► The file only sharpens on the forward stroke –
lift it off the blade on the backstroke.
► Use a whetstone to remove burr from cutting
edge.
► Remove as little material as possible.
► After sharpening, clean away filing or grinding
dust and then spray the cutting blades with
STIHL resin solvent.
NOTICE
Do not operate your machine with dull or dam‐
aged cutting blades. This may cause overload
and will give unsatisfactory cutting results.
16 Maintenance and Care
The following intervals apply to normal operating con‐
ditions only. If your daily working time is longer or
operating conditions are difficult (very dusty work area,
etc.), shorten the specified intervals accordingly.
before starting work
after finishing work or daily
weekly
monthly
every 12 months
if problem
if damaged
as required
Complete machine Visual inspection X
Clean X
Cooling air inlet Visual inspection X
Clean X
Cutting blades Visual inspection X
Clean
2)
X
Sharpen
1)2)
X
Have replaced by servic‐
ing dealer
1)
X
Gearbox lubrication Check X
Replenish X
Carbon brushes. Have checked by servic‐
ing dealer
1)
after every
100 hours of operation
Have replaced by servic‐
ing dealer
1)
X
All accessible screws and
nuts
Retighten X
Safety labels Replace X
1)STIHL recommends an authorized STIHL servicing dealer.2)Spray with STIHL resin solvent after
cleaning
17 Minimize Wear and Avoid
Damage
Observing the instructions in this manual helps
reduce the risk of unnecessary wear and dam‐
age to the power tool.
The power tool must be operated, maintained
and stored with the due care and attention
described in this instruction manual.
The user is responsible for all damage caused by
non-observance of the safety precautions, oper‐
ating and maintenance instructions in this man‐
ual. This includes in particular:
–
Alterations or modifications to the product not
approved by STIHL.
–
Using tools or accessories which are neither
approved or suitable for the product or are of a
poor quality.
–
Using the product for purposes for which it
was not designed.
English 16 Maintenance and Care
14 0458-277-0121-B
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