Stihl 4141 Series Manual page 16

– Fit the shroud - see 5.1.
Starter side
– Remove shroud - see 5.1.
– Remove the rewind starter - see
7.2.
Remove the spark plug. Fit the
locking screw (1) 4170 893 1200
in the spark plug hole. Turn the
crankshaft counterclockwise until
the piston butts against the
locking screw.
1
2
Use wrench (2) 4141 893 1300 to
remove starter cup (1) from the
crankshaft.
Series 4141 Powerhead
3
Apply puller (1) 5910 890 4400
with jaws 6 (2) and tension the
puller arms.
Pull out the oil seal (3).
Important:
Take care not to damage the
crankshaft stub.
– Inspect crankshaft running face
1
for scores.
– Clean sealing face in the
crankcase and lubricate lip of oil
seal with grease - see 11.
3
Installing oil seal at starter side
Fit installing sleeve (2)
1129 898 4600 over the
crankshaft.
Slip the oil seal (3) over the
crankshaft and against the
crankcase.
1
2
3
Important:
Note installed position: Closed side
of oil seal (3) faces the rewind
starter.
Use press sleeve (1)
4119 893 2400 to press home the
oil seal (3) until it is flush with the
crankcase.
Remove the installing sleeve (2)
and press sleeve (1).
– Fit starter cup on the crankshaft
and tighten to 19 Nm (14 lbf.ft).
– Remove the locking screw
4170 893 1200, fit spark plug and
tighten down to 15 Nm (11 lbf.ft).
– Install the rewind starter - see
7.2.
– Fit the shroud - see 5.1.
1
2
1
2
15