SMufflerpark Arresting Screen in
Checking Spark Plug
4
A
•
Use only resistor type spark plugs
of the approved range.
1
Rectify problems which have caused
fouling of spark plug:
6
5
Incorrect carburetor setting, too much oil
in fuel mix, dirty air filter,
unfavorable running conditions, e.g.
operating at part load.
If engine is down on power, check the
spark arresting screen in the muffler:
•
Wrong fuel mix (too much engine oil in
the gasoline), a dirty air filter and
Fit a new spark plug after
approx. 100 operating hours -
or earlier if the electrodes are
badly eroded.
•
Allow muffler to cool down.
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.
•
Take out the four screws.
•
Remove the muffler upper
casing (4).
!
Warning!
•
Bend back the retaining tabs (5).
To reduce the risk of fire and burn injury,
use only spark plugs authorized by
STIHL (see “Specifications”). Always
press spark plug boot (2) snugly onto
spark plug terminal (1) of the proper
size. (Note: If terminal has detachable
SAE adapter nut, it must be attached.)
A loose connection between spark plug
terminal and ignition wire connector in
the boot may create arcing that could
ignite combustible fumes and cause a
fire.
•
Pull out the spark arresting screen
If engine is down on power, difficult to
start or runs poorly at idling speed,
first check the spark plug.
(6).
•
Clean spark arresting screen if
necessary. If screen is damaged or
coked up, fit a new one.
•
Remove spark plug -
•
Refit the spark arresting screen in
the reverse sequence.
see chapter “Starting”:
•
Clean dirty spark plug.
•
Check electrode gap -
it should be 0.5mm/0.02" (A) -
readjust if necessary.
40
044
| Categories | Chainsaw Manuals, STIHL Chainsaw Manuals |
|---|---|
| Tags | STIHL 044 |
| Download File |
|
| Language | English |
| Product Brand | STIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Chainsaw |
| Document File Type | |
| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
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