Perrot ZN23-3D, Maintenance And Operating Instructions

Page: 12 / 20

TDP002d ‐ e ‐ f.doc Rev. 26.11.2015 Seite ‐ Page ‐ Page 12 / 20
Perrot REGNERBAU CALW GmbH Industriestraße 19 ‐ 29 / 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
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 :

If bearing nipple has run ‐ in marks

If grooved ring is worn.
Replace the defective parts
Pin
1
Elbow
Guide bush
He.x nut
Grub srew
Cup spring pack
Brake shoe + pin
Shim
Bearing nipple
Cyl. screw
Groved ring
Trust ring
Connection socket