Stihl MS 650 - AV System; Annular Buffers between Crankcase and Tank Housing

62 MS 650, MS 660
: Fit the thrust sleeve (1), tapered
end first, and the hex nut.
: Tighten down the hex nut until the
bushing is firmly seated.
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1
The installing tool flares the lower
end of the rope bushing.
– Remove the installing tool.
Reassemble all other parts in the
reverse sequence.
– 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.
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Installing
– Lubricate the spring with a few
drops of STIHL special lubricant
before installation –b 17
: Position replacement spring with
frame (1) in the fan housing.
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1
: 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:
: Arrange the rewind spring as
shown in the illustration.
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8.9 Replacing the Rewind
Spring