Summary of Contents for Dean RWA Series
- Page 1 R W A E R I E S Fan Cooled Hot Water Pumps DO NOT INSTALL, OPERATE, OR SERVICE THIS PUMP BEFORE READING THE ENTIRE MANUAL Instruction Manual MC 1.4.44...
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Page 2: Table Of Contents
INDEX Product Inspection and Test ............... .2 Warnings . -
Page 3: Product Inspection And Test
SAE 10 weight oil. When full, replace the ” or damage. Dean Pump Division is not responsible for any loss or NPT pipe plug. damage resulting from causes beyond its control, and is not liable... -
Page 4: Mechanical Design Specifications
Care in storage and installation will preserve the built-in tee. Install the vapor exhaust tube into the connector on quality of each Dean Product. top of the vapor eliminator. 5) Replace the casing drain plug. -
Page 5: Installation
WARNING: service. Consult your Dean Pump sales engineer with all the service Strain caused by “forcing”, improper flange bolting, and/or mis- requirements and a full description of the existing pump (including... -
Page 6: Suction And Discharge Piping
Failure to properly align the unit will result in vibration, short bearing life, and reduced mechanical seal life. Suction and discharge nozzle sizes of Dean pumps are selected for proper performance of the pumping unit and are not intended to Pumps are not constructed to be used as pipe anchors. - Page 7 To check the offset alignment, mount the dial indicator as shown in the illustration “INDICATOR SETUP TO READ OFFSET MISALIGN- MENT” below, with the indicator button on the outside diameter of the stationary hub, near the face of the hub closest to the end of the shaft.
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Page 8: Allowable Piping Loads
ALLOWABLE PIPING LOADS FOR RWA2096, RWA4166 AND RWA4206 PUMPS MAXIMUM FORCES ON FLANGES FOR SUCTION FLANGE DISCHARGE FLANGE +/-F x ≤ 200 LBS./NOM.IN. ≤ 1.2W +/-F y ≤ 130 LBS./NOM.IN. ≤ 0.6W +/-F z ≤ 160 LBS./NOM.IN. ≤ 1.0W ≤ 2000 LBS F r = (F y + F z SUCTION... -
Page 9: Pump Lubrication
WARNING: Vapor emitting from the vapor exhaust may be hot. Grease is also available from Dean Pump in individual containers. one container is required for a RWA4166 pump. Two containers are required for a RWA4206 pump. Order “RA3000” Grease #2 for bearing lubrication. -
Page 10: Operating
3) A vacuum pump (preferably a wet vacuum pump) may be OPERATING used for evacuating air from the pump and piping. The vacu- WARNING: um pump should be connected, as is the exhauster covered in Before starting the unit, see that all personnel are a safe distance No. -
Page 11: Pump Start-Up Checklist
PUMP START-UP CHECKLIST These points must be checked after pump installation and before Operating the pump in reverse rotation may cause starting up the pump. extensive damage. If driver rotation is correct, replace the coupling spacer. If not, connect the wiring for proper rotation 1) Read instruction manual thoroughly and understand it. -
Page 12: Spare Parts
To avoid prolonged down time and facilitate rapid repair of dam- ORDERING SPARE PARTS aged pump parts, Dean recommends that the pump user maintain Spare part orders will be handled with a minimum delay if the a minimum stock of spare parts. If the pump service is critical, a following information is furnished by the customer with the order: spare parts stock is even more important to the user. - Page 13 SECTIONAL ASSEMBLY DRAWING – 01964 RWA4166 SECTIONAL ASSEMBLY DRAWING – 01967 RWA4206...
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Page 14: Disassembly And Reassembly Procedures
DEAN PUMP to be repaired. ambient temperature. Bleeding must be through a valved drain When it is necessary to open the pump and/or the pumping line piped to a closed container mounted lower than the pump. - Page 15 j) Remove the vapor eliminator assembly (see “Small Piping a) Remove the impeller nuts (12) of the RWA2096 or the impeller Connections” on page 7). First, loosen the tubing nut at the top bolt (12) of the RWA4166 or the RWA4206 (all have right of the vapor eliminator and remove the vapor exhaust tube.
- Page 16 Do not hammer on any parts. Personal injury and/or damage to equipment may occur. Do not attempt to manufacture parts or modify Dean Pump parts in any manner. Death, personal injury, and/or damage to equipment may occur. Replace all gaskets, seals, bearings, and lubricants. Replace all parts that have worn, corroded, eroded, or otherwise deteriorated.
- Page 17 Union Oil of California’s “UNOBA #2” Grease Grade 2 seal gland (13) installation of step j). 1) RWA2096 procedure: Grease is also available from Dean Pump in individual containers. Order “RA3000 Grease #2 for bearing Lubricate the inside of the mechanical seal rotary (95B) and lubrication”.
- Page 18 2) RWA4166 procedure: RWA4166 & RWA4206 F OCATIONS Lubricate the inside of the shaft sleeve (10) and the pump shaft (29), from the impeller (3) fit to the mechanical seal gland (13). Use the same Rubber Lubricant Emulsion as in step h) on page 15.
- Page 19 any rubbing is detected. RWA2096 F OUNTING ad) Realign the pump and driver per instructions under “PUMP AND DRIVER ALIGNMENT” ae) Follow the instructions under “PUMP LUBRICATION”, “STARTING THE PUMP”, AND “PUMP START UP CHECKLIST”. af) Replace the vapor eliminator into the top of the pipe tee after filling the pump and venting the seal chamber.
- Page 20 ’ USTOMER LANT AINTENANCE ECORD Dean Pump Serial Number Plant Property Number Service Location Capacity ; T.D.H. ; Imp. Dia. ; Temp. ; RPM Spare Parts in Plant Stock Room Interchangeable with Dean Serial Numbers...
- Page 21 If you do not have personnel who are capable of safe quality repair of this equipment, we advise you to return Do not attempt to manufacture parts or modify Dean Pump parts in any manner. Death, personal injury, and/or the equipment to DEAN PUMP to be repaired.
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