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67072
3/8” AND 1/2” DIAPHRAGM PUMP CONTROLLER INSTALLATION
3/8” AND 1/2” DIAPHRAGM PUMPS (see figure 3)
NOTE: Refer to the pump Operator’s Manual.
1. Remove the four long valve block retaining bolts.
2. Remove the 93086 or 96352 plug from the air motor major valve.
3. Models66605X-Xand PD05P-X-X:Install thenew 93909plug (with
the threaded hole), use the new Y325-125 “O” ring included in kit.
Models PD03P-X-X, PD05P-X-X-B and PD05R-X-X-B: Install the
new 96462 plug (with the threaded hole), use the new Y325-29 “O”
rings included in kit.
4. Reassemble the valve and replace the major valve bolts, torque to
15 - 20 in. lbs (1.7 - 2.3 Nm).
5. Remove the tubing from the 90_ elbow and install the 59756-4 90_
tubing elbow into the new pilot port.
6. Attachthekittothepump inletas shownandre -attach thetubeto the
59756-4 90_ elbow.
1” NON-METALLIC DIAPHRAGM PUMP CONTROLLER INSTALLATION
1” NON-METALLIC DIAPHRAGM PUMPS ONLY (see figure 4)
NOTE: Refer to the pump Operator’s Manual.
1. Removefourmajor valve capscrews andplateonthe airinlet sideof
the pump.
2. Remove 92878 gasket.
3. Replace the old 92878 gasket with new 92878 gasket provided in
the kit.
4. Install the new 93911 adapter plate with the 1/8 - 27 N.P.T.F - 1 ta-
pered threadsoutward, securethe platewith fourscrews andwash-
ers.
5. Remove the tubing from the 90_ elbow and assemble the 59756-4
90_ tubing elbow into the adapter plate. NOTE: The elbow cannot
be installed if the plate is reversed.
6. Attachthekittothepump inletas shownandre -attach thetubeto the
59756-4 90_ elbow.
Controller
59756-4 90° Elbow
Replace existing plug with new 93909/
96462 pilot plug and Y325-125 / Y325-29
replacement “O” ring(s).
1/2" Diaphragm Pump
Figure 3
VIEW OF 1/2" NON-METALLIC DIAPHRAGM PUMP SHOWING ASSEMBLY OF 67072 CYCLE CONTROLLER
Controller
1” Diaphragm Pump
93911 Adapter Plate
Major Valve Cap Screws
Gasket
Figure 4
59756-4 90 Elbow
CROSS SECTION OF 1" NON-METALLIC DIAPHRAGM PUMP
SHOWING ASSEMBLY OF 67072 CYCLE CONTROLLER