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23 Inspection and Maintenance
22.2
Cleaning the Guide Bar and
Saw Chain
WARNING
■ To reduce the risk of personal injury from unin‐
tended activation, remove the battery and
engage the chain brake before carrying out
any cleaning work,
saw should carry out only the cleaning descri‐
bed in this manual.To help prevent injuries,
always wear heavy-duty work gloves when
handling the chain.
To properly clean the guide bar and chain:
► Remove the guide bar and the chain,
14.2.2.
1
► Clean the oil outlet duct (1), oil inlet bore (2)
and groove (3) with a brush, a slightly damp‐
ened cloth or resin solvent, such as STIHL
Resin Remover & Lubricant. Do not use deter‐
gents.
► Clean the chain with a brush, a slightly damp‐
ened cloth or resin solvent. Do not use deter‐
gents.
► Do not use a pressure washer to clean the
guide bar or chain or otherwise spray them
with water or other liquids.
23 Inspection and Mainte‐
nance
23.1
Inspecting and Maintaining the
Chain Saw
WARNING
■ To reduce the risk of personal injury from unin‐
tended activation, remove the battery before
inspecting the chain saw or carrying out any
maintenance,
10. Carry out only the main‐
tenance operations described in this manual.
There are no user-authorized repairs. STIHL
recommends that repair work be performed by
authorized STIHL servicing dealers.
0458-022-8201-A
8. Users of this chain
3
2
3
Proper maintenance of the chain saw includes
the following activities:
► Inspecting the chain sprocket periodically and
having a worn chain sprocket replaced by an
authorized STIHL servicing dealer.
► Inspecting the guide bar for proper groove
depth and spread and replacing the guide bar
it if it shows signs of excessive wear or dam‐
age.
► Periodically sharpening the chain, maintaining
the depth limiting guides at the appropriate
height and replacing the saw chain when indi‐
cated by the relevant wear marks or when the
chain is damaged or shows signs of excessive
wear.
► Having worn, missing or damaged safety
labels replaced by an authorized STIHL serv‐
icing dealer.
If you make a warranty claim for a component
which has not been serviced or maintained prop‐
erly, coverage may be denied.
23.2
Inspecting and Maintaining the
Chain Sprocket
► Switch off the chain saw, engage the chain
brake and remove the battery.
► Disengage the chain brake,
► Remove the chain sprocket cover, saw chain
and guide bar.
a
► Check the chain sprocket cover for wear
marks.
► If the wear marks are deeper than
a = 0.020 in. (0.5 mm), have the chain
sprocket replaced.
STIHL recommends using genuine STIHL chain
sprockets to ensure optimal functioning of the
chain brake.
Alternating between two chains helps reduce
wear to the chain sprocket.
23.3
Inspecting and Maintaining the
Guide Bar
► Switch off the chain saw, engage the chain
brake and remove the battery.
English
15.2.
35
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