Spark Arresting Screen In Muffler - Stihl MS 880 Manual De Instrucciones

English / USA
Erratic idling behavior, poor
acceleration
(althogh low speed screw is open one
quarter turn)
Idle setting too lean:
:
L =Turn low speed screw (L)
counterclockwise until the engine
runs and accelerates smoothly.–
no further than stop.
It is usually necessary to change the
setting of the idle speed screw (LA)
after every correction to the low speed
screw (L).
44
Fine Tuning for Operation at High
Altitude
A slight correction of the setting may be
necessary if engine power is not
satisfactory when operating at high
altitude:
:
Check the standard setting.
:
Warm up the engine.
:
Turn high speed screw (H) slightly
clockwise (leaner), turn no further
than stop.
If the setting is too lean there is
a risk of engine damage due to
insufficient lubrication and
overheating.
Spark Arresting Screen
in Muffler*
3
1
1
2
1
1
If the engine is down on power, check
the spark arresting screen in the muffler
:
Allow muffler to cool down.
:
Take out the four screws (1).
:
Remove the cover plate (2).
: Remove the spark arresting
screen (3).
:
Clean spark arresting screen.
If screen is damaged or heavily
carbonized, fit a new one.
:
Refit the spark arresting screen in
the reverse sequence.
* see „Guide to Using this Manual"
MS 880