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Summary of Contents for Ruhrpumpen CPO
- Page 1 Installation, Operation and Maintenance Manual...
- Page 2 These units are horizontal process pumps of the overhung power frame configuration and identified by Ruhrpumpen as CPO. It is recommended that the services of a Ruhrpumpen installation technician be employed for the installation and initial starting of the pump. Such service will help to ensure the user that the equipment is properly installed, and will provide an excellent opportunity for the plant operator to receive useful tips and guidelines relative to the unit.
- Page 3 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Information in this manual is believed to be reliable, but it is not guaranteed by Ruhrpumpen as to its completeness or accuracy. © 2018 Ruhrpumpen All Rights Reserved.
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Page 4: Table Of Contents
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP INDEX 1. PRODUCT DESCRIPTION ........................7 1.1 INTRODUCTION ..........................7 1.2 PUMP CASE AND IMPELLER ......................8 1.2.1 Pump Case ..........................8 1.2.2 Impeller ............................ 8 1.3 CASE COVER ............................ 8 1.4 BEARING FRAME .......................... - Page 5 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP 4.3.3 Grouting Procedure ........................ 22 5. PIPING AND ALIGNMENT ........................25 5.1 PIPING THE SYSTEM ........................26 5.2 ALIGNMENT* ..........................28 6. LUBRICATION ............................38 6.1 OIL LUBRICATION .......................... 38 6.1.1 Recommended Lubricant .......................
- Page 6 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP 8.2 INSPECTION AND CLEANING ......................54 8.3 REASSEMBLY ..........................54 8.3.1 CPO Pump Reassembly ......................55 8.3.2 Impeller Clearance Adjustment Values .................. 68 8.3.3 Impeller Clearance Adjustment Procedure ................69 9.
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Page 7: Product Description
The CPO is a single stage, end suction pump. For these pumps, rotation is clockwise as viewed from the driver (coupling) end. -
Page 8: Pump Case And Impeller
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP A spacer coupling is provided for accessibility of service and maintenance. The spacer permits back pull-out, that is, complete removal of the rotating element without disturbing the piping or driver. The following information is included in the nameplate of your pump unit: •... - Page 9 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP BEARING RADIAL (DEEP GROOVE BALL THRUST (ANGULAR CONTACT BRACKET BEARING, SINGLE ROW) BALL BEARING, DOUBLE ROW) 6208 3307 6310 5310 6310 5310 6310 5310 XL13 6314 3314 XL15 6314 3314 XL17...
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Page 10: Safety
The responsibilities and supervision of the personnel must be exactly defined by the plant operator. If the staff does not have the necessary knowledge, they must be trained and instructed. Training may be performed by a Ruhrpumpen representative on behalf of the plant operator. V4.083018... -
Page 11: Hazards In The Event Of Non-Compliance With The Safety Instructions
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Moreover, the plant operator is to make sure that the contents of the operating manual are fully understood by the personnel. 2.3 HAZARDS IN THE EVENT OF NON-COMPLIANCE WITH THE SAFETY INSTRUCTIONS Non-compliance with the safety instructions may produce a risk to the personnel as well as to the environment and the unit and results in loss of any right to claim damages. -
Page 12: Safety Instructions Relevant For Maintenance, Inspection And Assembly Work
Modifications may be made to the machine only after consultation with a Ruhrpumpen representative. Using spare parts and accessories authorized by Ruhrpumpen is in the interest of safety. The use of parts not authorized by the dealer exempt the manufacturer from any liability, voiding the warranty. -
Page 13: Transport & Storage
Remove unit only by properly supporting the wooden shipping skid. After unloading, inspect the pump, check the shipment against the packing list, and report damages or shortages immediately to freight carrier and to the designated Ruhrpumpen representative. Do not place lifting rig around bearing frame or under baseplate. Do not use the eyebolt at the top of pump and bearing frame to lift unit. -
Page 14: Storing
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP The rope should not be slung around the lugs attached to the motor or around the lugs attached to the pump. Figure 3.1. Correct position of the lifting ropes or chains, side view. 3.4 STORING If the pump is not installed immediately (within one month after shipping date), it should be safely stored prior to installation in a dry location free of dirt and grit. - Page 15 Return the unit to the shipping crate. When the pump is to be installed, remove all the protective coatings and desiccant or drain all oils. One month before installation, a Ruhrpumpen representative should be employed to conduct a final inspection. V4.083018...
- Page 16 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP To properly store the motor (driver) for periods longer than one month, follow these steps: Store the motor in a clean, dry area, or cover it with a loose tarp (the tarp must be loose in order to prevent condensation).
