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Horse and cattle shearing machine GT474(K) / GT677(K) and cutter head GT367
7. Changing the cutter plates
Important:
Unplug
changing the cutter plates!
Turn the knurled nut 3 and the regulating screw 4 2 complete
turns.
Then loosen the two clamping screws 9, pull the lower cutter
plate 1 forward and remove the upper cutter plate 2.
Before installing the upper cutter plate 2 be sure the oscillating
blocks 8 engage in the groove in the oscillator 7 that is provided
for them.
Additionally, when installing the upper cutter plate 2 be sure that
both tips B of the oscillator 7 engage properly in the boring C of
the upper cutter plate 2 (see fig.).
Then slide the lower cutter plate 1 beneath the head of the
clamping screw 9 as far as it will go until it touches the cutter head
housing, and tighten the two clamping screws 9.
Finally, tighten the regulating screw 4 until the two cutter plates
exert slight pressure on each other.
8. Adjusting plate pressure
The adjustment should be carried out while the device is running and
without the aid of any tools.
First loosen the knurled nut 3 and then carefully loosen the
regulating screw 4 until the upper cutter plate 2 is no longer
exerting pressure on the lower cutter plate 1 (sound of machine
becomes higher-pitched).
Then tighten the regulating screw 4 until you feel slight resistance.
From this point, give the screw another approx. ¼ turn and then
attach the 3 knurled nut.
Avoid setting the pressure on the cutter plates too high, as this will
lead to excessive heat build-up, which in turn will cause increased
wear.
9. Removing the cutter head
Be sure to unplug the machine before removing
the cutter head!
Remove both screws 6. Then turn the cutter head very slightly
(about 15°) counterclockwise.
The cutter head can now be removed from the motor (see fig.).
The cutter head should be carefully re-attached to the motor after
it has been thoroughly cleaned and its gear wheel has been lightly
greased (see section 6). When re-attaching the cutter head, it
should be turned 15° counterclockwise in such a way that its lower
flange engages with the groove of the motor housing.
12
the
machine
before
10. Cleaning the air filters
WARNING
Risk of burns, fire, electric shock, or injury to
persons!
Unplug this appliance before cleaning.
The two air filters attached at the rear of the motor should be
removed daily for hand-cleaning (more often if they become
clogged), or for cleaning with a suitable tool such as a screwdriver.
The air filters should be thoroughly cleaned with a brush in warm
water.
After drying, the air filters should be re-attached to the machine,
which should be cleaned beforehand.
Important
Clean the air filters frequently in order to ensure that the motor is
adequately air-cooled during operation.
Under no circumstances should the machine be run without air filters
in place!
11. Maintenance and repairs
The cutter head should be cleaned after every few days of shearing
time.
To do this, remove the cutter head from the motor housing (see
section 9) and the cutter plates (see section 7).
Then use a soft cleaning brush or paintbrush to give the interior
surfaces of the cutter head and other unit components a thorough
cleaning.
After carefully reassembling the machine, the cutter head should
be oiled according to the instructions in section 5.
In order to avoid damaging the unit, we recommend that you
contact your dealer, who can supply you with replacement parts,
and can also repair your machine properly.
Before any work is done on the machine, it
should always be unplugged!
12. Service addresses
Albert Kerbl GmbH
Felizenzell 9
84428 Buchbach / Germany
Phone: +49 (0) 8086 933-100
Fax:
+49 (0) 8086 933-500
E-mail: info@kerbl.com
www.kerbl.com
Other service addresses can be obtained from the address indicated
above.
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