Efcon omy, Installation & User Manual, Page: 28 / 48

Installation & User Manual - Sampling Systems
Version 140618 UK
Page 28
6.5 Maintenance
Be aware! Remove power supply, compressed air supply and medium
pressure before maintenance or reparations.
Maintenance and reparations should be done by qualified personnel.
Avoid direct contact with wastewater / medium. Wear protective gloves
during use, maintenance and reparations of the sampler.
Be aware! When removing the end cap from the enclosure, the danger
of fingers entering the sample bullet occurs. This can cause serious
injuries.
Points of attention
-
Regular clean all parts which come in contact with wastewater /
medium (sample hose and inside of sampler). Remove the end cap
to access all wetted parts inside the sampler.
- Clean the cavity of the sample bullet, end cap and hose tail with a
soft broom.
Revision
• Carefully remove the two wedges (8) from the valve holder (9),
remove the actuator (13) from the enclosure (12).
•
Loosen the end cap (7) from the enclosure. Loosen the left thread
seal holder (5) with the handle from the seals set.
•
Replace the seal (1) from the seal holder (8) from the enclosure
and replace the seal (1) on the inside. Ensure O-rings (3) are
placed behind the seals.
• Push the drive axle (11) from the ball to the inside of the
enclosure and replace the 2 O-rings (10) on the axle.
• Check if the other O-ring (4&6) still seal, if not replace them.
6.6 Trouble shooting
Problem Diagnose Solution
Sampler doesn’t turn
No power supply Connect power supply
(
§6.4)
Wrong connector
connection Rewire connector
(
§6.4)
Sampler is on Manual
control Turn switch to (A) auto
Electric overload safety
active, due to blockage Disconnect power supply
Remove blockage
connect power supply
Defect actuator Replace actuator
Low sample volume Sampling in a downward
flow See installation
instructions
(
§6.4)
Sample bullet polluted
Clean sample bullet
(
§6.5)
Sample bullet cavity not
filled Lengthen the activation
contact(
§3.5)
Fig. 6.5a