30
10.
Place seal retaining ring onto seal washer of clapper
seal.
11.
Install seal assembly bolt/bolt seal through seal retain-
ing ring and clapper. Tighten seal assembly bolt/bolt seal
sufficiently, and apply an additional
¹⁄₄
turn to ensure a
proper seal.
12.
Replace the cover plate by following the “Installing
Cover Plate Gasket and Cover Plate” section, starting on
page 31.
Removing and Replacing Clapper
Assembly
1.
Perform steps 1 - 11 of the “Required Internal Inspec-
tion” section, starting on page 26.
2.
Remove clapper shaft-retaining plugs from valve body.
3.
Remove clapper shaft, as shown above.
NOTE:
As the
shaft is being removed, the two spacers and clapper
spring, shown above, will drop out of position. Keep the
spacers and clapper spring for re-installation.
4.
Remove clapper from valve body.
5.
Place new clapper assembly onto the valve body seat
ring so that the holes in the clapper arms align with the
holes in the valve body, as shown above.
• Use only Victaulic-supplied replacement seal assembly bolt/bolt seal when
reassembling clapper.
Failure to follow this instruction could result in property damage and/or valve leak-
age.
DISCONTINUED
PRODUCT
