TABLE OF CONTENTS
Hazard Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Contents of Rebuild Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Removing the System from Service . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Instructions for Replacing Internal Components of the Valve
(Items 1 - 10 on Page 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Instructions for Replacing the Diaphragm (Item 11 on Page 1). . . . . . . 9
HAZARD IDENTIFICATION
Definitions for identifying the various hazard levels are
provided below. When you see this symbol, be alert to the
possibility of personal injury. Carefully read and fully
u nderstand the message that follows.
WARNING
• The use of the word “WARNING” identifies the presence
of hazards or unsafe practices that could result in death or
serious personal injury if instructions, including recommended
precautions, are not followed.
CAUTION
• The use of the word “CAUTION” identifies possible hazards or
unsafe practices that could result in personal injury and product
or property damage if instructions, including recommended
precautions, are not followed.
NOTICE
• The use of the word “NOTICE” identifies special instructions
that are important but not related to hazards.
CONTENTS OF REBUILD KIT
5
6
8
9
9
11
7
10
1
2
3
4
Internal Components of the Valve
Item
Qty.
Description
1
1
Clapper Seal
2
1
Seal Ring
3*
1
Seal Washer
4
1
Bolt Seal
5
1
Clapper Shaft
6
1
Latch Shaft
7
1
Clapper Spring
8
1
Latch Spring
9
2
Latch Spring Insertion Tool
10
1
Cover Plate Gasket
11
1
Diaphragm
* Item #3 is not applicable for 1 1/2 – 2-inch/48.3 – 60.3-mm valve sizes.
I-NXT.RBKIT_1
5-Year Rebuild Kit Instructions for
FireLock NXT
™
Valves
SERIES 768 AND 769
I-NXT.RBKIT
REBUILD KIT INSTRUCTIONS
www.victaulic.com
VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2010 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA.
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