Checking/Replacing The Spark Plug (22, 23); Guide Rail (25, 27); Sharpening The Saw Chain (24) - AL-KO solo 6436 Traducción Del Manual Original De Instrucciones

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Maintenance and care
8.3
Checking/replacing the spark plug (22,
23)
In case of damage to the insulation, strong elec-
trode erosion or heavily oil-contaminated elec-
trodes, the spark plug must be replaced.
Preparation
1. Switch off the engine and let it cool down.
2. Remove the air filter cover (see chapter 8.1
"Removing/remounting the air filter cover
(20)", page 50).
3. Remove the spark plug connector (22/1).
Check the electrode spacing (23)
1. Remove the spark plug (22/2) with the sup-
plied combination wrench.
2. Clean the electrode with a brush (23/1).
3. Measure the distance (23/2). The gap dimen-
sion must be 0.6-0.7 mm.
Changing the spark plug
1. Remove the spark plug (22/2) with the sup-
plied combination wrench.
2. Screw in the new spark plug until it stops.
3. Push the spark plug connector onto the spark
plug.
8.4

Guide rail (25, 27)

To prevent asymmetrical wear, the guide rail
should be turned around regularly.
The following maintenance work must be carried
out:
Grease the bearing of the reversing sprocket
(27).
Clean (25) the groove of the guide rail with a
scraper (not included in the scope of supply).
Clean the lubrication holes.
Use a flat file to remove burrs from the guide
flanks and compensate for any deviations be-
tween the guides.
The guide rail must be replaced if:
The depth of the groove is less than the
height of the pulling link (which is never al-
lowed to touch the base of the groove);
The inner guide wall is worn to such an ex-
tent that the chain tilts to the side.
2500096_b
8.5

Sharpening the saw chain (24)

DANGER!
Danger of fatal injury due to kick-
back!
Improperly sharpened saw chain in-
creases the danger of kickback and thus
the danger of fatal injury.
Sharpen the saw chain properly to
reduce the risk of kickback.
NOTE
Inexperienced chain saw operators are
recommended to have the saw chain
sharpened by a specialist at the custom-
er service.
The saw chain must always be well-sharpened
for reasons of safety and efficiency.
Sharpening is required if:
The saw chips are like sawdust.
Greater force is necessary for cutting.
The cut is not straight.
Vibration increases.
Fuel consumption increases.
If you get trained customer service personnel to
sharpen the chain for you, they will be able to do
this with the appropriate tools for a minimum of
material removal and even sharpening of all
teeth.
You can sharpen the saw chain yourself using
special round files whose diameters are adapted
to the specific chain type (see chapter 8.10
"Chain maintenance table", page 53). A certain
amount of skill and experience is necessary to
avoid damage to the teeth.
To sharpen the saw chain:
1. Switch off the engine, release the chain
brake, and clamp the guide rail firmly in a
suitable vice with the saw chain mounted,
while ensuring that the chain can move free-
ly.
2. Tension the chain if it is slack.
3. Place the file in the corresponding guide and
then guide the file through the opening of the
tooth making sure that you keep an even an-
gle according to the tooth profile.
4. Only perform a few strokes of the file and ex-
clusively in the forwards direction, then re-
peat the working step on all teeth in the same
orientation (right or left).
51

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