Stihl MS 440 Service Manual

84 MS 440, MS 440 C
System in order
Pull connectors off
heater switch
Test front handle
heating element
Resistance about 7 Ω?
Check
heater switch
Closed: about 0 Ω ?
Open: Circuit interrupted
(On machines with carburetor heating,
refit connector pin of wire
from heating element in the
round plug)
no
no
Install new
front handle
Install new
heater switch
yes
yes
Test ground wire between tank housing
and crankcase
Resistance between switch housing
and crankcase about 0 Ω ?
no
Install new
ground wire
yes
1
2
3

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)