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GB-FR-NL-54
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Fig. 18
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GB
CUTTING CYLINDER ADJUSTMENT
(Fig. 18)
To check that the cutting cylinder is set correctly to the
bottom blade:
1.
Hold a thin piece of paper between the edge of
the bottom blade and the spiral cutters, and
turn the cylinder manually.
2.
The paper should be cut cleanly along the
length of the bottom blade; if it is not, some
adjustment is necessary -
BUT DO NOT OVER TIGHTEN.
To Adjust:
1.
Slacken the clamp pin locknuts (A).
2.
Turn the adjuster (B) anticlockwise to move
the cylinder closer to the bottom blade. Make
an 1/8 of a turn alternately to each adjuster.
Second position
3.
Re-tighten the clamp pin locknuts securely and
re-check the setting.
NOTE: The cutting cylinder setting should be checked
every 4 working hours.
If, after adjusting correctly, the paper is not cut cleanly,
the cylinder and bottom blade can be backlapped (See
below).
1.
Check that the cutting cylinder is set correctly
to the bottom blade (See above).
2.
Smear* carborundum paste on the spiral
cutters.
3.
Seated on the tractor, start the engine and
move the hydraulic control lever to the reverse
drive position.
4.
Continue backlapping until a thin piece of paper
can be cut cleanly along the length of the
bottom blade.
NOTE: If necessary, readjust the cutting cylinder to
the bottom blade.
5.
After backlapping, ensure that all traces of
grinding paste are removed from the cutting
edges.
NOTE: It may be necessary to increase the tractor
engine speed to get satisfactory reverse cylinder
speed of approximately 200 rpm for backlapping.
*Obtainable from most automobile service stations.
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