Page 10 Technical Information 08.2005
TI_08_2005_11_01_02.fm
4.2 Special servicing tools
To be procured for the first time for the STIHL
BR 500, 550, 600:
The available special tools are listed in the repair
instructions for the STIHL BR 500, 550, 600.
4.2.1 Stop screw
When servicing, always use stop screw
4282 890 2700.
Stop screw 4180 890 2700 can cause damage to
the piston and crankgear with the 4282.
In the future, stop screw 4180 890 2700 will be
replaced by stop screw 4282 890 2700. Stop screw
4282 890 2700 can also be used for the 4180.
4.2.2 Assembly tool
Use assembly tool 5910 890 2212 for inserting the
snap ring between the piston and piston pin.
The assembly tool must be combined with the new
sleeve 5910 893 1704 for the 4282.
Part name Part number Use
Stop screw 4282 890 2700 Block crankshaft
Sleeve 5910 893 1704 Fit hookless snap rings in piston
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