Pump-solutions-group Neptune Series 560 dia-PUMP Manuel d'utilisateur télécharger pdf (Page 14)

11.0.0 PROCEDURE FOR REPLACING CONTROL ROD “O” RING (fig. #2334) AND SEALING PLATE “O” RING

(FIG. #516-C on Page#18).

11.0.1 Remove hydraulic fluid from gearbox.

11.0.2 Remove indicator plate (FIG. #520) by removing two indicator plate screws (FIG. #521).

11.0.3 Remove control rod assembly with control rod attached (FIG. #524, #523, and #5615) by turning counter

clockwise until threads are disengaged, then pulling out.

NOTE: Some pump models may have O-ring on sealing nut, refer to FIG. #5699 if O-ring is needed or

requires replacement.

11.0.4 Use an 11/16" Hex socket on the sealing nut (FIG. #526) and screw out of pump in a counter clockwise

direction. Then, remove sealing plate (FIG. #5602) using a small brass hook to pull loose.

11.0.5 Replace control rod O-ring (FIG. #2334) and/or sealing plate O-ring (FIG. #516-C).

11.0.6 When replacing sealing plate, be careful not to shear the sealing plate O-ring (FIG. #516-C).

11.0.7 Replace balance of parts and fill pump with hydraulic fluid per previous instructions.

11.0.8 Follow start-up procedure as if starting a new pump

12.0.0 Procedure for replacing Diaphragm on Pumps with metal head models.

12.0.1 Removal of pump head and replacement of diaphragm.

12.0.2 Remove drain plug (FIG. #510), and drain hydraulic fluid.

12.0.3 Remove long and short pump head bolts (FIG. #551). Lift pump head (FIG.#5660) away from pump.

12.0.4 Remove and examine teflon diaphragm (FIG. #2310). Remove and examine the liquid side diaphragm backup

plate (FIG. #2330).

12.0.5 Replace with new part, if required. When replacing the teflon diaphragm, be certain to line it up properly with

the sealing grooves.

12.0.6 To reassemble, reverse the above procedure. Reassembly is facilitated by laying the pump on its side. Be

certain to tighten all the bolts evenly. Tighten to 25 ft. lbs

12.1.0 Removal of pump head and replacement of diaphragm on PVC head model. (Refer Drawing on Page#20)

12.1.1 Loosen (8) bolts (FIG#3). Lift pump head (FIG. #1) away from pump.

12.1.2 Remove and examine Teflon diaphragm (FIG. #5).

12.1.3 Replace with new Teflon diaphragm, if required. When replacing the Teflon diaphragm, be certain to line it up

properly with the sealing grooves.

12.0.4 To reassemble, reverse the above procedure. Reassembly is facilitated, by laying the pump on its side. Be

certain to tighten all bolts evenly. Tighten to 10 ft. Ibs.

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Pump-solutions-group Neptune Series 560 dia-PUMP Manuel d'utilisateur Page 14