56 MS 441, MS 441 C
: Apply assembly tool
5910 890 2212 to the piston boss
with the tapered end of the
sleeve, hold the piston steady
and press the tool shaft in until
the snap ring engages in the
groove.
219RA159 TG
The tool must be precisely lined up
in axial direction of the piston pin.
This procedure must be performed
for both sides, as the piston has
a snap ring on each side.
The snap ring (1) must be fitted so
that the gap in the ring (arrow)
points upwards or downwards in
axial direction of the piston.
1
219RA160 TG
– Examine piston rings, replace if
necessary, b 8.8.
– Install cylinder, b 8.5.
– Reassemble all other parts in the
reverse sequence.
219RA161 TG
– Tightening torques, b 3.5.
– Remove piston, b 8.7.1.
– Remove piston rings from piston.
: Scrape the grooves clean with
a piece of old piston ring.
219RA162 TG
: Fit the new piston rings so that
the ground radii (arrows) at the
ring gap face upwards.
219RA163 TG
8.8 Piston rings
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