37FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
Installation
– Remove needle bearing  from the 
rod eye, examine and clean it, 
replace if necessary
: Coat the needle cage (1) with oil 
and insert it in the rod eye
– Examine the piston rings and 
replace if necessary, b 5.8
: Orient the piston as illustrated so 
that the marking (arrow) faces 
rearward and the starter cup (1) 
is on the right
– Position the piston on the rod eye
5904RA086 TG
1
5904RA087 TG
1
– Push assembly drift (2) into the 
piston on the side with the 
installed snap ring
: Push the assembly drift (2) 
1110 893 4700 with the stub end 
first through piston hole and rod 
eye (needle cage) and secure 
the piston
– Coat the piston pin with oil
: Fit the piston pin (1) on the stub 
of the assembly drift (2) and slide 
it into the piston 
: Remove the sleeve (1) 
5910 893 1709 from the installing 
tool (2) 5910 890 2211
5904RA088 TG
1 2
5904RA089 TG
2
1
: Attach the snap ring (1) to the 
magnet (2) and align it so that the 
snap ring gap is on the flat 
side (arrow)
: Push the slotted opening of the 
sleeve over the magnet and snap 
ring
The inner pin (1) must point towards 
the flat face of the 
shaft (2).
165RA153 TG
1
2
5904RA090 TG
2
1