Inspection And Maintenance - Stihl MSA 220.0 T Instruction Manual

English
24 Inspection and Mainte‐
nance
24.1 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, 9. Carry out only the mainte‐
nance operations described in this manual.
There are no user-authorized repairs. STIHL
recommends that repair work be performed by
authorized STIHL servicing dealers.
Proper maintenance of the chain saw includes
the following activities:
► Cleaning the air filter every month of opera‐
tion.
► Inspecting the chain sprocket periodically and
having a worn sprocket replaced by an author‐
ized 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.
► Having the fan housing cleaned semi-annual
by an authorized STIHL servicing dealer.
► For intensive use in palm care, having the
area behind the chain sprocket and around the
chain sprocket cleaned and greased by an
authorized STIHL servicing dealer.
24.2 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.
38
► Check the chain sprocket cover for wear
► If the wear marks are deeper than
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.
24.3
► Switch off the chain saw, engage the chain
► Remove the guide bar and saw chain,
► Measure the depth of the guide bar groove in
► Replace the guide bar if the measured depth
► Check the spread of the guide bar groove with
► Replace the guide bar if the groove is nar‐
16.2.
To maintain the guide bar:

24 Inspection and Maintenance

a
marks.
a = 0.020 in. (0.5 mm), have the chain
sprocket replaced.
Inspecting and Maintaining the
Guide Bar
brake and remove the battery.
15.2.2.
the area with the greatest wear using the
measuring tool on the file gauge sold sepa‐
rately.
is less than the required minimum depths sta‐
ted in 26.4.
the measuring tool on the file gauge.
rowed, spread or shows other signs of sub‐
stantial wear or damage.
0458-007-8201-B