MKS Granville-Phillips Mini-Convectron 275 series - Gauge Maintenance and Replacement

6 Service and Maintenance
60
Series 275 Mini-Convectron Module with DeviceNet
Instruction Manual - 275563
6.4.2 Removing a Convectron Gauge from the Module
The Convectron Gauge can be removed from the module for testing, cleaning, or replacement. The
following sections provide the information required to perform those functions.
1. Turn OFF power to the Mini-Convectron Module and vent the vacuum chamber to
atmospheric pressure.
2. Use the fitting to detach the module from the vacuum chamber.
6.4.3 Open the Mini-Convectron Module for Repair
Note: To avoid contaminating the Convectron gauge, wear sterile gloves during the removal and
replacement procedure.
1. Use a 3/16-inch nut driver or socket to remove the two hex head screws that connect the 9-pin
connector to the connector plate. See Figure 6-1.
2. Use a #1 Phillips screwdriver to remove the four Phillips-head screws from the connector end
plate. See Figure 6-1.
3. Use a #1 Phillips screwdriver to remove only two of the four Phillips-head screws from the end
plate without connectors. See Figure 6-1.
4. Remove the blue faceplate of the module.
5. Carefully pull the connector plate away from the module, being careful not to damage the
wires that connect to the DeviceNet connector. See Figure 6-2.
Removing or replacing the Convectron gauge in a high−voltage environment
can cause an electrical discharge through a gas or plasma, resulting in serious
property damage or personal injury due to electrical shock.
Figure 6-1 Remove Screws to Open the Mini-Convectron Module
Remove 2
Phillips head
screws.
Remove 4
Phillips head
screws and
2 hex head
screws.