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23644Ć400
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TROUBLE SHOOTING
AROĆSTOP valve does not close when it should.
• Improper adjustment. Readjust and test.
• Change has occurred in operating conditions (i.e. decrease insupĆ
ply pressure). Readjust and test.
AROĆSTOP valve closes for no apparent reason.
• Change has occurred in operating conditions (i.e. increase in supĆ
ply pressure). Readjust and test.
• Material supply hasbeen interrupted.Insure constantmaterial supĆ
ply.
• Air supply turned on too quickly. Depress reset button.
Pump continues to cycle after AROĆSTOP valve closes.
• Foreign matter on sealing surface of AROĆSTOP valve. DisasĆ
semble and clean valve as described in Service Section.
NOTE: Very slow cycling may occur even after AROĆSTOP valve
closes. This is normal.
AROĆSTOP valve does not start when reset button is depressed.
• Improper adjustment. Readjust and test.
WARNING Always disconnectand relieve airpressure fromthe AROĆSTOPvalve before removingit from thesystem forservicing.
SERVICE INSTRUCTIONS
DISASSEMBLY:
1. Unscrew therear adapterassemblyfrom thesleeve assembly.This
allows accessibility to the 22836 valve assembly and the 22207
spring.
2. Clean all parts andinspect for damageor wear. Replace the22836
valve assembly or 22207 spring if necessary.
ASSEMBLY:
1. Reassemble the 22836 valve assembly and the 22207 spring as
shown in the view.
2. Apply thread locking compound to the threads of the rear adapter
assembly and tighten to the sleeve assembly using 30 Ć 40 ft lb
(40.7 Ć 54.2 Nm) torque.
NOTE: Parts other than 22836 valve assembly and 22207 spring,
are not accessible for service and should not be disassembled.
22836
22207
PN 103994