Honeywell HON 5020 User And Maintenance Manual page 62

Hide thumbs Also See for HON 5020:

Table of Contents

HON 5020 gas pressure regulator with HON 640a / HON 642a pilot

Figure

Step

Description

Lubricate the thread surfaces.

First screw the spindle (2) back into the

body.

Then slide the locknut (1) over the spindle

and tighten the locknut (1).

Check that the spindle is in the right

position and adjust it if necessary: The

spindle's groove must be flush with the

locknut's surface.

Release the tension on the pilot spring by

loosening the hex flange nut (1) and

unscrewing the spring adjuster (2) a few

turns.

Turn the spring housing.

Loosen the screws and lift off the upper

cover.

Remove the spring from the cap.

Loosen the screws and slowly and carefully

remove the lower cover.

Important! While removing the cover,

parts on the inside may fall out from the

spring housing by accident!

Maintenance

Table of Contents