Operation Manual

50 MS 241 C
– Carefully slide the piston rings
over the piston
– danger of breakage
: Position the piston rings so that
the radiuses at the ring gaps
encircle the fixing pins in the
piston grooves (arrows)
: Check the correct installed
position of the piston rings
again (arrows)
– Install the piston, b 6.7
– Reassemble remaining parts in
reverse order
2410RA140 TG
6.9 Decompression valve
– Remove shroud, b 6.4
: Unscrew decompression
valve (1)
: Examine the sealing
cone (arrow) on the
decompression valve for signs of
damage
– Use a new decompression valve
if the sealing cone on the
decompression valve does not
seal tightly or is damaged
– Fit the decompression valve by
hand and screw it in
– Screw the decompression valve
tight
– Reassemble remaining parts in
reverse order
2410RA141 TG
1
5902RA164 TG