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Page 17: Conservation
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Be careful not to overheat, since keeping the temperature of the motor frame 9 °F (5 °C) above the surrounding ambient temperature is sufficient. After the storing period, follow the next steps as start-up preparations: Motor should be thoroughly inspected and cleaned to restore to an “As Shipped”... -
Page 18: Installation
NOTE: The information in this section is intended as a general guideline. IMPORTANT: The design of foundations is not the responsibility of Ruhrpumpen. It is therefore recommended that the customer consult a competent specialist skilled in the field of foundations, to insure proper design/installation of the foundation. -
Page 19: Leveling Baseplate
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Figure 4.1. Imaginary lines. It is recommended to build foundation approximately 3 inches (76 mm) larger overall than the pump baseplate to provide ample anchorage for the foundation bolts. 3.1. - Page 20 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Before leveling the unit onto the foundation, the following preparations must be made: Chip away all damaged concrete with a hammer and chisel, eliminating about one inch of the surface of the foundation.
- Page 21 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Baseplate for CPO with pedestals. Baseplate for CPO mounting blocks. Baseplate for CPO with motor adapter with C flange. Figure 4.2. Baseplate leveling planes. V4.083018...
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Page 22: Grouting
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP NOTE: The baseplate should be mounted without distortion. When baseplate is level, 'snug' the foundation bolt nuts, but do not tighten completely. 4.3 GROUTING* IMPORTANT: It is recommended that the customer consult a competent specialist skilled in the field of grouting to insure proper installation of all grouting. - Page 23 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Grout forms should be attached with drilled anchors. Do not power nail. Apply three coats of paste wax to the inside surfaces of the forms in order to prevent adherence.
- Page 24 Fill the holes with grout. Tighten the foundation bolts with an appropriate torque value. In case of doubt, please contact your Ruhrpumpen representative. Apply oil paint to exposed grout to protect from air and moisture. Use a lifting rig to position the pump and driver on their baseplate so that the mounting feet line up with their respective tapped holes.
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Page 25: Piping And Alignment
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP 5. PIPING AND ALIGNMENT These units are furnished for a specific service condition. Any change in the hydraulic system may affect the pump performance adversely. The connection of the piping must be carried out with utmost care; otherwise, the pumping medium can escape during operation, which can seriously endanger the operating personnel. -
Page 26: Piping The System
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP 5.1 PIPING THE SYSTEM Check whether the piping is loosely laid, so that no strain is placed on the pump. Piping layout and installation shall provide adequate maintenance and operation accessibility. - Page 27 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Figure 5.1. Correct mounting of a cone type strainer. Disconnect the piping from the pump if you heat one side of the pipe to align the pipe to the pump.
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Page 28: Alignment
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP No obstruction within at least five pipe diameters of the suction flange should be fitted. Do not install unsupported piping on the pump. Make sure electrical connections do not impose any stress on the pump unit. ... - Page 29 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP A. ALIGNMENT OF EQUIPMENT Correct alignment is mandatory for the successful operation of rotating equipment. A flexible coupling is no excuse for misalignment. The relationship between shaft centerlines can easily be determined by 1) two step dial indicator method, 2) reverse indicator alignment, 3) across the disc pack alignment.
- Page 30 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP issues could indicate excessive piping loads transmitted to the pump, or that the baseplate has been twisted, and is not grouted and mounted flat. B. REVERSE INDICATOR ALIGNMENT GRAPHICAL ANALYSIS On a sheet of graph paper, lay out the equipment that you are trying to align.
- Page 31 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Figure 5.2. Indicator sag. With the indicator bracket attached to the motor hub reading off the pump hub, rotate unit in 90° increments and take readings. Bottom reading is then corrected for indicator sag. Indicator sag in the example was determined to be -0.005 inch (-0.127 mm).
- Page 32 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Figure 5.3. Motor shaft extension relative to the pump shaft center line. Now with the indicator bracket attached to the pump hub reading off the motor hub, rotate unit again in 90°...
- Page 33 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP We have now located the motor shaft theoretical extension in two places: A. In the plane of the pump hub. B. In the plane of the motor hub. Drawing a straight line through these two points crossing the plane of the two motor feet.
- Page 34 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Figure 5.6. Reverse indicator alignment of more than two units. D. ACROSS THE DISC PACK ALIGNMENT GRAPHICAL ANALYSIS When the distance between disc packs is long where it is not practical to try to span the distance with indicator bracketry, the 'across the disc pack method' can be used.
