Lutz-Jesco C 2526, Operating Instructions Manual

Page: 26 / 48

Maintenance
Maintenance on the flow meter
26
© Lutz-Jesco GmbH 2016 BA-20901-02-V01
Chlorinator C 2526 Operating instructions
12.4.1 Cleaning the device
The device is only cleaned from outside. Interior cleaning is only required
in the following cases:
n
Heavy soiling in the flow meter
n
Malfunctions
12.4.2 Replacing the connection seals
The seals in all pipe unions are replaced.
Perform the following working steps:
1.
Loosen the union nuts and remove the O-rings with a blunt tool.
2.
Clean the sealing surfaces with a soft cloth.
3.
Look into the interior of the connection. Should a lot of soiling be
visible, the device requires cleaning from inside.
4.
Fit the new O-rings and the connections. The union nuts are
tightened by hand.
ü
Connection seals renewed.
12.4.3 Renewing the seals on the dosing valve
Pre-conditions for actions:
@
Cotton swabs
@
Cleaning alcohol
Fig. 17: Seal on the dosing valve
Perform the following working steps:
1.
Unscrew and remove the valve spindle on the flow meter.
2.
Remove the O-ring with a blunt tool.
3.
Clean the O-ring groove with a damp cloth and if necessary, with a
little alcohol.
4.
Clean the drillhole in the head of the flow meter with a cotton bud
soaked in alcohol.
5.
Mount the new O-ring on the valve spindle. Rub the O-ring with a
little silicone grease.
6.
Insert the valve spindle and screw it in until you feel real resistance.
7.
Unscrew in the valve spindle by 10 revolutions.
ü
Seal is renewed.
12.4.4 Finishing the minor maintenance
After completing the maintenance, perform a functional check in
accordance with section 12.9 „Functional control“ on page 29.
12.5 Maintenance on the flow meter
i For an overview of the components of the flow meter, see
section 14.2 „Flow meter“ on page 33.
The flow meter is cleaned and all elastomers are replaced.
Precondition for action:
ü
The system is prepared in accordance with section 12.3 „Preparing
the system for maintenance“ on page 25.
ü
The fitting maintenance set is available.
@
Cotton swabs
@
Cleaning alcohol