Masoneilan SVI II AP Installation and Maintenance ... - GE Energy

Relay Removal and Installation
Operation and Maintenance
4. Replace the Display Cover (see “Installing the SVI II AP Display Cover” on
page 140).
Ensure that:
Pneumatic Cover Installation
The wire is not damaged when feeding it through the housing.
A single O-ring is in place on the wire-sleeve and is not damaged.
The four retaining screws are tight and torque to 15 in-lb (1.7 N-m).
Inserting the wire sleeve through the housing does not require force.
To install the pneumatic cover:
1. Place the cover over the pneumatic module.
2. Using a 3 mm hex key, install the six screws around the perimeter of the cover and
torque to 8 in-lb (.9 N-m).
Relay Removal and Installation
Relay Installation
To remove the pneumatic relay:
1. Using a 3 mm hex key, remove the three screws from around the perimeter of the
relay.
2. Lift the relay off the positioner.
To install pneumatic relay:
1. Place the relay in the designated area on the positioner.
2. Using a 3 mm hex key, install the three screws around the perimeter of the relay.
Make sure that:
1. The five O-rings are seated in the base of the relay and are not damaged.
2. The three mounting screws are tight and torque to 15 in-lb (1.7 N-m).
NOTE
When you have completed maintenance on the pneumatic
relay it is necessary to reinstall the pneumatic cover. Refer
to on “Pneumatic Cover Installation” on page 143.
Adjusting I/P Zero
The I/P Zero is calibrated at the factory prior to shipment. If there is a problem with I/P
zero please contact your representative.
143