31FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
: Examine and clean the mating 
surface (arrow), b 14
: Examine and clean the mating 
surfaces (arrows), and remove 
any gasket residues, b 14
Always use a new cylinder gasket 
after removing the cylinder.
– Examine the piston rings and 
replace if necessary, b 5.7, 
b 5.8
If the piston or the piston rings are 
damaged, then the inside of the 
cylinder must also be inspected for 
damage, replace cylinder if 
necessary.
5904RA060 TG5904RA061 TG
Installation
: Orient new cylinder gasket (1) so 
that the tab (2) is located at the 
ridge (3) 
– the openings must match with 
the crankcase
: Guide cylinder gasket (1) over 
the piston and lay it in the 
sleeves (arrows) 
– Cylinder gasket is secured
: Place wooden assembly 
block (1) 1108 893 4800 
between piston and crankcase
Avoid damage to the cylinder 
gasket.
5904RA062 TG
32
1
5904RA063 TG
1
– Coat piston, piston rings and 
inside of cylinder with oil, b 14
: Use the clamping strap (1) 
0000 893 2600 to compress the 
rings around the piston
– Ensure that piston rings are 
correctly positioned, b 5.8
The clamping strap (1) must be 
fitted in such a way that the piston 
rings do not protrude beyond the 
piston sides.
5904RA064 TG
1