OPERATOR’S MANUAL
23644Ć400
RELEASED: 1-30-81
OPERATION, INSTALLATION & MAINTENANCE
REVISED:
(REV. B)
6-23-00
23644-400
ARO STOPR
PUMP SAVER CONTROL VALVE - 1/2” PIPE SIZE
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT
.
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
GENERAL DESCRIPTION
This device is to terminate operation of a 4" to 7" reciprocating type air
motor in the event of a ruptured outlet hose or the pump runs out of meĆ
dia. For compressed air use only.
Operating Pressure Range . . . 20 Ć 175 p.s.i. (1.4 Ć 12 bar)
Temperature Range . . . . . . . . . 0_ to 180_F (Ć18_ to 82_C)
C
B
A
OPERATION
The AROĆSTOP control valve senses an increased volume of air to the
pump, beyond the preadjusted setting, and shuts off the air supply to
the pump. The runaway" condition may be caused by any of the followĆ
ing: 1.)depleted pumping material, 2.)a ruptured line on the outlet of
the pump, 3.)excessive cavitation in the material supply.
INSTALLATION
The AROĆSTOP valve should be installed in a filtered and regulated air
line as close to the inlet of the pump as possible. Equipment other than
a lubricator should not be installed between the AROĆSTOP valve and
the inlet of the pump. Upstream plumbing from the AROĆSTOP valve
should be 1/2" minimum. A swivel or 1/2" connector & coupler shouldbe
installed before the AROĆSTOP valve to facilitate easy adjustment.
Use one AROĆSTOP valve for each pump. See typical installation phoĆ
to.
ADJUSTMENT
THE AROĆSTOP VALVE MUST BE PROPERLY ADJUSTED AND
TESTED. THE INSTALLATION SHOULD BE TESTED REGULARLY
AND ADJUSTED WHEN A CHANGE IN OPERATING CONDITIONS
OCCURS.
1. Turn A" sleeve clockwise to the maximum inward position. See arĆ
row on sleeve of AROĆSTOP valve.
and run, repeat step (5). If pump operates, continue on th Test SecĆ
tion.
TEST:
7. To test installation, with the pump operating, remove the pump (or
siphon tube)from the material supply. If the pump shuts off, the unit
is set properly.
2. Supply AROĆSTOP valve with desired inlet operating pressure.
3. Depress C" reset button on the AROĆSTOP valve to start the
pump. Open the pump outlet to the desired flow condition.
4. Turn A" sleeve counterclockwise slowly until the pump stops.
5. Turn A" sleeve clockwise one turn and tighten B" locking nut
against body.
8. If the pump continues to turn, resubmerge the pump (or siphon
tube)in the material supply. Loosen the B" locking nut and turn the
A" sleeve counterclockwise approx. one half turn, tighten B" lockĆ
ing nut, and repeat step (7).
RESTART:
9. To restart: Remedy the cause of the shutdown. If the air supply is
shutĆoff, turn the air back on.
10. Depress the C" reset button and hold it in approx. 3 seconds.
6. To restart pump, depress the C" reset button and hold it in for
approx. 3 seconds or until pump primes. If the pump does not reset
AROĆSTOPR is a registered trademark of The Aro Corporation.
INGERSOLL-RAND COMPANY
P.O. BOX 151 D ONE ARO CENTER D BRYAN, OHIO 43506Ć0151
&
(419) 636-4242
D
FAX (419) 633-1674
E2000 D PRINTED IN U.S.A.
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