10 Troubleshooting
10.1 Troubleshooting the tool and cropping cylinder
The fitting cannot be placed on the
shielding bar side or only with
There is too much oil in the
Release oil as described under
The fitting cannot be placed on the
stroke rod side or only with difficulty
Fibroflex – Round spring is worn out,
and/or the punch guides need to be
Fibroflex – Replace round spring 4.3
and/or grease punch guides 4.3
The fitting is not cut or the sinking is
There is too little oil in the
transmission cylinder or the oil
Top up oil as described in section 4.2
Chapter 2 and/or check the pressure.
The punching is not clean; no holes
Punch and die are worn out, and/or
piercing punch is broken.
Replace the punch if broken as
described under 4.3 and/or file the
parts in case of wear-out
The fitting is no longer being cut or
the sinking is not spread enough,
and and air is released from item at
Piston seals at pos. 1.8 of the spare
Replace seals: By removing the
hollow core screws at pos. 29 the
rear part of the cropping cylinder can
be disassembled. Finally,
reassemble the cropper as described
under maintenance 4.2 and vent it.
Öil leaks out from the ventilation filter
at pos. 2
Piston rod seal at pos. 1
spare parts list is worn out
Disassemble the cropper as
described above, then remove the
nut at pos. 1.15 to change the seal at
pos. 1.17; reassemble the cropper as
given above.
Oil and/or air comes out of the bore
at pos. 8 and/or air is blown out
sidewards from the press ram.
Piston seals at pos. 1.8 & 1.9 and/or
rod seals at pos. 1.3 of the spare
Replace seals: The front part of the
cropping cylinder can be removed by
unscrewing the hollow core screws
at pos. 27. While reassembling
tighten screw at pos. 27 with a
torque of 23 Nm. Finally, reassemble
the cropper as described under
maintenance 4.2 and vent it.
front stroke back stroke
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