- Page 35 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP The next step is to determine indicator sag. Set up your bracket arrangement on a pipe. Set the indicator at '0' on top. Roll set up until indicator is at the bottom of pipe. It will read negative. In this example, it was found to be -0.004 inch (-0.102 mm).
- Page 36 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Figure 5.9. Plot of the plus reading in the across the disc pack alignment analysis example. Now with the indicator bracket attached to the motor hub reading out on the center member, rotate the unit in 90°...
- Page 37 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Figure 5.10. Plotting the motor in the across the disc pack alignment analysis example. In this example, the motor should be shimmed up 0.013 inch (0.330 mm) under front feet and shimmed up 0.016 inch (0.406 mm) under back feet.
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Page 38: Lubrication
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP 6. LUBRICATION 6.1 OIL LUBRICATION 6.1.1 Recommended Lubricant The recommended bearing frame oil is ISO VG 68 non-detergent oil. Turbine quality oil is preferred. This oil may be used during break-in and normal operation. 6.1.2. - Page 39 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Figure 6.1a. Constant level oiler (assembly). Figure 6.1b. Oil tank. Figure 6.1c. Oil tank cap (with set screws). V4.083018...
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Page 40: Oil Change - Oil Sight
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Figure 6.1d. Oil reservoir. Untighten the set screws of the oil tank cap. Remove the oil tank cap along the oil reservoir. Unscrew and remove the oil reservoir from the oil tank cap. Pour oil into the oil tank as necessary until the oil level reaches the label marked on the tank. -
Page 41: Quantity
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP bearing housing with clean lightweight oil is possible (e.g. ATF). Remove the breather connection located at the top of the bearing housing and pour the oil. Oil level must reach the middle of the oil sight to assure proper lubrication. Replace the breather connection back on its position. -
Page 42: Pure Oil Mist-Dry Sump
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP If it is suspected that bearings have been exposed to dirt or moisture, thoroughly clean the bearings and frame with a solvent and air-dry the parts before adding lubricant. Disassembly, inspection, cleaning, and reassembly procedures are provided in SECTION EIGHT - MAINTENANCE. -
Page 43: Purge Oil Mist-Wet Sump
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP • If bearing frame is dismantled, flush bearing frame with clean lightweight oil (e.g. ATF). • Be certain bearings have a light coating of oil before startup. 6.3 PURGE OIL MIST-WET SUMP ... -
Page 44: Regular Grease Change
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Before starting the pump, the bearings must be properly greased. Check the bearings for the first hour or so after the pump has started up to insure that they are functioning properly. Proper grease lubrication is very important. -
Page 45: Complete Cleaning During A Major Overhaul
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP 6.4.3 Complete Cleaning During a Major Overhaul If the bearings need cleaning or if an overhaul period offers the opportunity, the bearings and the housings should be cleaned out in the following manner: Remove the bearing housings from the rotor assembly. -
Page 46: Operation
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP 7. OPERATION 7.1 PRIMING Before starting any centrifugal pump it is necessary that the pump casing and the suction pipe are completely filled with liquid. Priming can be done in the following ways: When the liquid is over the line of the pump center it is primed by opening the suction and discharge valves. -
Page 47: Startup
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP 7.2 STARTUP Every time before the pump is started up the safety devices must be mounted and fastened. In order to avoid risks of injury or damage, all pump units must be equipped with emergency-stop devices. -
Page 48: Operating Check
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Check all equipment for proper lubrication and correct rotation. Verify that the discharge valve is closed. Open the suction valve. Open discharge valve and allow pump to fill with fluid (pump is self-venting). Keep the valves open approximately 60 seconds to ensure that pump is completely full of fluid. - Page 49 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Ruhrpumpen recommends checking the pump constantly at regular intervals in order to detect problems early, in case they arise. The operational check routine must include at least the following points: ...
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Page 50: Doweling (Optional)
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP The pump may only be operated under the minimum operating range for short periods. The minimum pump flow is given in the characteristic line. 7.4 DOWELING (OPTIONAL) When the pump has reached operating temperature and pressure, Stop pump. -
Page 51: Short-Term Shutdown
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Ensure the drive motor cannot be unintentionally turned on. Ensure the shut-off devices in the suction and pressure pipes cannot be unintentionally opened. Drain the pump and the auxiliary piping. ... -
Page 52: Maintenance
IMPORTANT: For any component/accessory that has not been manufactured by Ruhrpumpen and is part of the pump’s equipment, a complete reading of said component/accessory manufacturer’s manual must be carried out for further information on proper maintenance procedures and relevant safety warnings. - Page 53 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP When disassembling the pump, match mark, tag or otherwise identify all parts, and provide separate containers for small parts. Refer to the pump sectional drawing included in SECTION TEN - PARTS INFORMATION for proper identification of parts. Unscrew and remove the main screws from the casing and bearing bracket.
