Stihl MS 270 User Manual

Online version - not for reprint
36 MS 270, MS 280
It is not necessary to disassemble
the complete crankcase to replace
the oil seals.
Flywheel side
– Remove the flywheel
– see 7.3.
– Free off the oil seal in its seat by
tapping it with a punch.
 Apply puller (1) 0000 890 4400
with No. 3.1 jaws.
– Clamp the puller arms.
VA
146RA046
1
– Pull out the oil seal.
Take care not to damage the
crankshaft stub.
– Clean sealing face with STIHL
cleaner – see 14.
– Lubricate sealing lip of oil seal
with grease – see 14.
– Thinly coat the outside diameter
of the oil seal with sealant
– see 14.
– Slip the oil seal, open side facing
the crankcase, over the
crankshaft stub.
 Use the press sleeve (1)
1108 893 2405 to install the oil
seal.
VA
146RA047
1
The seating face must be flat and
free from burrs.
– Wait about one minute, then
rotate the crankshaft several
times.
– Install the flywheel – see 7.3.
– Fit the fan cover – see 8.2.
Clutch side
– Remove the clutch – see 5.3.
 Remove the drive spring (1) with
worm.
– Remove the oil pump – see 11.4.
VA
146RA052
1
 Remove the retaining ring
(arrow).
– Free off the oil seal in its seat by
tapping it with a punch.
VA
146RA048
6.3 Oil Seals

Stihl MS 270 Specifications

General

Brand	Stihl
Model	MS 270
Category	Chainsaw
Language	English