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TE-WILBUR OPERATIONS MANUAL REV 002.15 06/11/2015
Tisch Environmental 1-TSP-AND-PM10 sales@tisch-env.com www.tisch-env.com Page 102 of 183
11.4 Leak Check Troubleshooting
If the external or internal leak check fails, consider the following
troubleshooting techniques.
External Leak Check
o Ensure there is a filter and screen in the filter cassette, the filter holder
is closed and the filter cassette is seated properly in the filter holder.
o Ensure the TE-L30 adapter is on top of the downtube and the valve is
closed.
o Check all the o-rings in the TE-L30, the downtube and the filter holder
top and bottom halves for wear or damage. Replace worn or damaged
o-rings.
o Ensure the o-rings are greased.
o Try a different filter cassette, TE-L30 adapter or downtube.
o If leak checking with a cyclone in place, ensure all o-rings in the
cyclone are not damaged or worn. Ensure the connector is tight and
the collector cup is tight.
o Perform an internal leak check. If the internal leak check passes, then
the leak is somewhere from the filter holder up to the TE-L30 adapter
o Make adjustments to the filter holder to tighten it. See section 3.0 for
instructions on the filter holder adjustment.
o If the external leak check fails see below for troubleshooting.
Internal Leak Check
o Make sure the solid internal leak check disk is inserted and seated
properly into the filter holder.
o Ensure the filter holder is closed and the filter cassette is seated
properly in the filter holder.
o Try a different leak check disk.
o Check the thermo-well on the front of the filter holder to ensure it is
tight and sealed.
o Check all internal fittings to ensure they are tight and sealed see
section 12.0 Maintenance for instructions on opening the front cover.
o Check the tightness of the filter holder mechanism and adjust to
tighten. See Section 3.0 Filter Handling / Filter Holder for
instructions on tightening the filter holder mechanism.
DISCONNECT MAINS POWER AND BATTERY POWER
BEFORE OPENING THE FRONT COVER
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