Installation Operation Maintenance Instruction MD Series Model#: Serial#: Mechan

10 72-001-02 Rev A 5.4 Priming the Reagent Head 1. When handling process liquids, follow all applicable personal and facility safety guidelines. 2

11 72-001-02 Rev A 5.5 Calibration Figure 6, sample flow calibration curve All metering pumps must be calibrated to accurately specify stroke length

12 72-001-02 Rev A 6. Maintenance BEFORE PERFORMING ANY MAINTENANCE REQUIRING REAGENT HEAD OR VALVE (WET END) DISASSEMBLY, DISCONNECT POWER, BE SUR

13 72-001-02 Rev A Use lubricating oil different than suggested is permitted only if the characteristics are compatible/equivalent. Use mineral oil f

14 72-001-02 Rev A  Clean inside the diaphragm chamber (item#33) and the head body (item#21), especially along the diaphragm pinching zone  Befor

15 72-001-02 Rev A 6.3 Check Valves Most fluid metering service requirements are related to check valves. Service requirements usually stem from so

16 72-001-02 Rev A Figure 10, check valves, DC3 and DC 4 Figure 9, check valves to 137 GPH

17 72-001-02 Rev A 6.3.1 Figure 10, check valves to 158 GPH to 396 GPH

18 72-001-02 Rev A 6.3.2 Check Valve Removal & Reinstallation, Cartridge type Valving that is of the cartridge design is intended to be replace

19 72-001-02 Rev A 7. Replacement Parts 7.1 KOPkit Program BLACKLINE® KOPkits contain all replacement parts normally used in a preventative maint

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

20 72-001-02 Rev A 8. Model Number Identification Position Sample Specifies Options 1 and 2 MD MD = BLACKLINE model pump 3 and 4 3B Size

21 72-001-02 Rev A 9. TroubleShooting Difficulty Probable Cause Remedy Pump does not start Faulty power source. Check power source. Blown fuse,

22 72-001-02 Rev A Difficulty Probable Cause Remedy Noisy gearing, knocking Discharge pressure too high. Reduce pressure. Water hammer. Inst

23 72-001-02 Rev A 10. Piping Accessories Pressure Relief Valves Pressure relief valves are designed to protect chemical feed systems from damage

24 72-001-02 Rev A USA Pulsafeeder, Inc. 27101 A

iii Table of Contents 1. INTRODUCTION ...

4 72-001-02 Rev A 1. Introduction The BLACKLINE® metering pump is positive displacement, mechanically operated reciprocating diaphragm pump. Each p

5 72-001-02 Rev A 2.1 Reagent Head Assembly The typical reagent head assembly consists of reagent head, diaphragm, and suction and discharge cartri

6 72-001-02 Rev A 3. Equipment Inspection Check all equipment for completeness against the order and for any evidence of shipping damage. Shortage

7 72-001-02 Rev A 4.2 Piping System 1. All systems should include a pressure relief valve on the discharge side, to protect piping and process equ

8 72-001-02 Rev A Suction Pressure Requirements Although BLACKLINE® metering pumps have some suction lift capability, a flooded suction (i.e., suctio

9 72-001-02 Rev A 5. Equipment Startup 5.1 Check oil level All pumps are supplied filled with oil. The prevent oil spills during shipping, a tempo