Stihl MS 440 Service Manual

26 MS 440, MS 440 C
– Remove the decompression
valve, if fitted – b 6.8
: Install plug (1) 1122 025 2200
and tighten down to 25 Nm
(18.44 lbf ft).
: Fit spark plug (2) and tighten it
VA
176RA010
1
2
down firmly – b 3.5
– Remove the exhaust casing on
the muffler – b 6.1
: Half-remove the screws (arrows)
on the muffler.
VA
175RA004
: Slide the sealing plate (1)
0000 855 8106 between the heat
shield and cylinder exhaust port,
then tighten down the muffler
screws again.
The sealing plate must completely
fill the space between the two
VA
176RA012
1
screws.
– Remove the carburetor –
b 12.2.1
– Set the piston to top dead center.
This can be checked through the
inlet port.
: Ensure that the sleeve (1) and
washer (2) are fitted.
VA
176RA062
2
1
Ensure that the pin (1) is located in
hole No. 1 of the test flange
1128 850 4200. If not, it must be
screwed in.
VA
176RA017
1
: Slide the test flange (1) into
place.
The pin must engage properly in the
impulse hose (2) when positioning
the test flange.
: Fit the sleeves (3)
VA
176RA013
3
4
1
2
0000 963 1008.
: Fit nuts (4) and tighten them
down firmly.
6.2.1 Preparations

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)