Assembly Of Crankshaft Bearings - Husqvarna TrioBrake 550XPG Workshop Manual

Repair Instructions

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 fitting the bearing in
the crunkcase half the bearing must be fitted to the
stop in the crankcase.
C. Allow the crankcase half to cool down before
continuing with the work.
NOTE!
Take care to prevent any dirt and foreign
particles from entering the bearings.
D. Fit the oil refill cap.
NOTE!
Make sure the connecting rod is not crushed
against the crankcase when the crankcase
and crankshaft are fitted together.
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 figure 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 fit the gasket(C). See
figure 77.
3
Use the 502 50 30-23 tool. Turn the sleeve and slot
the crankcase half in place on the flywheel side.
Tighten until the gasket is pinned in place between
the crankcase halves. See figure 78.
6
Fit the screws. Tighten them alternately. Finally
tighten them to 8 Nm. See figure 79.
7
Fit the carburettor bottom with the four screws.
Tighten the screws using 5 Nm of torque. See
figure 79.
NOTE!
Make sure that any excess gasket does
not finish up in the crankcase.
66
- English
Fig 76
Fig 77
Fig 78
Fig 79
x4