Operators Manual

35MS 171, MS 181, MS 211
– Inspect the cylinder and clean the
sealing faces (arrows), remove
gasket residue if necessary,
b 16
The sealing faces must be clean
and show no signs of damage.
Parts with damaged sealing faces
must be replaced.
– Check the intake manifold (1) and
replace if necessary, b 14.7
If a new cylinder is installed, transfer
the intake manifold (if it is still
serviceable) from the old cylinder.
533RA102 TG
1
533RA101 TG
Use oil seal (1) 9638 003 1581 if the
engine is not opened.
Install oil seal (2) 9639 003 1585 if
the engine has been opened up.
: Push the installing sleeve (1)
1118 893 4602 onto the
crankshaft.
: Push the new oil seals, open side
facing the crankshaft, onto the
crankshaft stubs.
: Fit the retaining ring (1).
2
217RA085 TG
1
1
533RA107 TG
1
533RA098 TG
– Lubricate the piston, piston rings
and cylinder wall with oil.
: Position the piston rings so that
the radii at the ring gap meet at
the fixing pin in the piston groove
(arrows) – there is otherwise a
risk of ring breakage.
– Align the piston and crankshaft
before installing in the cylinder.
Viewed from the exhaust port, the
long crankshaft stub (1) must be on
the right.
533RA104 TG
533RA105 TG
1