40
TTBPP52
In more detail . . .
Troubleshooting
Suspected malfunctions are often due to causes that the operators can x themselves.
Therefore check the machine using this section. In most cases, the problem can be
solved quickly.
WARNING! Only perform the steps described in these instructions! All further
inspection, maintenance and repair work must be performed by an authorised
service centre or a similarly qualied specialist if you cannot solve the problem
yourself!
Problem Possible cause Solution
Engine does
not start
Fuel tank empty? Fill the fuel tank.
Stop lever at STOP
position?
Set the lever to idle position. Follow the
engine starting procedure.
Incorrect starting
procedure?
Follow the engine starting procedure.
Spark plug connector not
rmly attached?
Attach the spark plug connector rmly.
Spark plug is wet? Dry the spark plug.
Spark plug connector is
dirty?
Clean the spark plug connector.
Mufer is dirty? Clean the spark arrestor screen on the
mufer.
Excess fuel in the
combustion chamber?
Set the choke lever to the RUN
position and pull the recoil starter
handle several times.
If the engine does not start: remove
spark plug and dry the electrodes.
Spark plug is soiled (tip is
rusted)?
Clean or replace the spark plug.
Primer has been pressed
at cold start?
Press the primer 7 times and restart.
Follow the engine starting procedure.
Gap between electrodes is
too large?
Set gap between electrodes between
0.6-0.7 mm0.6-0.7 mm.
Incorrect fuel or incorrect
mixture?
Stop the engine, empty tank, then ll
up with the correct mixture of fuel to oil
(40:1).
Troubleshooting