33USG
English
Observing the instructions in this manual 
helps reduce the risk of unnecessary 
wear and damage to the unit.
The unit must be operated, maintained 
and stored with the due care and 
attention described in this owner’s 
manual. 
The user is responsible for all damage 
caused by non-observance of the safety 
precautions, operating and maintenance 
instructions in this manual. This includes 
in particular:
– Alterations or modifications to the 
product not approved by STIHL.
– Using attachments or sharpening 
tools not approved by STIHL.
– Using the product for purposes for 
which it was not designed.
– Consequential damage caused by 
continuing to use the product with 
defective components.
Maintenance Work
All the operations described in the 
“Maintenance Chart” must be performed 
on a regular basis. If these maintenance 
operations cannot be performed by the 
owner, they should be performed by an 
authorized STIHL servicing dealer.
If these operations are not carried out 
as specified, the user assumes 
responsibility for any damage that may 
occur.
Among other things, this includes:
– Damage to the unit due to  neglect 
or deficient maintenance.
– Corrosion and other consequential 
damage resulting from improper 
storage.
– Damage and consequential 
damage resulting from the use of 
parts other than original STIHL 
replacement parts.
– Damage resulting from 
maintenance or repair work not 
performed by authorized STIHL 
servicing dealers.
Parts Subject to Wear and Tear
Some parts of the unit are subject to 
normal wear and tear even during 
regular operation in accordance with 
instructions and, depending on the type 
and duration of use, have to be replaced 
in good time. 
Among other parts, this includes:
– Grinding wheels
– Carbon brushes
– Transparent shield
– Clamping lever and thrust pad
– Clamping and guide rails
–Stop
Minimize Wear and
Avoid Damage