Husqvarna TrioBrake 550XPG - Dismantling the Centrifugal Clutch

34 - English
Repair Instructions
4
Secure the clutch in a vice as shown in gure 16.
Carefully remove the clutch springs. Remove the
clutch shoe springs from the side that does not
have text.
NOTE!
Be careful with the clutch springs, as
opening them too much can result in
material damage.
Cleaning and inspection
• Clean and check all parts carefully. Parts must
be replaced if cracked or showing signs of
other defects. Always use original spare parts.
• Check the thickness of the clutch shoes by meas-
uring them with slide callipers across the whole
clutch hub. If the thickness is below 65mm, the
clutch must be replaced. See gure16.
2
Loosen the spark plug hat and remove the
spark plug, and insert the plastic piston stop
(575 29 36-01). See gure 15.
3
Loosen the clutch using tool 502 54 16-02 and a
suitable socket wrench or combination spanner.
Turn the clutch clockwise to loosen it. See
gure15.
7.8 Dismantling the centrifugal clutch
1
Remove the cylinder cover. Release the brake by
moving the kickback guard backwards. Loosen the
bar nuts and remove the clutch cover, chain and
bar. See gure 14.
Fig 14
Fig 16
Fig 15
Min. 65 mm