Dresser Masoneilan SVI II AP, Инструкция по эксплуатации

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DRAFT 6/8/10
113
Relay Removal and Installation
Operation and Maintenance
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
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 113.
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 Masoneilan representative.
Connecting Components to the Electronics Module
If it is necessary to remove and install any SVI II AP component you may need to
reconnect the component to the SVI II AP Electronics Module via the SVI II AP Terminal
Board. Refer to “Making Connections to the Terminal Board” on page 41 of this manual
for instructions.