35
FPHT26-4
In
more
detail
. . .
Troubleshooting
Suspected malfunctions are often due to causes that the operators can fix themselves.
Therefore check the equipment 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 qualified person if you cannot solve the problem
yourself!
Problem
Possible cause
Solution
Engine does
not start
Fuel tank empty?
Add fuel.
Stop switch set to
STOP
?
Follow the engine starting procedure.
Incorrect starting procedure? Follow the engine starting procedure.
Spark plug wire not firmly
attached?
Attach the spark plug wire firmly.
Spart plug is wet?
Dry the spark plug.
Spark plug wire is dirty?
Clean the spark plug wire.
Primer has been pressed at
warm start?
Release throttle control lock-out, set
the choke to
Close
position, start
engine several times. If the engine
does not start: remove spark plug
and dry off the electrodes.
Excess fuel in the
combustion chamber?
Spark plug is soiled (tip is
rusted)?
Clean the spark plug.
Primer has not been pressed
at cold start?
Press the primer 6 times and restart.
Follow the engine starting procedure.
Distance from electrode to
spark plug too great?
Set the gap between electrodes
between 0.6-0.7 mm.
Incorrect fuel or incorrect
mixture?
Stop the engine, empty tank, then fill
up with the correct mixture of fuel to
oil (40:1).
Fuel filter clogged?
Have a qualified person clean/
replace the fuel filter.
Spark plug defective?
Replace spark plug.
Engine cold?
Follow cold starting procedure.
Carburetor setting not
correct?
Have a qualified person adjust the
carburetor.
Troubleshooting
