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Teikoku DynaPump LE Series Instruction Manual

Sealless leakproof canned motor pump
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Instruction Manual
for: Installation, Operation, & Maintenance
DYNAPUMP
Sealless Leakproof Canned Motor Pump
LE SERIES
4/09

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Summary of Contents for Teikoku DynaPump LE Series

  • Page 1 Instruction Manual for: Installation, Operation, & Maintenance DYNAPUMP Sealless Leakproof Canned Motor Pump LE SERIES 4/09...
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  • Page 3: Table Of Contents

    Table of Contents Paragraph Page SECTION 1. GENERAL INFORMATION 1-1. General Design and Operation ..................... 1-2. Stator Assembly ..........................1-3. Rotor Assembly ..........................1-4. Bearings ............................1-5. Thrust Washers and Shaft Sleeves ....................1-6. Cooling Flow ..........................1-7. Automatic Thrust Balance ......................1-8.
  • Page 4 2-2 Trouble Shooting ......................... 8 4-1 Dynapump LE Series Bearing Wear Limit .................. 14 4-2 Dynapump LE Series Playing Gap of Rotor (Axial End Play) ............ 14 4-3 Dynapump LE Series Adjusting Value of Gap “g” ............... 14 4-4 Dynapump LE Series Tightening Torque for Impeller Bolt ............14 APPENDIX Trouble Analysis Sheet ..........................
  • Page 5 CAUTION Dynapump LE Series are canned motor, sealless pumps that offer a low cost, off the shelf, environmentally friendly alternative to sealed and single containment sealless pumps. Care should be exercised upon installation, start up, removal and maintenance of the pumps. Recommended safety equipment should be used at all times.
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  • Page 7: Section 1. General Information

    A por- the Dynapump LE Series, is designed to assist you tion of the pumped fluid is allowed to re-circulate in obtaining this service.

  • Page 8: Stator Assembly

    1-4. Bearings of the motor windings will occur. The bearings for the Dynapump LE Series are car- 2. Avoid rapid temperature changes. Rapid bon graphite as standard (silicon carbide is avail-...
  • Page 9 Restarting the motor before ascertaining the nal pressure before attempting to disassemble cause can result in excessive heat leading to the pump. Adequate precautions must be taken premature failure. if the liquid in the pump could be hazardous to personnel or the environment. 5.
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  • Page 11: Section 2. Installation

    NPSH MUST be 2-1.1. Storage Note greater than required NPSH. In situations where a Dynapump LE Series is to be Depending on job conditions, available NPSH can stored for a period of time prior to installation and...

  • Page 12: 2-2.3. Piping Data

    2-2.3. Piping Data It is extremely important to design and size the suction system to minimize pressure losses and to be sure Observe the standards of the Hydraulic Institute when that the pump will not be “starved” for fluid during sizing and making up suction and discharge piping.

  • Page 13: Electrical

    CASE I - 460 Volt, 3-Phase Dynapump LE Series (See holding coil circuit, shutting off power to Figure 2-1, Page 7). the pump. Be sure to connect the thermal cutout as required.

  • Page 14: 2-3.4. Bearing Wear Monitor

    Figure 2-1. Dynapump LE Series 460-Volt, 3-Phase 2-3.4. Bearing Wear Monitor The Dynapump LE Series patented Teikoku Rotary Guardian (TRG) takes the mystery out of pump reli-...
  • Page 15 Table 2-2. Trouble Shooting Trouble Cause Remedy I. Failure to Deliver a . Pump not primed. a . Re-prime pump in accordance with Paragraph 3-2. Required Capacity b . Air leaks in suction piping. b . Locate leaks and eliminate. c.
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  • Page 17: Section 3. Operation

    The determine higher flow rate. Wrong direc- Dynapump LE Series is centerline discharge and is tion of rotation is indicated by a low dis- self-venting when installed in the horizontal position.

  • Page 18: Operation Details

    mal noise or vibrations should be corrected im- corded, then the color coding system shown in sec- mediately. tion 2-3.4, Page 7 may be used to determine bearing changing intervals. If the TRGi was recorded, then 4. When the pump is running at full speed, slowly the following formulas can be used.

