Baker Hughes Masoneilan SVIII AP, Installation And Maintenance Manual, Page: 143 / 204

Masoneilan SVI II AP Installation and Maintenance Manual =
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I/P Module Installation
To install I ⁄ P module:
1. Place the module in the designated area on the positioner.
2. Using a 3 mm hex key, install the four screws around the perimeter of the I ⁄ P module.
3. Replace the I/P wire connector on the terminal board.
4. Replace the Display Cover (see “Installing the SVI II AP Display Cover” on page 140).
Ensure that:
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.
Pneumatic Cover Installation
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
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.
Relay Installation
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.
Ensure 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.