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Page 54: Inspection And Cleaning
Thoroughly clean all parts and dry with compressed air or a clean, lint free cloth. Inspect all components for corrosion, erosion, pitting, and scoring. If required, replace with Ruhrpumpen O.E.M. genuine replacement parts. a. Visual check all individual parts for any damage. -
Page 55: Cpo Pump Reassembly
8.3.1 CPO Pump Reassembly Please follow the steps detailed on this section to reassemble the CPO pump. With the help of a hydraulic press, insert the coupling side (thrust) bearing into the shaft. Figure 8.1. Placing the coupling side (thrust) bearing into the shaft. - Page 56 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Insert the security washer into the shaft right after the thrust bearing. Figure 8.2. Insert the security washer into the shaft. Screw the locknut into the shaft in the thrust side. Figure 8.3.
- Page 57 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Introduce the shaft in the bearing carrier. Figure 8.5. Introducing the shaft in the bearing carrier. Place the bearing retainer in its position through the shaft. Figure 8.6. Placing the bearing retainer in its position. Fasten the bearing retainer with its corresponding screws.
- Page 58 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Insert the non coupling side (radial) bearing in the opposite side of the shaft with the help of a hydraulic press. Figure 8.8. Inserting the non coupling side (radial) bearing into the shaft. ...
- Page 59 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Apply grease to the threaded part of the bearing bracket and the bearing carrier and insert the rotor assembly in the bearing bracket, screwing it to the bracket. Figure 8.10.
- Page 60 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Insert the labyrinth seal in the radial bearing cover with the help of a hydraulic press. Figure 8.12. Inserting the labyrinth seal in the radial bearing cover. Place the corresponding gasket in its place. Apply a small amount of grease between the gasket and the bearing bracket to ease its placing.
- Page 61 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Screw the radial bearing cover to the bearing bracket. Figure 8.15. Screwing the radial bearing cover to the bearing bracket. Introduce the cartridge seal over the shaft through the impeller side. Figure 8.16.
- Page 62 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Insert the corresponding screws in the bearing bracket. Figure 8.18. Inserting the corresponding screws in the bearing bracket. Place the casing cover in its position. Figure 8.19. Placing the casing cover in its position. Place and tighten the corresponding nuts on the bolts.
- Page 63 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Place an O-ring on the back of the impeller. Use a small amount of grease to avoid the O- ring from falling. Figure 8.21. Placing an O-ring on the back of the impeller. Install the impeller.
- Page 64 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP To adjust the impeller distance, rotate the bearing carrier counter-clockwise until the impeller begins to brush against the casing cover. Figure 8.23. Rotating the bearing carrier to adjust the impeller distance. Place the gasket on the casing cover.
- Page 65 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Screw the casing to the bearing bracket with its corresponding screws. Tighten them in a crosswise pattern. Figure 8.26. Screwing the casing to the bearing bracket. Once the casing has been tighten, rotate the bearing carrier clockwise to move the impeller forward.
- Page 66 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Install the cooling coil (optional) in the bearing bracket. Figure 8.27. Installing the cooling coil in the bearing bracket. Install the oil sights in the bearing bracket. Figure 8.28. Installing the oil sights in the bearing bracket. Screw the breather in the bearing bracket.
- Page 67 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Screw the square head plugs or greasers (optional) on the bearing carrier and bearing cover. Figure 8.30. Screwing the square head plugs on the bearing carrier and bearing cover. Screw the rest of the plugs in the casing and bearing bracket.
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Page 68: Impeller Clearance Adjustment Values
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP At this point, the pump has been completely assembled. Figure 8.33.Assembled CPO pump. 8.3.2 Impeller Clearance Adjustment Values The adjustment of the impeller should be performed with the pump casing. Depending on the operating conditions is how the impeller clearance should be adjusted, and if those conditions change, the adjustment should be redone according to the new operating conditions. -
Page 69: Impeller Clearance Adjustment Procedure
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP The following figure illustrates the impeller clearance, which is the clearance between the impeller and the casing. Figure 8.34. Impeller clearance 8.3.3 Impeller Clearance Adjustment Procedure The axial adjustment to determine the clearance between the impeller and the casing should not be performed with the mechanical seal fixed, as this could damage the mechanical seal. - Page 70 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP many marks the turning of the carrier has to cover. