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Torque (Ft-Lbs) - Val-Matic 100VB Operation, Maintenance And Installation Manual

1/2"-3" threaded vacuum breaker

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DISASSEMBLY (continued)
1. Close inlet shut-off valve. Open drain valve
or remove drain plug.
bolts (7) on the top cover.
2. Pry cover (2) loose and lift off body (1).
3. Remove retainer bolts (8) and inspect seat
for cracks in rubber or wear in sealing
surface.
4. Turn guide bushing (9) to remove it from the
cast baffle (3).
5. Clean and inspect parts. Replace worn parts
as necessary.
RE-ASSEMBLY
All parts must be cleaned and gasket surfaces
should be cleaned with a stiff wire brush in the
direction of the serrations or machine marks.
Worn parts, gaskets and seals should be
replaced during reassembly.
1. Apply Loctite to guide bushing threads (9)
and thread bushing into baffle (3). Insert float
shaft into float (5).
2. Lay seat (4) over inverted cover with flat
surface directed toward cover.
3. Install float assembly and spring (21) and
baffle over seat and secure with retaining
bolts (8) at 10 ft-lbs.
4. Lay cover gasket (6) and cover (2) over bolt
holes in body (1).
5. Insert lubricated bolts (7) and tighten to the
torques listed in Table 2.
Remove the cover
3
SIZE
5/16"
3/8"
1/2"
5/8"
TABLE 2. VALVE COVER BOLT TORQUES
PARTS AND SERVICE
Parts and service are available from your local
representative or the factory. Make note of the
valve Size, Series No, and Serial No. located on
the valve nameplate and contact:
Val-Matic Valve and Mfg. Corp.
905 Riverside Drive
Elmhurst, IL 60126
PH: 630/941-7600
FAX: 630/941-8042
A sales representative will quote prices for parts
or arrange for service as needed.

TORQUE (FT-LBS)

10
24
59
117

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This manual is also suitable for:

103vb