Removing The Convectron Gauge - HELIX GRANVILLE-PHILLIPS Convectron ATM Instruction Manual

Chapter 5
Removing the Convectron
gauge
Figure 5-2

Removing the Convectron gauge

3.
Remove this end plate, then
remove blue module housing.
6.
Allow sensor tube to slide out
of port on gauge housing.
68
To avoid contaminating the Convectron gauge, wear sterile gloves during
the removal procedure. Refer to Figure 5-2 and follow these instructions:
1. Vent the vacuum chamber to atmospheric pressure and shut off power
to the module.
2. Use the fitting to detach the module from the vacuum chamber.
3. Remove the four Phillips-head screws from both module end plates,
but do not remove the hex nuts that hold the 15-pin connector in place.
4. Remove the end plate that does not have a connector, then remove
both sides of the blue housing.
5. Carefully unplug the Convectron gauge from the vertical PC board by
pulling the gauge housing away from the board.
6. Allow the differential pressure sensor tube to slide out of the port on
the Convectron gauge housing.
1.
Vent vacuum chamber to atmosphere and shut off power to the module.
2.
Detach module from vacuum chamber.
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Convectron ATM Vacuum Gauge Module Instruction Manual
4.
Remove four Phillips-head
screws from both module end
plates, but do not remove hex
nuts that hold 15-pin
connector in place.
5.
Carefully unplug
gauge housing from
vertical PC board.