Stihl MS 440 - Technical Specifications and Accessories

58 MS 440, MS 440 C
Troubleshooting chart – b 4.2
The replacement spring comes
ready for installation and is secured
in a frame.
Removing
Wear a face shield and work gloves!
– Remove the rope rotor – b 8.4
: Use suitable pliers to grip the
outer spring loop and lift it up.
– Take the rewind spring out of the
fan housing.
– Remove any remaining pieces of
spring from the fan housing.
VA
138RA108
Installing
– Lubricate the spring with a few
drops of STIHL special lubricant
before installation – b 16.
– Position the replacement spring
with frame in the fan housing.
VA
146RA196
The spring loop must be located
over the lug in the fan housing.
: Position suitable tools on the
recesses (arrows) and push the
spring into its seat in the fan
housing.
If the rewind spring pops out during
installation, fit it in the installing tool
1116 893 4800 as follows:
: Position the anchor loop about
25 mm (0.98 in) from the edge of
the spring housing.
VA
138RA109
: Fit the rewind spring in the spring
housing in the counterclockwise
direction, starting from outside
and working inwards.
– Place the spring housing in the
fan housing.
VA
138RA110
– Press the spring loop into the
recess in the fan housing at the
same time.
– Remove the installing tool.
– Install the rope rotor – b 8.4
– Tension the rewind spring –
b 8.5.1
8.7 Replacing the Rewind
Spring