perrot ZN23-3D Bedienungs- Und Wartungsanleitung Seite 13

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).
f) Prior to screwing in the bearing nipple into the elbow, the thread has to be cleaned.

g) Replace the grooved ring and the thrust ring on the bearing nipple.
h) Re‐fit the connecting socket in such a way, that the grooved ring is not damaged.
i) Screw in all cylindrical screws
j) Reassemble the cup spring pack and the grub screw
(See adjustment of brake point 5.2)
6.4 Adjustment of the trip stops
Trip stop
Sunken screw
If the trip stop is worn, the sunken screw must be loosened and the trip stop has to be rotated by
approx. 45 degree. Re‐tighten the trip bolt.
7. Break‐down and elimination of the defects
Faults
Sprinkler turns slowly, it almost stops
The impact lever does not enter the jet
stream anymore
Bad water jet
The sprinkler does not switch over the
reverse direction in the part circle range
The part circle angle is larger than set
originally.
Metallic noise when the impact lever hits
the jet pipe
Water leaks at the connection socket
Subject to change without prior notice.
TDP002d‐e‐f.doc
Perrot REGNERBAU CALW GmbH Industriestraße 19‐29 / D‐75382 Althengstett / Germany
Telefon : 0049‐7051‐162‐0 / Fax : 0049‐7051‐162–133
E‐mail: p errot@perrot.de / E‐mail Konstruktion : technik@perrot.de
Put a few drops of Loctite on the thread of the elbow
Cause
The brake shoes have a too little or too
strong a brake power
Torsion spring is broken
The stream straightened is blocked by
stones or fibrous impurities
Trip spring is broken. Trip roller is worn
Spring stop is broken
The rubber buffer is worn
The grooved ring is worn
Rev. 26.11.2015
Elimination
Adjust brake (see point 5.2)
Replace torsion spring Observe the
pre‐tension of the torsion spring (see
point 5.3)
Loosen hex. nut
Take off the jet pipe with the nozzle,
take out the stream straightened and
clean it.
Replace the trip spring Fit new trip
roller
Replace spring stop
Replace rubber buffer
Replace grooved ring. Perhaps the
bearing nipple has to be replaced too,
(see point 6.3)
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