REMOVING AND REPLACING THE CLAPPER ASSEMBLY
1. Perform steps 1 – 8 of the "Required Internal Inspection" section,
starting on page 29.
2. Remove one clapper shaft retaining bushing from the valve body.
3. Remove the clapper shaft. NOTE: As the shaft is being removed,
the clapper spring will drop out of position. Keep the clapper
spring for re-installation.
3a. Remove the clapper from the valve body.
4. Place the new clapper assembly onto the valve-body seat ring.
Make sure the holes in the clapper arms align with the holes in the
valve body.
5. Insert the clapper shaft halfway into the valve body.
5a. Install the clapper spring on to the clapper shaft. Make sure
the loop of the clapper spring is facing toward the clapper, as
shown above.
5b. Finish inserting the clapper shaft through the clapper arm
and valve body.
6. Apply thread sealant to the clapper shaft retaining bushing. Install
the clapper shaft retaining bushing into the valve body until hand-
tight.
6a. Tighten the clapper shaft retaining bushing until metal-to-
metal contact occurs with the valve body.
7. Check the clapper for freedom of movement.
8. Replace the cover plate by following the "Installing the Cover Plate
Gasket and Cover Plate" section, starting on page 35.
9. Place the system back in service by following the "Placing the
System in Service" section, starting on page 11.
I-756LPA.VDS_28
FireLock
®
European Dry Valve Stations
SERIES 756
WITH SERIES 776 LOW-PRESSURE ACTUATOR
I-756LPA.VDS
INSTALLATION, MAINTENANCE, AND TESTING MANUAL
www.victaulic.com
VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2006 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA.
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