Pentair MYERS MSPD3 Installation And Service Manual
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Pentair MYERS MSPD3 Installation And Service Manual

Pentair MYERS MSPD3 Installation And Service Manual

Self-priming sewage and trash pumps
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MODEL MSPD3/MSPD8/MSPD10
SELF-PRIMING SEWAGE
AND TRASH PUMPS
INSTALLATION AND SERVICE MANUAL
NOTE! To the installer: Please make sure you provide this manual to the owner of the equip ment or to the responsible
party who maintains the system.
Part # 23833A568 | © 2014 Pentair Ltd. | 07/29/14

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Summary of Contents for Pentair MYERS MSPD3

  • Page 1 INSTALLATION AND SERVICE MANUAL NOTE! To the installer: Please make sure you provide this manual to the owner of the equip ment or to the responsible party who maintains the system. Part # 23833A568 | © 2014 Pentair Ltd. | 07/29/14...

  • Page 2: General Information

    GENERAL INFORMATION Motors: Pump unit may be shipped without the motor for The self-priming centrifugal pumps have a semi-open customer to supply and mount. impeller and suction flap valve. Pump is designed to handle raw unscreened sewage, mild industrial waste Motor Types: and slurries containing entrained solids.

  • Page 3: Pump Installation

    2. Always use fused disconnect switch or circuit 4. The suction pipe should be installed at a distance breaker ahead of magnetic starter for short circuit equal to 1½ times the diameter of the suction protection. When duplex pumps are used and are pipe from the wall of the wet well, minimum.

  • Page 4: Pump Maintenance

    Drain Line from Pump Case: This clearance should be checked at least once a year and more often if water containing abrasives is being A pipe should be installed in the lower drain tapping of pumped. When impeller face wear exceeds 1/8", volute case and be piped back to the wet well.
  • Page 5 Replacing Inboard Seal: clean. The following pertains to the 3" MSPD pumps. Remove stainless steel socket head impeller screw Use all steps outlined under impeller removal. Slide that locks impeller to the shaft. This screw has a seal and shaft sleeve from shaft. It may be necessary right-hand thread.

  • Page 6: Pump Troubleshooting

    head screw. If shaft has a taper fit, be sure key is in 3. Allow sufficient time for priming. On high lifts place and in notch of shaft sleeve. Unit is now ready and at low pump speeds priming time may take to reinstall in casing.
  • Page 7 Motor starter overload trips after pump has 3. If cracking noise is pronounced when pump is operated for a short period: operating at low capacity it may indicate pump is operating too near the shut-off head. Increasing 1 . Rags or trash may be caught in the impeller, the impeller diameter or increasing pump speed causing extra load.
  • Page 8 MSPD3 PARTS LIST Eng. Part Eng. Part Item Description Qty. Item Description Qty. 020500002 Dis. Flange (3"– 4") 002380081 Bolt 001200011 Pipe Plug 001560481 Washer 072870551 Pipe Nipple (3" x 3") 010240011 Stud 010680002 Inspection Cover 009050002 Handle – Plate Clamp 002410071 O-ring 010370021...
  • Page 9 MSPD3 PARTS...
  • Page 10 MSPD8 PARTS LIST Eng. Part Eng. Part Item Description Qty. Item Description Qty. 001180011 Pipe Plug 009750081 Snap Ring 001190011 Pipe Plug 104380002 Foot Support 001780021 Setscrew 001770111 Lockwasher 023680011 Hex Head Screw 005700051 Hex Head Screw 001770121 Lockwasher 005700101 Hex Head Screw 023240021 Stud...
  • Page 11 MSPD8 PARTS...
  • Page 12 MSPD10 PARTS LIST Eng. Part Eng. Part Item Description Qty. Item Description Qty. 001180011 Pipe Plug 009750111 Snap Ring 001190011 Pipe Plug 071670031 Bearing 001780021 Setscrew 009740041 Snap Ring 023680011 Hex Head Screw 009750081 Snap Ring 001770121 Lockwasher 104380002 Foot Support 023240021 Stud 001770111...
  • Page 13 MSPD10 PARTS...
  • Page 14 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 15 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 16: Standard Limited Warranty

    Warranty is effective only if Pentair Myers authorized control panels are used. All seal fail and heat sensing devices must be hooked up, functional and monitored or this warranty will be void. Pentair Myers will cover only the lower seal and labor thereof for all dual seal pumps. Under no circumstance will Pentair Myers be responsible for the cost of field labor, travel expenses, rented equipment, removal/reinstallation costs or freight expenses to and from the factory or an authorized Pentair Myers service facility.

This manual is also suitable for:

Myers mspd8Myers mspd10

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