Husqvarna TrioBrake 550XPG - Assembly of Crankshaft Bearings

66 - English
Fig 76
Fig 77
Fig 78
x4
Assembly of crankshaft bearings
WARNING!
Beware of burn injuries as the
crankcase halves are hot. Wear
protective gloves.
1
New bearings must be used. Proceed as follows:
A. Heat up the crankcase half in question to 200°C.
B. Use protective gloves. When tting the bearing in
the crunkcase half the bearing must be tted to the
stop in the crankcase.
C. Allow the crankcase half to cool down before
continuing with the work.
D. Fit the oil rell cap.
7.26 Assembly of crankshaft and
crankcase
1.
Use the 502 50 30-23 tool. Use the back end of
the sleeve and slot the crankshaft in place into the
clutch side of the crankcase half. See gure 76.
Tighten until the crankshaft collar comes into con-
tact with the bearing.
2.
Insert the guide pin in the crankcase half on the
clutch side, apply grease and t the gasket(C). See
gure 77.
3
Use the 502 50 30-23 tool. Turn the sleeve and slot
the crankcase half in place on the ywheel side.
Tighten until the gasket is pinned in place between
the crankcase halves. See gure 78.
6
Fit the screws. Tighten them alternately. Finally
tighten them to 8 Nm. See gure 79.
7
Fit the carburettor bottom with the four screws.
Tighten the screws using 5 Nm of torque. See
gure 79.
Fig 79
Repair Instructions
NOTE!
Take care to prevent any dirt and foreign
particles from entering the bearings.
NOTE!
Make sure the connecting rod is not crushed
against the crankcase when the crankcase
and crankshaft are tted together.
NOTE!
Make sure that any excess gasket does
not nish up in the crankcase.