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MTHPUMPS T31 SERIES Manual

Horizontal close coupled flexible coupled
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T31 SERIES
Pump Manual
HORIZONTAL CLOSE COUPLED
FLEXIBLE COUPLED
Distributed in the UK by.....
Pump Engineering Limited. Unit B1, Riverside Industrial Estate,
Littlehampton, West Sussex, BN17 5DF, United Kingdom
Tel: 01903 730900
Fax: 01903 730234
email: sales@pumpeng.co.uk Web: www.pumpeng.co.uk
Section T31 Page 501
Dated July 2015
97-4621-01-588

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  • Page 1 97-4621-01-588 Distributed in the UK by..Pump Engineering Limited. Unit B1, Riverside Industrial Estate, Littlehampton, West Sussex, BN17 5DF, United Kingdom Tel: 01903 730900 Fax: 01903 730234 email: sales@pumpeng.co.uk Web: www.pumpeng.co.uk T31 SERIES Pump Manual HORIZONTAL CLOSE COUPLED FLEXIBLE COUPLED...

  • Page 2: General Instructions

    Page 502 T31 SERIES General Instructions CLOSE COUPLED PUMPS a process compatible fluid. Try to turn ative turbine pumping system. The steep FLEXIBLE COUPLED PUMPS the pump using the coupling or shaft. On pumping characteristic, typical of these close coupled units, access to the shaft is pumps, produces very large pressure A.

  • Page 3: Installation

    FOR CRITICAL SERVICES - a duplex in- stallation, with two identical pumping units T31 SERIES Installation CLOSE COUPLED PUMPS seals or the entire pump can be ruined The foundation must be a permanent...
  • Page 4 Page 504 4. Torque down the motor or pump. 5. Recheck the parallel alignment Outlet Rotation above. If the parallel (.015 inches) or angular (.070 inches) misalignment is great, this is an indication of baseplate distortion and must be corrected first, refer to 2C Inlet Leveling.

  • Page 5: Operation

    This should not, however, be the de- performance curve should be the basis valves, and components. termining factor. Many things including for judgments. T31 SERIES Operation 3. Jog the pump momentarily 3B Inlet and Outlet Locations (Refer CLOSE COUPLED PUMPS...

  • Page 6: Maintenance

    4. Turn on the pump. be in low power mode in anticipation of Figure 4-2 Standard Seal Consrtuction T31 SERIES Maintenance CLOSE COUPLED PUMPS boxes. This does not, however, mean sembly/assembly instructions. Always they can totally be ignored.
  • Page 7 Striking have been deformed or cut. The following tools and equipment are the shaft too hard could damage the needed for disassembly of T31 Series seat, rotating element, or the motor. If seal components must be reused, Pumps:...
  • Page 8 Page 508 T31 CLOSE COUPLED PUMP NAME/DESCRIPTION PART NO. QTY. Motor Bracket Cover "O" Ring/Casing "O" Ring/Drain Plug "O" Ring/Thru Bolt Snap Ring Impeller Seal Rotating Element Seal Stationary Seat Thru Bolt Pipe Plug Key/Impeller Drive 1. Connect all piping and fill the pump with fluid.
  • Page 9 Page 509 5B — Disassembly of the P2 Unit. supported during this operation, no should be no smaller than .002" below 5D — Reassembly of the P2 Unit. damage will be done to the bearings. the nominal fractional seal sizes. Remove any nicks or burrs which may An exploded view of the unit, Figure 5-3 have occurred during disassembly.

  • Page 10: Troubleshooting

    Refer to Section 5 SERVICE - PUMP situation. ENDS (Final testing is done after the pump end is in place.) T31 SERIES Troubleshooting CLOSE COUPLED PUMPS leads on a three phase motor to 5. Air leak in the suction line —...

  • Page 11: Parts And Repair Services

    An exception to this is when problem. Disassembly and replace- the pump has been idle for some ment is the solution if tightening the T31 SERIES Parts and Repair Services 7A Parts Phone: 630-552-4115 A. Parts Repair parts may be obtained through Fax: 630-552-3688.

  • Page 12: Limited Warranty

    If, within the Warranty Period, a Purchaser believes that a Product has failed to meet its Operational Specifications, the Purchaser must request a Return Goods Authorization (“RGA”) in the manner specified at http://www.mthpumps.com, and supply any additional information MTH might reasonably request. If the Product was purchased through a distributor or any entity other than MTH, the RGA request must be made through that entity.

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