![background image](http://html1.mh-extra.com/html/stihl/sp-451/sp-451_instruction-manual_1379763024.webp)
SP 451, SP 481
English
22
Correct position of clips
Lubricating the Pushrod
N
Check the grease level regularly –
about every 150 hours of operation.
N
Unscrew the filler plug (1). If no
grease can be seen on the inside of
the filler plug, screw the tube (2) of
STIHL gear lubricant for
brushcutters (special accessory)
into the filler hole.
N
Squeeze grease into the housing.
N
Remove the tube of grease (2).
N
Refit the filler plug and tighten it
down firmly.
Maintenance Work
STIHL recommends that you have
servicing and repair work carried out
exclusively by an authorized STIHL
servicing dealer.
Antivibration System (AV system)
Rubber elements are installed in the
machine to reduce vibrations.
There are two rubber elements (1) in
front of and behind the control handle
(2). A further rubber element (3) is
installed in the machine support (4).
N
Have the rubber elements checked
at least after every 50 hours of
operation, or if there any visible
signs of wear and/or if there is a
noticeable increase in vibrations.
Do not completely fill the housing
with grease.
4902BA040 KN
1
4902BA041 KN
2
Inspections and
Maintenance by Dealer
4902BA042 KN
1
2
3
4