
46 – English
Crankcase and crankshaft
Do as follows:
A Remove the oil filler cap.
B Heat the relevant crankcase half to 200°C.
C. Use protective gloves and press the bearing out
from
the crankcase half.
1. If the crankshaft bearing should remain on the
crankshaft remove it with puller 504 90 90-01.
See fig. 6.
2. If necessary, remove the following parts:
A Bark gripper
B. Rubber stop (A). See fig. 5.
16.1.2 Cleaning and inspections
Clean all parts and scrape of the remains of gasket
material from the mating surfaces of the crankcase
halves. Check the following:
1. That the big-end bearing does not have any
radial play. Axial play is acceptable.
2. That the big-end bearing does not have any
score marks or is discoloured on the sides. See
fig. 7.
3. That the bearing surfaces for the little-end do
not have any score marks or are discoloured.
See fig. 8.
4. That the crankshaft bearings do not have any
play or dissonance.
5. That the surfaces of the seals to the crankshaft
are not worn and that the rubber has not
hardened.
6. That the crankcase is not cracked.
WARNING!
The crankcase halves are hot and
can cause burn injuries. Wear
protective gloves.
NOTE! If the bearings are mounted in the
crankcase, exercise care to avoid dirt and
foreign particles getting in.
Fig. 8
Fig. 7
Fig. 5
Fig. 6
A