  • Page 19: Section 4. Maintenance

    SECTION 4. Maintenance 4-1. Recommended tools for Disassembly 7. Measure and record the “g” gap before further Reassembly and Inspection. disassembly. See Figure 4-2, on Page 13. Size Description 8. To remove impeller, extend tabs of lock washer and remove impeller bolt. Be careful of small 17 mm Socket wrench for pump cas- parts that can be lost.

  • Page 20: 4-2.3. Rotor Assembly Inspection

    tact area for general appearance and uniform wear. 3. Slide on Rear Thrust Collar, verifying that the Excessive undercutting, pitting, or scoring is cause Thrust Collar is installed correctly. Slide on the for replacement. Rear Shaft Sleeve insuring that the Shaft Sleeve is tight against the Thrust Collar and is engaged Check the following points: in the anti-rotational key or pin.
  • Page 21 Figure 4-1. Bearing Wear Figure 4-2. “g” Gap Page 13...
  • Page 22 TABLE 4-1. Bearing Wear Limit Note: 15A = Front Bearing, and 15B = Rear Bearing Motor Frame Number * 3111, 3115(15B) 0.3mm (0.012 in.) 44.2mm (1.746 in.) 3115(15A), 3211, 3215(15B) 0.4mm (0.016 in.) 49.2mm (1.937 in.) 3215(15A)3311, 3315(15B) 0.4mm (0.016 in.) 59.2mm (2.331 in.) 3315(15A) 0.4mm (0.016 in.)
  • Page 23 APPENDIX...
  • Page 24 TROUBLE ANALYSIS SHEET CUSTOMER: ____________________________________ DATE: _______________________________ ADDRESS: ____________________________________ PHONE: ______________________________ ____________________________________ FAX: ________________________________ CONTACT: _____________________________________ S/N #: ______________________________ E-MAIL: _____________________________________ Proper analysis of the trouble you have been experiencing requires an accurate description of operating conditions and the system in which the pump is installed. DATE INSTALLED:________________ DATE REMOVED:________________ HOURS USED: _______________ 1.) LIQUID OR SOLUTION HANDLED (Include impurities or % if mixture):____________________________ ___________________________________________________________________________________________...
  • Page 25 DECONTAMINATION CERTIFICATION AND FLUSHING PROCEDURE CUSTOMER ______________________________________ DATE: _______________________________ ADDRESS: ____________________________________ PHONE: ______________________________ ____________________________________ FAX: ________________________________ CONTACT: ____________________________________ RMA #: ______________________________ Please complete the items below. Providing this information will allow us to work as quickly and safely as possible. PUMP MODEL: ___________________________________ SERIAL NUMBER: _______________________ PART NUMBER:___________________________________...
  • Page 26 DECONTAMINATION CERTIFICATION AND FLUSHING PROCEDURE FLUSHING PROCEDURES FOR CHEMPUMP PRODUCTS THE FOLLOWING FLUSHING PROCEDURES ARE REQUIRED TO ALLOW FOR MAXIMUM REMOVAL OF PROCESS FLUIDS. COMPLETE PUMP WITH THE SUCTION FLANGE DOWN, INTRODUCE AN APPROPRIATE NEUTRALIZING FLUID THROUGH THE DISCHARGE FLANGE. FLUSH THE PUMP IN THIS MANNER FOR A SUFFICIENT TIME TO ALLOW FOR THE REMOVAL OF ALL PROCESS FLUID.
  • Page 31 Teikoku USA: 7010 Empire Central Drive, Houston, TX 77040-3214 Phone: (713) 983-9901 Fax: (713) 983-9919 Website: www.teikoku-usa.com E-mail: info@teikoku-usa.com Chempump: 959 Mearns Road, Warminster, PA 18974 Phone: (215) 343-6000 Fax: (267) 486-1037 Website: www.chempump.com E-mail: chempump@chempump.com Midwest Service Center: State Route 2 North, Belmont, WV 26134 Phone: (304) 684-2459 Fax: (304) 684-7593...

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