Assembly Of Sealing Rings - Husqvarna TrioBrake 550XPG Workshop Manual

85
Assemble the following parts:
A. Tank unit.
B. Piston and cylinder.
C. Muffler.
D. Carburettor.
E. Centrifugal clutch.
F. Electrical System.
G. Starter.
H. Bar and chain. See the Operator's Manual.

7.27 Assembly of sealing rings

1
To replace the crankshaft's sealing rings, first dis-
mantle the following parts:
On the flywheel side:
• Starter.
• Flywheel.
On the clutch side:
• Bar and chain.
• Chain guide plate.
• Centrifugal clutch.
• Oil pump.
2
Use a screwdriver to remove the sealing ring and
pull it out.
3
Applyl 2-stroke oil on the sealing lip before assem-
bly.
4
Slide the dowel 575 34 69-01 (figure 80) on the
crankcase pin. Knock the new sealing ring in place
using the 575 34 70-01 tool. See Figure 81.
NOTE! Excessively hard impact can move the
bearing.
5
Fit the parts as outlined in point 1 above.
Fig 80
Fig 81
Repair Instructions
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