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Idex MICROPUMP 668-400-2 Component Maintenance Manual With Illustrated Parts List

Pressurematic water system
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Model No. 668-400-2
Pressurematic Water
System
Part No. 8700
Product Code: O/C GJAN23.Y1BVB-DX70B
COMPONENT
MAINTENANCE MANUAL
with
ILLUSTRATED PARTS LIST
PART NO. 5913
REV.
G
09/10/09
MICROPUMP, INC.
A Unit of IDEX Corporation
PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294
LIMITED
MICROPUMP
A Subsidiary of Micropump, Inc.
Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44-
2 Howard Road, Eaton Socon, St.
1480-
356300
Page 1 of 33

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Summary of Contents for Idex MICROPUMP 668-400-2

  • Page 1 ILLUSTRATED PARTS LIST PART NO. 5913 REV. 09/10/09 MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.
  • Page 2 Note: The manual covers the overhaul and maintenance of the Model 668-400-2 Pressurematic Water System with the P/N 9978-Motor and Switch Assembly. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.

  • Page 3: Table Of Contents

    6. Repair 7. Assembly 8. Special Tools 9. Illustrated Parts List (IPL) MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.

  • Page 4: Description And Operation

    1.2.1.7 Weight (Shipping): 4 lb (1.81 kg) 1.2.1.8 Dimensions: as given in Figure A. 1.3 Operation MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 5 Figure B shows a simplified schematic diagram of the pump assembly. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 6 Outline Drawing of Model 668-400-2 Figure A MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.
  • Page 7 1.3.2 Water enters from the supply tank at the inlet port (1), passes through the inlet screen (2), and is pressurized by the impeller gears (3). The pressurized flow MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 8 1.3.8 In any sealed liquid system there is always danger of an increase of pressure due to temperature changes, etc. A pressure relief must be provided. This relief MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.

  • Page 9: Testing And Troubleshooting

    2.1.1.8 3/8 inch (9.525 mm) fittings. Number required depends upon type of connectors on valves, tees, etc. 2.1.1.9 One (1) each 3/8 Male Pipe Plug. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 10 2.1.2.2 Four (4) to five (5) feet (121.92 to 151.7 cm) of 3/8 inch (9.525 mm) I.D. Tygon tubing or equivalent. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 11 Model 668-400-2 Test Setup Figure C MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.
  • Page 12 Model 668-400-2 and Circuit Breaker/Light Switch Assembly Electrical Interconnect Diagram Figure D MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.
  • Page 13 2.4.1.2 Pressure Regulator Adjustment 2.4.1.2.1 This adjustment prevents the pump from increasing system pressure above 25 psi (1.72 bar) while in operation. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 14 Lift pressure switch assembly from cylinder. Lift spring from cylinder. Place shim(s) in cylinder, replace spring and pressure switch assembly, and re-install screws. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 15 To increase measurement, pry up between center of magnet assembly and base assembly MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 16 30 psi (2.07 bar). Water should start to leak from tubing at 30 psi (2.07 bar). MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 17 2.5 Troubleshooting MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.

  • Page 18: Disassembly

    3.3 Disassembly of Pump Assembly (-1). (Refer to Figure 1 & 2 in IPL.) Note: Place all parts on clean surface. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 19 9978 Motor and Switch Assembly Note: Do not damage or shorten external wiring if motor is to be re-used. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.

  • Page 20: Cleaning

    Troubleshooting. Side marks indicate that drive magnet is radially misaligned, possibly due to a bent rotor shaft. Refer to Repair. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 21 Cleaning. Note: It is not necessary to disassemble motor for following checks. 5.2.2 Rotor and Bearing Condition MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.

  • Page 22: Repair

    6.2.2 Bushing replacement (Refer to Figure 2 in IPL.) 6.2.2.1 To remove bushing, run 6-32 tap into bushing three or four turns and pull bushing out. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.

  • Page 23: Assembly

    7.2.4 Place adjuster assembly (15) with adjusting screw (16) and nut (17) over assemblies installed in Steps 7.2.2 and 7.2.3. Attach to body assembly (2) with two screws (14). MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 24 7.4.3 Insert sleeve (13) into cylinder (37), followed by shim (14) and spring (12). 7.4.4 Install screws (7) and tighten. 7.4.5 Submit Model 668-400-2 to pump test. See Testing and Troubleshooting. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.

  • Page 25: Special Tools

    Figure G. It is available from Micropump, Inc. as P/N 5465. Bushing Insertion Tool Figure G MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.

  • Page 26: Illustrated Parts List (Ipl)

    9.2.1.2 Figure 2 with its parts breakdown details the pump assembly. 9.2.1.3 Figure 3 with its parts breakdown details the motor and drive housing assembly with pressure switch. MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 27 Shim, Pressure Switch A/R = As required * See electrical interconnection diagram, Figure D (Page 10) MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc.
  • Page 28 Model 668-400-2 Pressurematic Water System Figure 1 MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.
  • Page 29 2643 Spring, Adjuster 2785 Retainer MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.
  • Page 30 1374 O-Ring 2789 Piston MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.
  • Page 31 Model 668-400-2 Pump Assembly Figure 2 MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.
  • Page 32 9719 Hub Assembly-Drive Magnet 4867 Motor MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.
  • Page 33 Model 668-400-2 Motor and Drive Housing with Pressure Switch Figure 3 MICROPUMP, INC. A Unit of IDEX Corporation PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294 LIMITED MICROPUMP A Subsidiary of Micropump, Inc. Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44- 2 Howard Road, Eaton Socon, St.

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Micropump 8700

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