Perrot ZN23-3D Manuel D'utilisation Et D'entretien page 12

b)
Place the end of the spring (1) into the drilled hole on the impact lever and bent over the end of
the spring. See sketch
c)
Turn the spring bearing with the torsion spring by 225 degree and drive-in the cylindrical notched
pin. If necessary re-tighten spring, until you got the correct tension (see item 5.3).
6.3 Exchanging the grooved ring
Should there be a leakage at the guide bush, then the grooved ring is defect or the bearing nipple has
run-in marks.
a) Loosen hex. nut and unscrew the grub screw
b) Pull out the cup spring pack
c) Loosen all cylindrical screws, and pull off the connecting socket.
d) Test :
Replace the defective parts
e) Unscrew the bearing nipple, by warming up the elbow at the connection thread to the bearing
nipple right round, by using a blowpipe flame (soldering torch).
TDP002d-e-f
Perrot REGNERBAU CALW GmbH
If bearing nipple has run-in marks
If grooved ring is worn.
Industriestraße 19-27 / D-75382 Althengstett / Germany
Telefon : 0049-7051-162-0 / Fax : 0049-7051-162–133
E-mail : perrot@perrot.de / E-mail Konstruktion : technik@perrot.de
Seite-Page-Page 12 / 19