6. Pry the clapper seal, along with the seal ring, out of the clapper.
Inspect the clapper seal. If the clapper seal is torn or worn, replace
it with a new, Victaulic-supplied clapper seal. If replacing the clap-
per seal assembly with a new assembly, skip to step 7.
6a. If using the same clapper seal assembly and the seal ring was
removed from the clapper seal in the previous step: Re-insert the
seal ring carefully underneath the outer lip of the clapper seal.
Make sure the smaller diameter of the seal ring is toward the seal-
ing surface of the clapper seal.
7. Insert the seal washer carefully underneath the sealing lip of the
gasket.
8. Remove any contaminants, dirt, and mineral deposits from the
clapper.
9. Install the clapper seal into the clapper carefully. Make sure the
seal ring snaps into the clapper completely.
10. Place the seal-retaining ring onto the seal washer of the clapper
seal. Install the seal-assembly bolt/bolt seal through the seal-
retaining ring and clapper.
10a. Tighten the seal-assembly bolt/bolt seal sufficiently, and
apply an additional ¼ turn to ensure a proper seal.
11. Replace the cover plate by following the "Installing the Cover Plate
Gasket and Cover Plate" section, starting on page 35.
12. Place the system back in service by following the "Placing the
System in Service" section, starting on page 11.
I-756LPA.VDS_27
FireLock
®
European Dry Valve Stations
SERIES 756
WITH SERIES 776 LOW-PRESSURE ACTUATOR
I-756LPA.VDSINSTALLATION, 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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