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MAINTENANCE
How to Use the Maintenance Section
Make the preventive maintenance procedures de
-
scribed beginning on page 11 a regular part of your
maintenance schedule to ensure continuing safe opera
-
tion of the purifier. If any problems occur that are not
remedied by routine maintenance, see the FIELD
SERVICE GUIDE.
For assistance with problems not covered in this in
-
struction manual, call the Deltech Product Service De
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partment at 302-328-1345. Identify the purifier by the
model number and serial number on the data plate at
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tached to the side panel.
How to Return Material to Deltech
If the purifier or a component of the purifier must be
returned to Deltech, first call your distributor for a re
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turn authorization number. Deltech will determine
whether the purifier or only a component must be re-
turned. Mark the package with the return authorization
number and ship freight prepaid to:
Deltech
Product Service Department
344 Churchmans Road
New Castle, DE 19720
Replacement Parts
There are four replaceable cartridges in each purifier:
the coalescing filter element, the activated carbon fil
-
ter, the catalyst vessel and the afterfilter element. Re
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placement part numbers and part locations are shown
in Figures 5a through 5c. Part numbers are also given
on the data plate attached to the side panel.
WARNING
All cartridges must be monitored and re
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placed as directed in the Maintenance sec
-
tion to ensure safe purifier performance.
Use only genuine Deltech replacement parts.
Use of unauthorized parts may cause poor
purifier performance, illness, injury or death.
Deltech bears no responsibility for hazards
that result from using Deltech equipment
with non-approved parts.
Preventive Maintenance Schedule
Daily
Check all indicating lights on the front panel.
•
If any red indicating light illuminates, discon-
tinue use of the purifier. Refer to the FIELD
SERVICE GUIDE.
•
When the yellow SERVICE DUE light is on
and the System Operation Monitor is in scan
mode, the digital display will show “CHG PAR
-
TICULATE,” when the particulate afterfilter
element must be changed, or “CHG SEPARA
-
TOR” when the prefilter/separator element must
be changed. Refer to MAINTENANCE PRO
-
CEDURES in this manual for detailed instruc
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tions on changing the elements.
•
Check automatic drain valves on coalescing fil
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ter. If an automatic drain valve (ADV) is not
working properly, liquids will accumulate in the
bottom of the filter. Accumulated liquids may
cause high pressure drop, short element life, ele
-
ment failure or reentry of oil and other separated
contaminants into the airstream. If no liquid is
discharging from the ADV, immediately stop
using the purifier as a source of breathing air
and follow the procedure for Shutdown. Dis
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mantle and clean, repair or replace the drain
valve. Refer to Bulletin 138 (included with this
Pyramid 8000
®
Series Purifiers (Bulletin 289) 11
Danger Label: Parts of Circuit May Be Energized
Part No. 58DE27A
Danger Label: Explosion Hazard
Part No. 56DE194A