4.12
Cleaning, Maintenance and
Repair
WARNING
■ The saw chain can start up unintentionally if
the engine is running during cleaning, mainte‐
nance or repair operations. This may result in
serious injury to people and damage to prop‐
erty.
► Shut off the engine.
► Engage the chain brake.
■ The muffler and engine may be hot after a
period of operation. This can result in burn
injuries.
► Wait until the muffler and engine cool down.
■ Aggressive cleaning agents, a water jet or
pointed objects can damage the chainsaw,
guide bar and saw chain. If the chainsaw,
guide bar or saw chain are not cleaned cor‐
rectly, components may no longer function
properly or safety devices may be rendered
inoperative. They may cause serious injury to
persons.
► Clean the chainsaw, guide bar and saw
chain as described in this user manual.
■ If the chainsaw is not maintained as described
in this user manual, components may no lon‐
ger function properly or safety devices may be
rendered inoperative. This may result in
serous or fatal injury to people.
► Service or repair the chainsaw as described
in this user manual.
■ If the guide bar and saw chain are not main‐
tained or repaired as described in this user
manual, components may no longer function
properly or safety devices may be rendered
inoperative. They may cause serious injury to
persons.
► Service or repair the guide bar and saw
chain as described in this User Manual.
■ The user may be cut by the sharp cutters
while cleaning or servicing the saw chain. This
may result in injury to the user.
► Wear work gloves made from resistant
material.
5
Preparing the Saw for
Operation
5.1
Preparing the Saw for Opera‐
tion
Perform the following steps before starting work:
► Make sure the following components are in a
safe condition:
–
–
–
Saw chain, 4.6.3.
► Clean the saw, 15.1.
► Mount the bar and chain, 6.1.1.
► Fill up with chain oil, 6.3.
► Check the chain brake, 10.4.
► Check chain lubrication, 10.6.
► If you cannot carry out these steps: Do not use
your chainsaw and contact your STIHL servic‐
ing dealer for assistance.
6
Assembling the Saw
6.1
Mounting and Removing the
Bar and Chain
6.1.1
Mounting the bar and chain
The bar and chain combinations that can be
used with the chain sprocket are listed in the
specifications, 20.1.
► Shut off the engine and engage the chain
brake.
3
1
2
4
0000-GXX-7577-A0
► Rotate the nut (1) counterclockwise until the
chain sprocket cover (2) can be removed.
► Remove the chain sprocket cover (2).
► Turn the tensioning screw (3) counterclock‐
wise until the tensioner slide (4) butts against
the left end of the housing.
7
8
5
6
0000-GXX-7553-A0
English
5 Preparing the Saw for Operation
10
0458-568-8321-B
