Stihl MS 391 Safety Manual

MS 311, MS 391
English
31
Remove shroud
N Move the Master Control lever to the
stop position 0
N Push the hand guard forwards – the
saw chain is blocked
N Loosen screws (1)
N Remove the shroud (2)
Removing the fan housing
N Remove screws (1)
N Push hand guard upward
N Pull the bottom of the fan housing
away from the crankcase and
remove downwards
Replace torn starter rope
N Carefully press the spring clip (2) off
of the axle with a screw driver or
suitable pliers
N Carefully remove the rope rotor with
washer (3) and pawls (4)
N Lever the rope out of the starter
handle with a screwdriver
N Remove the remainder of the rope
from the rotor and starter handle
N Thread the new starter rope through
the starter handle and secure it by
making a special knot
N Pull the knot into the starter handle
N Thread the rope from above through
the rope guide bush (5) and rope
rotor (6) and secure with a simple
knot
N Coat the bearing bore in the rope
rotor with non-resinous oil
N Slip the rope rotor onto the starter
post (7) – turn it back and forth a
little until the anchor loop of the
rewind spring engages
Replacing the Starter Rope
and Rewind Spring
1
4903BA002 KN
1
1
2
1
1
1
1
4903BA005 KN
The rewind spring can jump out –
risk of injury!
4
4
3
2
001BA096 KN
213BA018 KN
6
7
213BA020 KN
5

Stihl MS 391 Specifications

General

Motor type	2-stroke motor
Chain gauge	1.6 mm
Chain pitch	3/8 \
Automatic oiling	Yes
Oil tank capacity	0.35 L
Fuel tank capacity	0.6 L
Engine displacement	64.1 cm³
Engine power	4.4 hp
Power source	Gasoline

Weight and Dimensions

Weight	6200 g