Maintenance; Svi Ii Ap Maintenance; Repair; Tools Needed For Cover Replacement - GE SVI II AP Quick Start Manual

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4. Maintenance

The SVI II AP was designed based on a modular concept. All components are interchangeable

allowing for easy, quick component swapping.

The only maintenance procedures recommended for the SVI II AP are:

Replacement of the Pneumatic Relay, I/P and cover (with or without display) are the only field re-

pairs permitted.

Only qualified service personnel are permitted to make repairs.

Only factory-supplied parts are permitted. This includes not only the major assemblies but also

mounting screws and O rings. No substitutions with non-Masoneilan parts are permitted.

Detailed replacement procedures are described in the Instruction Manual. The following summa-

ry assures the integrity of the SVI II AP.

Remove and install the cover

Remove and install the I/P module

Remove and install the pneumatic relay

Upgrade to display cover

WARNING

5 mm hex key for the cover

3 mm hex key for the lanyard

Do not remove the instrument cover or connect to

an electrical circuit in a Hazardous Area unless the

power is disconnected.

If natural gas is supplied, natural gas may escape

from the SVI II AP on removal of the cover or

components.

Masoneilan SVI II AP Digital Positioner Quick Start Guide =| 55

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