Perrot VP3 VAC, Maintenance And Operating Instructions, Page: 26 / 29

TDP074e.doc Rev. 28.11.2016 Page 26 / 29
Perrot REGNERBAU CALW GmbH Industriestraße 19 ‐ 29 / D ‐ 75382 Althengstett / Germany
Tel.: +49 ‐ 7051 ‐ 162 ‐ 0 / Fax: +49 ‐ 7051 ‐ 162
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133
E ‐ mail: perrot@perrot.de / Construction team e ‐ mail: technik@perrot.de
8.4 Fitting the valve insert

Fitting the valve using valve lifter RT25359.

Prior to fitting, check valve for any damage to the membrane.

Check for any dirt and clear away.

Screw the valve insert with the stainless steel disc onto the valve lifter.
The chambered surface of the stainless steel disc must point to the valve
insert.

In order to make fitting easier, the valve insert can be slightly
lubricated with oil or grease.

Insert the valve down into the guide housing by applying some gentle
taps.

Using pliers RT17844, now fit the retaining ring into the groove provided
for it above the thrust washer.
The sprinkler insert is fitted in reverse order.
8.5 Cleaning the piston drive and piston drive chamber
If due to becoming very dirty the drive is no longer working, the piston drive should be
taken out and cleaned.
Removing the piston drive: See repair guide TDP055 ‐ rep .
8.6 Removal / installation of the control unit
Ensure sprinkler is not under pressure.
Taking out the control unit

Lift cover and fix with safety catch.

Undo all 3 locking screws and take off cable compartment cover.

Unclip control unit from protective casing and lift up.
Safety catch