Stihl MS 390 User Manual

21MS 290, MS 310, MS 390
If the groove of the anchor pin is
worn, install a new pin.
Drive out the pin in the direction of
the arrow so as not to damage the
annular bead which was formed in
the engine housing bore when the
pin was originally installed. The new
anchor pin will not otherwise fit
properly and the brake spring will
not be held securely.
Brake spring anchor pin
– Disconnect the brake spring,
b 5.6.2
– Remove the cylinder, b 6.5.1
: Use a 4 mm drift to remove the
209RA185
VA
pin by driving it outwards.
If the pin cannot be seen on the
inside of the housing, use a suitable
tool to expose it.
– Installing, b 5.7.2
Hand guard pivot pin
– Remove the hand guard,
b 5.6.2
– Remove the cylinder, b 6.5.1
: Use a 4 mm drift to remove the
209RA188
VA
pin by driving it outwards.
– Installing, b 5.7.2
Spring anchor pin
– Remove the muffler, b 6.1
– Remove the handle housing,
b 9.2
: Use a 2 mm drift to remove the
pin by driving it outwards.
– Installing, b 5.7.2
209RA189
VA
Cam lever pivot pin
– Remove the muffler, b 6.1
– Remove the handle housing,
b 9.2
: Use a 4 mm drift to remove the
209RA190
VA
pin by driving it outwards.
– Installing, b 5.7.2
Lever pivot pin
– Remove the muffler,
b 6.1
– Remove the handle housing,
b 9.2
: Use a 4 mm drift to remove the
pin by driving it outwards.
– Installing, b 5.7.2
209RA191
VA
5.7 Replacing Pins
5.7.1 Removing

Stihl MS 390 Specifications

General

Brand	Stihl
Model	MS 390
Category	Chainsaw
Language	English