CH180HF
25
15 mm
2 mm
17 mm
43510420
ø
25 m
m
(ø
1”
)
REPLACING THE SPLINED SHAFT
Remove the upper chamber.
Remove the bearings (see Chapter 13). Wel-
ding damages the bearings.
Lift the disk up using a hoist.
Grind an 11-mm-deep groove about 17 mm
from the edge of the shaft. See Fig. 20.
1.
2.
3.
4.
Heat the joint area, if necessary.
Move the splined shaft so that it comes loose
and can be removed.
Clean the shaft hole and install the new shaft
as shown in Fig. 20.
Make a fillet weld up to the surface level with
three runs. Use ESAB 68.81, OK 48, OK Fe-
max 38.65, or equivalent filler.
5.
6.
7.
8.
Fig. 19. Cross-section of the disk and knives / anvils
Area to be heated
knife-to-anvil clearance 1,2-1,5 mm
chip length
disc
knife
vertical anvil locking bolt (A)
adjusting bolt (B)
adjusting nut (C)
vertical anvil
horizontal anvil
knife
fastenign bolt
Grind a 11 mm deep groove about 17 mm
from the edge of the shaft.
Fig. 20. Replacing the splined shaft
Summary of Contents for CH180HF
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