moyno WA series Service Manual

2000 cc pumps

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WA Models

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Summary of Contents for moyno WA series

  • Page 1 WA Models...
  • Page 2: Table Of Contents

    ABLE OF ONTENTS PAGE 1-1. INTRODUCTION ..............................1 1-2. General..............................1 1-3. Scope ..............................1 1-4. Nameplate Data............................. 1 1-5. Pump Rotation............................1 1-6. Model Number ............................1 2-1. INSTALLATION ..............................2 2-2. General..............................2 2-3. Piping..............................2 2-4. Foundation............................. 2 3-1.
  • Page 3: Introduction

    The first six numbers and letters identify the pump’s basic design characteristics. The Moyno 2000 pump is a progressing cavity pump. A single helical rotor rolling eccentrically in the double-threaded helix of In the first space, a number identifies the number of stages in the the stator creates the pumping action.
  • Page 4: Installation

    This will allow the rotor and stator to be removed without 4-2. General having to remove the complete pump from the base. The Moyno 2000 CC pump has been designed for a minimum of 2-4. Foundation maintenance, the extent of which is routine adjustment of the packing.
  • Page 5: Packing Replacement

    5-3. Stator Removal the packing and damage to the shaft. In those situations where no packing leakage can be tolerated, consult your Moyno Remove section of discharge pipe attached to discharge Authorized Representative.
  • Page 6: Packing Housing Removal

    Carefully pull the rotor / connecting rod / drive shaft Bearing Housing Disassembly assembly from the bearing housing (35) and intermediate drive shaft assembly being careful not to damage the Remove brass tip set screw (Z) from the bearing lock nut (33). mechanical seal (if supplied).
  • Page 7: Stator

    head (13), flat side first. Thrust plate and driveshaft/rotor head surfaces must be flush to assure proper assembly and operation of the pump (see Figure 7-1.). Figure 7-1. Rotor Thrust Plate Seating Detail Secure the connecting rod (24) so that it cannot rotate. Figure 6-1.
  • Page 8: Bearing Housing Assembly

    13. Slide the head ring (12) over the driveshaft/rotor head flat side first (side counter-bored for bolts should be facing the Place bearing housing (35), thrust roller bearing (36), end of the rotor/driveshaft) towards the assembled gear and intermediate drive shaft (37) assembly with the joint components and driveshaft/rotor gear joint shell (23).
  • Page 9: Pumps With Double Or Cartridge Mechanical Seals

    Install new stator gasket (2) into suction housing (11) bore. Your Moyno 2000 pump has been designed and built to minimize overall operating cost. All wearable parts are replaceable. A Slide stator clamp rings (4) on both ends of the stator (6) recommended inventory of spare parts is dependent upon the and secure in position with retaining rings (3).
  • Page 10: Hardware List

    10-1. Hardware List Description WA022 WA036 WA050 WA065 WA115 WA175 Hex Screw- Pump M16X45, .75-10X2.00, Zinc Plated .75-10X2.25" Zinc Plated Support to Discharge Zinc Plated .625", Zinc .75", Zinc Plated .75" Zinc Plated Lock Washer Plated Hex Screw-Clamp Ring M16X40, .75-10X1.75, Zinc Plated .75-10X1.75"...
  • Page 11: Parts List

    11-1. Parts List Description WA022 WA036 WA050 WA065 WA115 WA175 Discharge Flange-ANSI-Cast Iron 4073000901 4083000901 4240428001 4103001501 4073000907 4083000907 Discharge Flange-ANSI-316SS 4240428007 4103001507 4241046001 4230170001 Discharge Flange-Metric-Cast Iron 4241044001 4241311001 4241046007 4230170007 Discharge Flange-Metric-316SS 4241044007 4241311007 BG085Q BH085Q Stator Gasket BF085Q BK085Q AG0085...
  • Page 12 11-1. Parts List (Continued) Description WA 022 WA036 WA050 WA 065 WA115 WA175 Bearing Lock Nut 4242034 000 4242035000 4242048000 Radial Roller B earing 4231226 000 4231229000 4231234000 4252779 000 4252780000 Bearing Housing 4252792000 Thrust Roller Bearing 4231227 000 4231228000 4231235000 4252781 000 4252782000...
  • Page 13: Exploded View

    12-1 Exploded View of WA Pump...
  • Page 14: Seal Set Dimensions

    13-1. Seal Set Dimensions Set Dimension Crane Type Pump Model Shaft Size 2100 Burgmann Type MG12 022, 036, 050 45.00 140.0 (5.51) 065, 115 60.00 144.5 (5.69) 80.00 174.0 (6.85) Set Dimension Pump Model Shaft Size Crane Type 680 Burgmann Type M7N Flowserve Type RO Chesterton Type 491 AES Type SAI...
  • Page 15: Troubleshooting Chart

    14-1. TROUBLESHOOTING CHART...
  • Page 16 Your Authorized Service Distributor is: ©2011 by Moyno, Inc. Printed in U.S.A. ®Moyno is a registered trademark of Moyno, Inc. 0311 Moyno is part of the Fluid Management Group of Robbins & Myers, Inc.

This manual is also suitable for:

Wa036Wa050Wa022Wa065Wa115Wa175

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