Pulsafeeder Pulsar Shadow Manual do Utilizador

Bulletin #: PR – IOM – 0802 - D Installation Operation Maintenance Instruction Hydraulic Diaphragm Metering Pump

5 2.2.5 Gear Ratio Assembly Figure 6 PULSAR pumps are driven by a standard C-face electric motor mounted on the motor adaptor input flange. The

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

7 4.2 Piping System All piping systems should include: 1. Shutoff valves and unions (or flanges) on suction and discharge piping. This permits c

8 4.3 Suction Pressure Requirements Although PULSAR metering pumps have suction lift capability, all pump installations should have minimum lift fo

9 4.6 PULSAlarm Leak Detection Electrical Connections Figure 9 If equipped with an optional vacuum or pressure switch, install electrical wiring

10 5. Equipment Setup 5.1 Lubrication PULSAR pumps use two separate oils: PULSAlube 7H, hydraulic oil for the eccentric box and PULSAlube 8G, g

11 5.1.3 Hydraulic Oil Fill Remove the diagnostic window to gain access to the reservoir and add PULSAlube 7H hydraulic oil until the oil level is

12 Drive Motor Installation 5.2.1 Motor Rotation Motor can be operated in either direction, clockwise or counterclockwise. Verification of motor d

13 6. Startup Procedure 6.1 Output Adjustment Figure 12 All PULSAR pumps have a hand-wheel for manual stroke length adjustment. Mounted atop

14 6.2 Suction System Before operation of any PULSAR pump, carefully ensure that all suction valves are in the open position. Verify that all fil

i PULSAR Factory Service Policy Should you experience a problem with your PULSAR pump, first consult the troubleshooting guide in your operation a

15 6.5 Calibration Figure 13 All metering pumps must be calibrated in order to accurately specify stroke length settings for required flow rates.

16 6.6 Checking the Diagnostic Window Bypass Port PTP Port Connected to The hydraulic bypass valve on the side of the pump head The PTP

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

18 7.1.2 Hydraulic Oil Change: The recommended hydraulic oil change interval is 2 years for normal service and 1 year for severe service. Hydrauli

19 7.2.1 Standard Diaphragm Replacement Figure 14 PULSAR diaphragms do not have a specific cycle life; however, the accumulation of foreign mater

20 7.2.2 Re-Priming the Pumphead Leak Detection diaphragm systems require special hydraulic priming considerations to protect the diaphra

20 7.3 Check Valves 7.3.1 General Description Most fluid metering problems are related to check valves. Problems usually stem from solids accumu

21 7.4 Hydraulic Performance Valve (HPV) 7.4.1 General Description During normal pump operation hydraulic fluid is continually discharged through

22 7.4.3 HPV Removal and Replacement - A & B Pumphead Style Use the following procedure for a HPV Removal and Replacement (A & B Pumphead S

23 12. Make certain that the diagnostics seal at the top of the eccentric box flange and the HPV feed port o-ring at the bottom of the flange

ii Table of Contents 1. INTRODUCTION ...

24 9. Inspect the o-ring on the cylinder locating shoulder for nicks or other damage and replace if necessary, lubricate with PULSAlube 7H. 10. Ma

25 close to the pump as possible. With the pump operating at maximum stroke length, gradually increase the discharge pressure and observe when the

26 7.7 Piston Seal Figure 21 Figure 22 7.7.1 General Description The piston seals are of carbon graphite reinforced TFE U-cup constru

27 7.8 Oil Seals 7.8.1 General Description The pump has three oil seals as follows: Motor Adapter Seal – Inside the motor adapter, below the worm

28 7.9 Cover Assembly 7.9.1 Removal & Reinstallation Figure 23 The hand knob linkage employs a slip type coupling which can be reassembled i

29 8. Pump Motor 8.1 Removal & Reinstallation Use the following procedure to remove and reinstall the pump motor: 1. Disconnect the power sou

30 10. Troubleshooting Chart Difficulty Probable Cause Remedy Pump does not start. 1. Coupling disconnected. Connect coupling. 2. Faulty power

31 Troubleshooting Chart (cont.) Difficulty Probable Cause Remedy Pump loses hydraulic oil. 1. Diaphragm ruptured. Replace. 2. Leaky seal. Repla

32 10.1 Diagnosis of Diaphragm Failure The following guide provides some potential causes of diaphragm failure; it is based upon visual observatio

33 11. Appendix I PULSAlarm Leak Detection System 11.1 PULSAlarm Leak Detection Reagent Head Assembly The PULSAlarm leak detection reagent hea

iii 7.4.1 General Description ... 21 7.4.2 Ch

34 11.3 Leak Detection Option – Setup for Vacuum A vacuum must be maintained at all times during pump operation, otherwise, the diaphragm halves m

35 11.5 Pressure System Set-up and Priming If the pressurized leak detection system is opened to the atmosphere during maintenance or inspection,

36 9. Empty the fill tube of fluid, and place it on the fitting near the switch, extending upwards, open to the atmosphere. 10. Ensure that the ecc

37 11.6 Leak Detection System Maintenance Although the PULSAlarm leak detection system requires minimal maintenance, vacuum must be maintained to

38 11.7 PULSAlarm Leak Detection Diaphragm Maintenance Figure 27 11.7.1 Leak Detection Diaphragm Removal Use the following procedure to remov

39 11.7.2 Inspection Remove and inspect the diaphragm assembly. It may have taken a permanent convex/concave set as a result of normal flexure and

40 12. Appendix II Piping Calculations Suction Head Requirements All reciprocating metering pumps require a net positive suction head (NPSHR).

41 Table 2. Unit sets and constant values for use in NPSH Equations. Variable Units Set English Metric NPSH psi bar Ppsia A bar(a) Ppsi H bar

42 System Back Pressure The system backpressure must exceed the suction pressure by at least 5 psi (0.35 bar) in order to prevent flow through, how

43 13. Appendix III Oil Specifications PULSAlube # 7H API Gravity (ASTM D 287) = 31 Viscosity (ASTM D 2161) SSU @ 100° F = 175 Viscosity (AST

iv Conventions: The following conventions are used in this document. A WARNING DEFINES A CONDITION THAT COULD CAUSE DAMAGE TO BOTH THE EQUIPMENT

44 14. Appendix IV Bolt Torque Recommendations Metal Construction Reagent Head Part No. Head Size Head Bolts Tie bar Bolts No. Bolts & Size

45 Installation On both discharge and suction lines, it is desirable to mount the PULSAtrol as close to the pump connection as possible. It can be

46 PULSAtrol Removal When removing or disassembling a PULSAtrol, drain all piping and remove all air and process pressure. Assume that the diaphra

47

12 - 2006 Bulletin PR-IOM-0802 Rev D

1 1. Introduction 1.1 General Description PULSAR metering pumps are positive displacement reciprocating pumps. They combine the high efficiency o

2 2.2 Component Location and Operation Figure 2 2.2.1 Reagent Head Assembly The typical reagent head assembly consists of reagent head, diap

3 PULSAlarm Leak Detection The PULSAlarm leak detection reagent head assembly consists of reagent head, leak detection diaphragm, suction and disch

4 2.2.3 Control Assembly Figure 5 PULSAR pumps incorporate a lost motion style of stroke length adjustment to limit piston travel during the su