Bradley AST4 Operation And Service Manual

Metering air valve

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Metering Air Valve

The air valve timer is located next to the tube connector on the
air valve body. The timer is capped with a filter to prevent dirt
build-up on the timer. The air valve timing can be adjusted from
5–60 seconds.
1

Adjust Air Valve Meter Time

Remove filter cap and use a screwdriver to tighten or
A
loosen the timer (see illustration at right). Turning the
timer clockwise increases the time; turning the timer
counterclockwise decreases the time.
B
Continue to adjust until the timer is set at desired
length.
C
Replace filter cap over the timer.
2

Tube Connection Leaks

Push in the orange manual release button while
A
pulling the tube out (see illustration at right) to
disconnect the tube at the connector. No tools are
needed.
B
To correct a leak, press tubing firmly into the
connector and make sure it is seated.
If leak persists, remove tubing from the fitting, and
C
trim the tubing end square with a razor-sharp knife.
If leak continues, replace the fitting or contact your
Bradley representative for assistance.
1 of 3
Operation and Service Guide: Ablution
1.800.BRADLEY • Fax: 262.251.5817 • bradleycorp.com
Air
Valve
Filter
Cap
Air Tube
Connector
(173-028)
Manual
Reset
Button
Sealing
Ring
Bradley • 215-1369-33 Rev. A: ECN 14-03-005B
P.O. Box 309 • Menomonee Falls, WI 53052-0309
Water Tube
Connector
Tempered Line Adapter Option
Part no. S39-804
(replaces S59-4000 if tempered line
is used)
Strainer
Tube
Stop
Air Valve
Tubing
Locking
Slope
Gripping
Ridge

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Summary of Contents for Bradley AST4

  • Page 1 If leak persists, remove tubing from the fitting, and Gripping Ring Ridge trim the tubing end square with a razor-sharp knife. If leak continues, replace the fitting or contact your Bradley representative for assistance. Tube Stop Bradley • 215-1369-33 Rev. A: ECN 14-03-005B 1 of 3...
  • Page 2 — AST 4 Valve Timer Assembly — — O-Ring, #2-012 — — AST 4 Valve Timer Cover — — Screw, #8 x 7/8" — — Compression Nut, 1/8" Tube — Bradley • 215-1369-33 Rev. A: ECN 14-03-005B 2 of 3...
  • Page 3 1. Remove screws and disassemble metering valve. 2. Clean valve seat and inspect for deep gouges or scratches. Replace valve body if necessary. 3. Remove any debris clogging off-center hole in rubber diaphragm. Bradley • 215-1369-33 Rev. A: ECN 14-03-005B 3 of 3...

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