CAMCORP CAM-AIRO Vertical Cartridge - Manual (Page 43)

CAMCORP, INC.
Phone: 913-831-0740 Fax: 913-831-9271
www.camcorpinc.com
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Pulsing failure of all valves or the same numbered valve on each
header
Pulse timer board inoperative
Check pulse timer board for 120 VAC pulse between each numbered
terminal on timer board and solenoid common terminal. Repair or
replace timer if necessary.
Open or short circuit in wiring between pulse timer board and
solenoids
Check continuity with ohmmeter or suitable tester and repair as required.
Pulsing failure of valves at any location
Plastic plug in solenoid exhaust port
Remove and discard plug.
Ruptured diaphragm
Disassemble valve in question and inspect diaphragm(s). Replace with a
repair kit if necessary.
Pinched or plugged tubing between solenoid and diaphragm valve.
Inspect tubing and replace if necessary .
Continuous passage of compressed air through one of more
blowpipes
¼” O.D. tubing or fittings disconnected, leaking or broken.
Inspect and repair as required. Always use new ferrules in fittings when
replacing copper tubing.
Diaphragm valve air bleed hole or passage restricted
Disassemble and inspect the diaphragm valve in question as follows:
• 1” valves – check for plugged air bleed passages in valve body and cover.
• 1 ½” valves – check for plugged or restricted air bleed passages.
• 2” valves – check for plugged or restricted air bleed passages.
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