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Murzan PI-50, Operation & Service Manual

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Murzan PI-50 Operation & Service Manual Download Page 26

5.3 ASSEMBLY C

Assembly C does not normally require replacement. These instructions will guide you through
disassembly and reassembly of Assembly C, shown on the following page in Diagram C. To
begin disassembly and reassembly of Assembly C, you will need the following tool:

. (1) Phillips Head Screw Driver 

1. Loosen and remove the needle valve. Inspect all components of Assembly C, with reference
to Diagram C.

2. If replacement is required, loosen and remove the needle nut. Next, loosen and remove the
needle bushing and needle seat.

3. Before beginning reassembly of Assembly C, apply liberal amounts of Teflon thread sealant
to the threads of the needle bushing and needle valve.

4. Install the needle seat. Do not overtighten.

5. Install the needle bushing. Next, install the needle nut and tighten.

6. Lastly, install the needle valve and tighten.

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Summary of Contents for PI-50

Page 1: ...DOCUMENTATION DO NOT DISCARD CE DECLARATION OF CONFORMITY AVAILABLE OPERATION SERVICE MANUAL MURZAN PI 50 PUMP 123A MURZAN INC 2909 LANGFORD RD 1 700 NORCROSS GA 30071 UNITED STATES OF AMERICA TEL 77...

Page 2: ...al and repeated below for your records Your serial number can also be found on your pump shown below When calling to request parts or information about your Murzan pump please have your serial number...

Page 3: ...Subassemblies 5 4 1 Center Subassembly 8 4 2 Chamber Subassembly 10 4 3 Check Valve Subassembly 12 4 4 Manifold Subassembly 14 5 0 Pump Disassembly 16 5 1 Assembly A 19 5 2 Assembly B 21 5 3 Assembly...

Page 4: ...r into your plant environment unlike a lubricated air valve A clean well filtered air supply is essential for the proper operation of the air valve and for the prevention of contaminants being expelle...

Page 5: ...d hose must be used on the suction side of the pump if hoses are to be used in place of piping Should you need to control your pump discharge rate you may do so by 1 Limiting the volume and or pressur...

Page 6: ...arts and dry parts Wet parts are those that come into contact with the product being pumped dry parts are those that do not come into contact with the product being pumped Wet parts require regular an...

Page 7: ...equirements If you are cleaning your Murzan pump along with your piping system at the same time a bypass hose should be used to provide the additional flow required It is recommended that the minimum...

Page 8: ...nd the second diagram shows the complete Murzan pump assembly exploded view Note the manifolds check valves and chambers on the following page may be different than those of your pump However the four...

Page 9: ...09 LANGFORD RD 1 700 NORCROSS GA 30071 USA TEL 770 448 0583 FAX 770 448 0967 DATE DRAWING No DESCRIPTION CREATED BY CENTER SUBASSEMBLY CHAMBER SUBASSEMBLY CHECK VALVE SUBASSEMBLY MANIFOLD SUBASSEMBLY...

Page 10: ...2909 LANGFORD RD 1 700 NORCROSS GA 30071 USA TEL 770 448 0583 FAX 770 448 0967 DATE DRAWING No DESCRIPTION CREATED BY PUMP ASSEMBLY 7...

Page 11: ...C Block Gasket Set 2 110010071 Assembly A 3 110021000 Assembly B 4 110031000 Assembly C 5 110041000 Air inlet filter 6 110010020 Muffler 7 110010010 Air Connector 1 2 8 110010030 Nipple 1 2 9 11001004...

Page 12: ...2909 LANGFORD RD 1 700 NORCROSS GA 30071 USA TEL 770 448 0583 FAX 770 448 0967 P R O P R I E T A R Y I N F O R M A T I O N DATE DRAWING No DESCRIPTION REV DESCRIPTION NOTES BY APP DATE CREATED BY 9...

Page 13: ...oduct Chamber 2 110103300 Air Chamber MC 3 110081000 MC Shaft 4 110061000 MC BDA Piston Inner 5 110070110 MC BDA Piston Outer 6 110071100 Piston Inner Washer MC LC 7 110070011 MC Chamber Clamp 8 11012...

Page 14: ...2909 LANGFORD RD 1 700 NORCROSS GA 30071 USA TEL 770 448 0583 FAX 770 448 0967 P R O P R I E T A R Y I N F O R M A T I O N DATE DRAWING No DESCRIPTION REV DESCRIPTION NOTES BY APP DATE CREATED BY 11...

Page 15: ...VALVE SUBASSEMBLY PARTS Diagram 3 on next page Part Description Label Part 2 1 4 Ball HF 1 110153310 3 Ball Mushroom Housing 2 110143300 3 Ball Stop 3 110156300 3 Clamp 4 110124300 3 FG Gasket 5 1100...

Page 16: ...2909 LANGFORD RD 1 700 NORCROSS GA 30071 USA TEL 770 448 0583 FAX 770 448 0967 P R O P R I E T A R Y I N F O R M A T I O N DATE DRAWING No DESCRIPTION REV DESCRIPTION NOTES BY APP DATE CREATED BY 13...

