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MAINTENANCE
CH 260 CHIPPER
www.farmiforest.fi
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Fig. 30.Knife--to--chamber distance.
2. The remaining knives are adjusted so that
the knife--to--chamber distances of all
knives are equal.
3. Tighten the knife bracket fastening bolts to
250 Nm (25 kpm).
4. Check all knives by measuring.
5. Check the knife--to--anvil clearances
according to Section 14.7.
15.REPLACING THE SPLINED
SHAFT
1. Remove the upper chamber.
2. Remove the bearings (see Chapter 13).
Welding damages the bearings.
3. Lift the disk up using a hoist.
4. Grind an 15 mm--deep groove about 2 mm
from the edge of the shaft. See Fig. 31.
5. Heat the joint area, if necessary.
6. Move the splined shaft so that it comes
loose and can be removed.
7. Clean the shaft hole and install the new
shaft as shown in Fig. 31..
8. Make a fillet weld up to the surface level
with three runs. Use ESAB 68.81, OK 48,
OK Femax 38.65, or equivalent filler.
Grind a 15--mm--deep groove
about 2 mm from the end of the
shaft.
Area to be heated
Fig. 31.Replacing the splined shaft.
Содержание VALBY CH 260
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