110°C
temperature around the outlet of the
shroud.
If
the temperature
is
too
high,
it
will indicate the
gasoline
engine
overheating.
15 I
Troubleshooting
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