Page 17: ...SUCTION DISCHARGE MANIFOLD SUBASSEMBLY PARTS Diagram 4 on next page Part Description Label Part 3 x 3 90 Elbow 1 110193300 3 Tee MC M Manifold 2 110181330 3 Clamp 3 110124300 3 FG Gasket 4 110095300...

Page 18: ...2909 LANGFORD RD 1 700 NORCROSS GA 30071 USA TEL 770 448 0583 FAX 770 448 0967 P R O P R I E T A R Y I N F O R M A T I O N DATE DRAWING No DESCRIPTION REV DESCRIPTION NOTES BY APP DATE CREATED BY 15...

Page 19: ...of wet pump parts for cleaning followed by disassembly of dry pump parts for maintenance Pump parts are referenced in the instructions to follow using the following notation Diagram Item For example...

Page 20: ...stoppers 3 3 from all check valves 4 Loosen left product chamber clamp 2 8 by turning clamp handle 2 9 5 Remove left product chamber clamp and left product chamber 2 2 Repeat for right product chambe...

Page 21: ...ket ratchet and extension Note Once the air chambers are removed you must replace both block gaskets 1 2 before reassembling your pump Block gaskets are intended ONLY for one time use compression and...

Page 22: ...ator slots and turn counterclockwise to loosen air valve caps 2 Remove all pieces of Assembly A Use Diagram A1 for reference 3 Before reassembling a new Assembly A apply small amounts of food grade lu...

Page 23: ...2909 LANGFORD RD 1 700 NORCROSS GA 30071 USA TEL 770 448 0583 FAX 770 448 0967 DATE DRAWING No DESCRIPTION CREATED BY 20...

Page 24: ...ssary a spare Assembly B can be ordered for replacement Refer to Section 8 0 for spare parts 3 To reassemble Assembly B begin by pressing one shaft bushing into the center block until it is flush with...

Page 25: ...2909 LANGFORD RD 1 700 NORCROSS GA 30071 USA TEL 770 448 0583 FAX 770 448 0967 P R O P R I E T A R Y I N F O R M A T I O N DATE DRAWING No DESCRIPTION REV DESCRIPTION NOTES BY APP DATE CREATED BY 22...

Page 26: ...move the needle valve Inspect all components of Assembly C with reference to Diagram C 2 If replacement is required loosen and remove the needle nut Next loosen and remove the needle bushing and needl...

Page 27: ...2909 LANGFORD RD 1 700 NORCROSS GA 30071 USA TEL 770 448 0583 FAX 770 448 0967 P R O P R I E T A R Y I N F O R M A T I O N DATE DRAWING No DESCRIPTION REV DESCRIPTION NOTES BY APP DATE CREATED BY 24...

Page 28: ...of the shaft 2 4 Make sure you align the diaphragm correctly One face of the diaphragm is labelled AIR SIDE Make sure this face is in contact with the inner piston Use the 7 16 socket ratchet and ext...

Page 29: ...air chamber Install the product chamber clamp 2 8 and tighten the clamp handle 2 9 just enough to hold the product chamber in place Use a torpedo level to ensure that the product chamber tube is perf...

Page 30: ...m inwards until it is flush with the air chamber Place the product chamber over the diaphragm install the product chamber clamp and tighten the clamp handle just enough to hold the product chamber in...

Page 31: ...that all clamps have been properly tightened and then reconnect the air supply line to the pump Run the pump dry without product for a moment to make sure that the pump is functioning correctly Note O...

Page 32: ...ction line or discharge lines Pump cycles but has no product flow Check for suction side air leak or blocked suction line Check for worn block gaskets as they may result in air leaks Check for blocked...

Page 33: ...ion Qty Reference 110021000 Center Assembly A 1 1 3 110031000 Center Assembly B 1 1 4 110010071 Center MC LC Block Gasket Set 1 1 2 110010020 Center Air inlet filter 1 1 6 110010010 Center Muffler 1 1...

Page 34: ...and remove same ASSIGNABILITY The customer may not assign any of its rights or obligations under the order without the prior express written consent of Murzan Inc WARRANTY Murzan warrants to the orig...

Page 35: ...10 0 ADDITIONAL DOCUMENTS Additional documents for your Murzan pump are attached 32...

Page 36: ...R I E T A R Y I N F O R M A T I O N DATE DRAWING No DESCRIPTION REV DESCRIPTION NOTES BY APP DATE A B NOTE YOUR MURZAN PUMP MAY HAVE DIFFERENT CHECK VALVES AND OR DIFFERENT SIZE MANIFOLDS HOWEVER DIME...

Page 37: ...P R I E T A R Y I N F O R M A T I O N CHECKED BY SCALE DATE DRAWN BY DRAWING No DESCRIPTION BY 2909 LANGFORD RD 1 700 NORCROSS GA 30071 USA TEL 770 448 0583 FAX 770 448 0967 REV DESCRIPTION DATE NOTE...

Page 38: ...0 8 1 6 0 10 140 1 0 0 APP NOTES DATE DESCRIPTION REV TEL 770 448 0583 FAX 770 448 0967 NORCROSS GA 30071 USA 2909 LANGFORD RD 1 700 BY DESCRIPTION DRAWING No DRAWN BY DATE SCALE CHECKED BY P R O P R...

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