(s) either remove the blades or wrap the crossbeater(s)
in old carpet or hessian sacking.
It is not necessary to remove the crossbeater(s) to
replace the bearings.
Before the crossbeater(s) can be removed, remove the
large top cover and the left hand hinged drive chain
guard.
Release the chain tension on the side drive chains and
remove them. The sprocket and bearing can now be
removed from the input shaft of the beater to be
removed. Loosen the grub screws retaining the
bearings on the shafts before removal.
SINGLE BEATER
To replace the crossbeater, it will be necessary to
remove the bale restraint assembly. To do this, release
the bolts at each end of the bale restraint beam.
Suspend the assembly with a suitable lifting device and
remove.
Loosen the grub screws retaining the bearings on the
shafts at the other end of the beaters. Now remove the
right hand mid body panel. With the mid body panel
removed, the crossbeater can now be withdrawn from
the machine.
Refitting is a reverse of the above.
TWIN BEATER
To replace either crossbeater, it will be necessary to
remove the bale restraint. To do this, release the
retaining washers at the ends of the pivot shaft and
remove the bale restraint mount from the right hand end,
making sure the bale restraint is well supported. Slide
the bale restraint out of the mount at the left-hand end.
With the upper crossbeater supported by a suitable
lifting device and the lower crossbeater supported on
blocks. Loosen the grub screws retaining the bearings
on the shafts at the other end of the beaters. Now
remove the right hand mid body panel.
With the mid body panel removed, the upper cross
beater can now be withdrawn from the machine. The
lower crossbeater can now be removed.
Refitting is a reverse of the above.
ROTOR REMOVAL
First, remove the front drive guard, valve guard, housing
top and hose support. Release the hoses to the chute-
operating ram. Wedge the rotor to prevent rotation and
unscrew the bolt in the centre of the rotor. Support the
bottom of the gearbox and secure it with a rope so that
when it is released it does not fall. Remove the 11 bolts
retaining the rotor gearbox.
Suspend the rotor from a lifting device so that it can be
removed safely. The rotor is located on a taper and will
usually require a special tool to remove the rotor from
the gearbox. This tool is available from the
manufacturer.
Lift the rotor clear of the housing
Refitting is a reverse of the above.
CROSSBEATER SHEAR BOLTS
To replace the shear bolt, open the hinged left hand
drive guard to gain access to the shear sprocket.
Grease the sprocket hub before replacing the shear bolt.
One Grade 10.9 M8 x 50 bolt should be fitted.
GEAR BOX
After 50 hours of use the gear box oil should be drained
and replaced with new oil. To drain the oil, remove the
valve guard, remove the drain and filler plugs and allow
it to empty. Waste oil should be collected and disposed
of at an oil recycling facility
Refill the gearbox with SAE90.EP gearbox oil. The oil
capacity of the gearbox is 4.7ltrs (1.25 Gallon).
DRIVE CHAINS
Apply chain lubricant or oil weekly to these chains.
To tension the bed chain drive on the 8080 models,
remove the guard covering the chain, release the 4
clamp bolts on the motor mounting plate. Using the
tensioning bolt provided jack the motor mounting plate
until the chain has 12mm movement midway between
the sprockets (see figure 4).
To tension the crossbeater chain drive, remove the
shear sprocket cover from the left hand chain guard.
Release the clamp bolt and reposition the relevant
tensioner so that there is the correct movement
midway between the sprockets on the opposite side to
the tensioner (see figure 4 and table 2).
Figure 4 Chain tension.
Table 2 Chain deflection
SWIVEL CHUTE
The chute is rotated by means of a gear and ring gear.
It is important that this is well greased. To apply
grease to the ring gears there are 4 nipples on the
clamp plates.
The deflector ram has 2 grease nipples, one on each
pivot bush.
Drive Chain Single Beater
Deflection mm
Twin Beater
Deflection mm
Outer drive 15 15
Cross beater - - - 12
8
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