Stihl MS 440 Service Manual

14 MS 440, MS 440 C
Wear work gloves to protect your
hands from injury.
: Unscrew the hex nuts (1) on the
chain sprocket cover (2) and
remove chain sprocket cover and
guide bar (3).
VA
138RA002
1
2
3
: Disengage the chain brake by
pulling the hand guard towards
the front handle.
VA
143RA004
: Remove the E-clip (1), washer (2)
and rim sprocket (3) if fitted.
VA
148RA061
3
21
: Remove the clutch drum (1) with
needle cage (2).
– Examine the needle cage for
signs of damage.
VA
148RA062
1
2
: Inspect the clutch drum (1).
If there are signs of serious wear on
the inside diameter of the clutch
drum (1), check the remaining wall
thickness. If it is less than about
80% of the original thickness, fit a
new clutch drum.
VA
148RA101
80%
100%
1
!
If the clutch drum has to be
replaced, also check the brake
band – b 5.4.2
5. Clutch, Chain Drive,
Chain Brake
and Chain Tensioner
5.1 Clutch Drum /
Chain Sprocket

Stihl MS 440 Specifications

General

Displacement	70.7 cc
Chain Pitch	3/8"
Ignition system	Electronic
Starter	Recoil starter
Vibration reduction	Anti-vibration system
Weight (without bar and chain)	6.4 kg
Fuel tank volume	0.73 L
Oil Capacity	0.36 L
Guide Bar Length	40-63 cm
Guide Bar Length (recommended)	40-71 cm (16-28 in)