ELP AM Series - Manual 20112 – 05/12
Copyright Delta-UV
©
Page 18
E.2
CHANGE/CLEAN QUARTZ SLEEVES AND O-RINGS:
20 minutes
NO TOOLS HAVE TO BE USED AND ARE NECESSARY TO REALIZE THESE OPERATIONS.
Make the operations 1 to 5 of the remove UV lamps operation
(see previous
page)
1
Drain the unit:
- unscrew
at the bottom of the UV unit the stainless steel small nut
2
Unscrew
the stainless steel holding the quartz sleeves and making
the watertightness
Remove
the plastic washer.
3
Take out the quartz sleeve carefully:
Insert
your thumb or another finger in the sleeve and
slowly
withdraw the quartz sleeve until the O-ring comes free from its
housing.
8
Take hold of the quartz sleeve
and extract it fully
MAKING SURE
that you keep it correctly aligned with the axis.
9
The quartz sleeve exterior can normally be cleaned
by using
acid or spirit vinegar or pH minus(liquid) with weak concentration.
(ratio of 4 parts water to one part acid).
Do not use abrasive cleaners.
REASSEMBLY
10
CAREFULLY
insert the sleeve in the unit, keeping it correctly
aligned with the axis. Your medium or index finger will help you to
correctly drive and to find easier the socket at the bottom.
With a finger inside the sleeve,
position
the quartz in its socket at
the bottom of the equipment. The quartz should protrude slightly
(by the thickness of the O-ring),
it should not be dropped right to the bottom
.
If the quartz is correctly positioned in the socket, when you press it,
it feels flexible (pneumatic effect)
11
Lubricate
the new O-ring with edible fat or your saliva
.
(New O-ring should be used at each quartz sleeve cleaning)
Position
the O-ring around the sleeve
and push it fully home in its housing using your finger nail
(do not use any tool).