Chapter 10 - Maintenance
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MNL000304.doc
Revision 2
09/16/2016
SourceSystem TE11
© Versum Materials, Inc. as of the revision and date shown. All rights reserved.
Confidential and Proprietary Data
Page
10
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necessary. Replace backlight as necessary.
E-Stop
* Test E-Stop.
Yearly
Keypad Membrane Check each dome button. Look for mis-keying and
multiple stroking. Check for proper sealing of adhesive
around edge of graphic.
Yearly
Gasket
Look for aging, cracks, and peeling of the gaskets. Also
check the surface onto which the gaskets seal. Look for
oxidation, corrosion, and foreign material that would
prevent proper sealing.
Yearly
Door Hinges
Check resistive hinges and replace as necessary.
Yearly
Door Locking Prop Check that prop locks and stays in place until locking
button is depressed
Yearly
Solenoids
Verify that LED on solenoid lights when component is
activated. Gas should flow through the solenoid. Verify
that the pressure is off within the required response time.
Listen for leaks inside the controller. Check that the
pneumatic supply does not exceed the maximum
recommended pressure.
Yearly
Z-Purge Switch
* Test switch.
Yearly
Power and signal
wiring
Visually inspect for insulation damage, corrosion,
shortages.
Yearly
Grounding
Connections
Verify that there is minimum resistance in ground line as
specified in Section 4.1 of the GASGUARD® Operations
manual. Tighten connections as needed.
Yearly