Nova-tech Pulsafeeder OMNI DC2-DC6 Bedienungsanleitung

Installation Operation Maintenance Instruction Models DC2, 3, 4, 5, and 6 Mechanical Diaphragm Meterin

6 Figure 4, stroke adjustment 6. Equipment Startup 6.1 Fastener Inspection All pump fasteners should be checked prior to pump operation, and occasi

7 6.3 Priming the Reagent Head 1. When handling process liquids, follow all applicable personal and facility safety guidelines. 2. Ensure that t

8 6.4 Calibration Figure 6, sample flow calibration curve All metering pumps must be calibrated to accurately specify stroke length settings for req

9 7. Maintenance BEFORE PERFORMING ANY MAINTENANCE REQUIRING REAGENT HEAD OR VALVE (WET END) DISASSEMBLY, BE SURE TO RELIEVE PRESSURE FROM THE PIPI

10 Figure 7, gearset lubrication points 7.2 Wet End Removal, Inspection, & Reinstallation IF THE DIAPHRAGM HAS FAILED, PROCESS FLUID MAY HAVE

11 7.2.1 Diaphragm Removal & Reinstallation 1. Adjust the stroke setting to 50% and disconnect the power source to the drive motor. 2. Reliev

12 7.3 Check Valves 7.3.1 General Description Most fluid metering problems are related to check valves. Problems usually stem from solids accumula

13 Figure 10, check valves, DC3 and DC 4 Figure 11, check valves, DC5 and DC6 plastic construction Check Valve Suction Position Check Valv

14 7.3.2 Check Valve Removal & Reinstallation, Cartridge type Valving that is of the cartridge design is intended to be replaced as an assembly

15 Inserting the check valve assmbly into the pump in the wrong directiom, or having the check seat upside down, will prevent proper seals at the o-

ii Pulsafeeder Factory Service Policy Should you experience a problem with your Pulsafeeder pump, first consult the troubleshooting guide in your o

16 7.4 Motor Removal & Reinstallation 1. Disconnect the power source to the drive motor. 2. Disconnect the motor wiring from the motor. 3. R

17 Figure 14, gearset components 7. Loosen the set screw (Item 9) on the worm gear (Item 8) and remove it along with its shaft key (Item 10).

18 7.6 Gearset Replacement 1. Apply PULSAlube grease # NP980006-000 to both sides of the thrust washer and install onto the eccentric shaft. On t

19 8. Replacement Parts 8.1 KOPkit Program OMNI® KOPkits contain all replacement parts normally used in a preventative maintenance program. (PULS

20 8.3 KOPkit numbers by model: Pump Model Wetted Material Connection Type KOPkit number DC2 PVDF NPT NLK020FP DC3 or DC4 PVDF NPT NLK040FP

21 9. Model Number Identification Position Sample Specifies Options 1 and 2 DC DC = OMNI model pump 3 and 4 3B Size/Flow 2 / 3 / 4 / 5 /

22 10. Wet End Materials Reference Wet End Configuration Model Connection Head Guide Sealing O-rings Balls Seats Seat O-ring PVDF (Kynar®) DC2

23 11. Troubleshooting Difficulty Probable Cause Remedy Pump does not start Faulty power source. Check power source. Blown fuse, circuit breake

24 Difficulty Probable Cause Remedy Noisy gearing, knocking Discharge pressure too high. Reduce pressure. Water hammer. Install pulsation da

25 12. Piping Accessories Pressure Relief Valves Pressure relief valves are designed to protect chemical feed systems from damage that may be caus

iii Table of Contents 1. INTRODUCTION ...

26 13. Dimensional Drawing Letters reference dimensional table on next page

27 Dimension table in inches / mm Letter references to diagram, previous page “PP” = Polypropylene wetted material “SS” = Stainless steel wetted mat

28 14. Parts Diagrams and Parts Lists 14.1 Parts diagram, DC2 and 3

29 14.2 Bill of Materials, DC2 ITEM DESCRIPTION QTY PART NUMBER 1 SUPPORT PLATE 1 NP140054-BRS 2 DIAPHRAGM 1 NP170030-THY 3 REAGENT HEAD P

30 34 DC2/3 GEARBOX 1 NP010024-ALU 35 NAME TAG 1 NP550130-000 36 NAME TAG SCREW 4 W771000-188 38 SET SCREW 2 W771004- 022 39 NEEDLE BEAR

31 14.3 Bill of Materials, DC3 ITEM DESCRIPTION QTY PART NUMBER 1 SUPPORT PLATE 1 NP140055-BRS 2 DIAPHRAGM 1 NP170031-THY 3 REAGENT HEAD P

32 30 LABEL 1 NP550084-000 31 WASHER 1 W771006-STL 32 MOTOR ADAPT ASSY 56C 1 NP490030-000 32 MOTOR ADAPT ASSY 71 1 NP490029- 000 33 WOR

33 This page intentionally left BLANK

34 14.4 Parts Diagram, DC4, 5, and 6

35

iv 8.3 KOPkit numbers by model: ... 20 9. MODEL N

36 14.5 Bill of Materials, DC4 ITEM DESCRIPTION QTY PART NUMBER 1 SUPPORT PLATE 1 NP140055-BRS 2 DIAPHRAGM 1 NP170031-THY 3 REAGENT HEAD P

37 29 SCREW 1 W771001- 010 30 LABEL 1 NP550084-000 31 WASHER 1 W771006-STL 32 MOTOR ADAPT ASSY 56C 1 NP490030-000 32 MOTOR ADAPT ASSY 71

38 14.6 Bill of Materials, DC5 ITEM DESCRIPTION QTY PART NUMBER 1 SUPPORT PLATE 1 NP140071-BRS 2 DIAPHRAGM 1 NP170037-THY 3 REAGENT HEAD P

39 28 KNOB COVER 1 NP250061-000 29 SCREW 1 W771001- 010 30 LABEL 1 NP550084-000 31 WASHER 1 W771006-STL 32 MOTOR ADAPT ASSY 56C 1 NP49

40 14.7 Bill of Materials, DC6 ITEM DESCRIPTION QTY PART NUMBER 1 SUPPORT PLATE 1 NP140081-STL 2 DIAPHRAGM 1 NP170039-THY 3 REAGENT HEAD

41 34 DC4/5/6 GEARBOX 1 NP010023-ALU 35 NAME TAG 1 NP550130-000 36 NAME TAG SCREW 4 W771000-188 38 SET SCREW 2 W771004- 032 40 KEY-WORM

42 Bulletin #: IOM-OM-1104- E Rev G [email protected]: (866) 433

1 1. Introduction The OMNI® metering pump is positive displacement, mechanically operated reciprocating diaphragm pump. Each pump consists of a pow

2 2.1 Reagent Head Assembly The typical reagent head assembly consists of reagent head, diaphragm, and suction and discharge cartridge check valves

3 3. Equipment Inspection Check all equipment for completeness against the order and for any evidence of shipping damage. Shortages or damage must

4 5.2 Piping System 1. All systems should include a pressure relief valve on the discharge side, to protect piping and process equipment, includin

5 5.3 Suction Pressure Requirements Although OMNI® metering pumps have some suction lift capability, a flooded suction (i.e., suction pressure highe