Stihl HT 101 Product Instruction Manual - Page 33

Spark Arresting Screen in, Muffler, Spark Plug - troubles

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Spark Arresting Screen in Muffler If the engine is down on power, check the spark arresting screen in the muffler. N Wait for the muffler to cool down. N Move the slide control to STOP-0. 1 N Lift the spark arresting screen (5) and pull it out. N Clean the spark arresting screen. If the screen is damaged or heavily carbonized, fit a new one. N Refit the spark arresting screen. N Insert the screw and tighten it down firmly. N Fit the shroud. 249BA059 KN N Take out the screw (1). Spark Plug English If engine is down on power, difficult to start or runs poorly at idling speed, first check the spark plug. Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. Wrong fuel mix (too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions (mostly at part throttle etc.) affect the condition of the spark plug. These factors cause deposits to form on the insulator nose which may result in trouble in operation. Removing the spark plug N Move the slide control to STOP-0. 249BA063 KN 3 2 2 N Take out the screws (2) and remove the shroud (3). 249BA060 KN 1 N Pull off the spark plug boot (1). N Unscrew the spark plug. N Take out the screw (4). HT 100, HT 101, HT 130, HT 131 31

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HT 100, HT 101, HT 130, HT 131
English
31
If the engine is down on power, check
the spark arresting screen in the muffler.
N
Wait for the muffler to cool down.
N
Move the slide control to
STOP-0
.
N
Take out the screw (1).
N
Take out the screws
(2) and remove
the shroud (3).
N
Take out the screw (4).
N
Lift the spark arresting screen (5)
and pull it out.
N
Clean the spark arresting screen. If
the screen is damaged or heavily
carbonized, fit a new one.
N
Refit the spark arresting screen.
N
Insert the screw and tighten it down
firmly.
N
Fit the shroud.
If engine is down on power, difficult to
start or runs poorly at idling speed, first
check the spark plug.
Fit a new spark plug after approx. 100
operating hours
or earlier if the
electrodes are badly eroded.
Wrong fuel mix (too much engine oil in
the gasoline), a dirty air filter and
unfavorable running conditions (mostly
at part throttle etc.) affect the condition
of the spark plug. These factors cause
deposits to form on the insulator nose
which may result in trouble in operation.
Removing the spark plug
N
Move the slide control to
STOP
-
0
.
N
Pull off the spark plug boot (1).
N
Unscrew the spark plug.
Spark Arresting Screen in
Muffler
249BA059 KN
1
2
3
2
249BA060 KN
Spark Plug
1
249BA063 KN