McHale F5500 Baler
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9.7 Chopping system
The machine is equipped with a 15 knife chopping system for fine cutting. If a coarser
chop is required, some of the knives can be removed (See ‘Chopper unit knife removal
& installation’). The Knife Diverter Button on the control box must be held down, whilst
using the pick-up spool to raise (activate) or to lower (deactivate) the knives.
It is recommended to switch the chopping device off when baling very dry material.
In order to protect the chopping device against overload and damage, the knives are
hydraulically protected. If they become overloaded or if a foreign object passes through
the rotor and puts undue pressure on the knives, they are able to momentarily retract
from the position they are in, to let the material which is causing the overload, to pass
into the baler.
9.8 Selectable knives
Selectable knives are available as an option on the machine. The operator can select
between 0, 7, 8 or 15 knives, by turning the tap on the right-hand side of the chopper
unit. The knives must be fully down (retracted), before selecting the desired set of 7,
8 or 15 knives. (See ‘Knife operation’)
NOTE: Keep the knife slots clear of material
To keep the knife slots clear of material, it is recommended to switch the
knives on and off several times daily. To do this, press and hold ‘Knife
Diverter’, while using the tractor pick-up spool lever in the up/down
direction.This will raise/lower the knives. (See ‘Knife operation’)
Selectable knives Selectable knives tap
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