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10.
UV System Maintenance Schedule
Advice!
To ensure consistent performance, GEW UV drying systems should be inspected at the
intervals shown in the following schedule; more frequent checks may be necessary depending on
operating conditions. Evidence of carrying out recommended maintenance procedures is required
to validate claims under the GEW warranty (a suitable template is available from GEW for use by
customers).
General
Drain air regulator (pneumatic shutters only)
Straighten flexiduct
Check air filters on Lamphead / Heatsink / Cabinet grilles & apertures
Check reflector cassette for dust build-up
Check and replace all air inlet filter media
Check integrity of all cables, connectors and ducting
Check all connectors for evidence of contact wear or damage
UV Lamp
Remove lamp chassis from lamphead, clean as required:
•
Cold filter (where fitted)
•
UV lamp & reflector (use Isopropyl alcohol)
•
Heat sink base & shutter
Check drying performance, replace UV lamp if necessary **
** When fitting a new lamp, examine the dichroic reflector (if fitted) and
arrange for renewal if required.
Check cables to lamp/terminals
Lubricate shutter pivots (PTFE/silicone lubricant)
Powerbrick and HV upright cabinets
Clean or replace cabinet filter
Clean out dust
Check terminals, tighten if necessary; report any terminal damage
Check cabinet cooling fan
e-Brick
Check filters
Clean or replace intake and exhaust filters
System cooling fan & Ozone filter (where applicable)
Check duct inlet
Check for vibration
Inspect Ozone filter; replace filter panels when the granules (coloured
purple when new) have turned brown.
Water Chiller (where fitted)
Check coolant level and inhibitor concentration
Drain and refill using the recommended amount of anticorrosion
additive; see chiller manual for specific details.
GEW UV e-Brick installation and operating manual
Maintenance Item
X
40
X
40
X
500
X
500
X
X
1000
X
1000
X
2000
X
100
X
X
X
X
X
1,000
X
X
4000
X
2000
X
X
2000
X
X
X
500
X
500
X
4000
X
4000
X
40
X
X
500
X
40
X
4000
X
X
4000
X
1000
X
X
5000
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