Concave Adjustment; Landroll Scraper - Textron RANSOMES Super Certes 51 Manual De Seguridad, Funcionamiento Y Mantenimiento

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8.7

CONCAVE ADJUSTMENT ________________________________________

If the grass clippings do not enter the grass box
satisfactorily, the concave needs adjusting.
1.
Ensure that the concave aligns correctly with the
edge of the bottom block.
2.
Slacken the screws [C] which secure the concave
to the top deck.
3.
Move the concave until there is approximately
1
1.5mm (
/
in) between the concave and the
16
cutting cylinder, measured as close to the centre
point of the cylinder as possible. Should there be
difficulty in obtaining the adjustments, the reverse
the hinge brackets.
4.
Retighten the screws.
As the cutting cylinder gradually wears, it may eventually be necessary to slightly flatten the concave to
1
maintain the 1.5mm (
/
into the box in wet conditions.
NOTE: The concave must not touch the cutting cylinder.
8.8

LANDROLL SCRAPER ___________________________________________

The Landroll scraper should be taught but not so taught
as to distort the side plates. If the scraper becomes
loose tighten by adjusting the self locking nuts [A] at
each end of the scraper. If all adjustment is used up
replace the scraper
in) gap between the concave and the cylinder and keep the grass delivery high
16
8 ADJUSTMENTS
A
Fig. 8.7
Fig. 8.8
en-41

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