
SER 3620 Electronic-Metered Control Valve
Revision (11-05) 10 Alemite LLC
Prime and Test
NOTE: Perform the following procedures at
an air pressure that allows the pump to begin
to cycle. Regulate the amount of air to the
pump with a pressure regulator.
Should valve leakage occur at anytime, refer
to the Control Valve Troubleshooting
Chart.
5. Point the control valve into an appropriate collection
container.
6. Allow the pump to deliver fluid to the control valve.
• The control valve should show no leakage nor
dispense the product.
7. Cycle the control valve Lever Assembly several times.
• Product should flow once air is eliminated from the
control valve (and system).
If the control valve does not dispense the product, refer
to the Control Valve Troubleshooting Chart.
With the Lever in the released position, no product
should appear at the Nozzle. If product does appear, refer to
the Control Valve Troubleshooting Chart.
Should the electronic meter not function properly, refer
to Service Guide SER 3630 for details.
Control Valve Troubleshooting Chart
Control Valve Indications Possible Problems Solutions
Continuous product flow 1. Foreign material on Seal (33)
2. Seal (33) worn or damaged
1. Disassemble, clean, and inspect
seat area. Check mating surfaces
and replace Seal (33) as necessary.
Locate and eliminate source of
foreign material. Clean Strainer
(37)
2. Use Kit 393676
No product flow Manual Nozzle (8, 12,or 16) not open Open Nozzle (8, 12,or 16)
Leakage at Swivel
Assembly (39)1. Initial tightening of Swivel Assembly (39)
not sufficient
2. O-Ring (38) worn or damaged.
1. Tighten Swivel Assembly (39)
2. Replace O-Ring (38)
Leakage at Cam (43) O-Rings (42) worn or damaged. Replace O-Rings (42)
Leakage at front end of Nozzle Nozzle damaged Replace Nozzle
Leakage at Extension Assembly 1. Initial tightening not sufficient
2. Thread sealant missing or inadequate 1. Tighten leaking connection
2. Apply thread sealant* to male pipe
threads
Safety on Lever Assembly (40)
does not engage 1. Broken spring in Lever Assembly (40)
2. Foreign material in Lever Assembly (40)
3. Worn or damaged Compression Spring (36)
1. Use Kit 393677
2. Clean Lever Assembly (40)
3. Replace Compression Spring (36)
Latch on Lever Assembly (40)
does not release 1. Broken spring in Lever Assembly (40)
2. Foreign material in Lever Assembly (40)
3. Worn or damaged Compression Spring (36)
1. Use Kit 393677
2. Clean Lever Assembly (40)
3. Replace Compression Spring (36)
* Do not apply thread sealant to the first two (2) threads. Contamination can occur.
Changes Since Last Printing
Added Model 3621-B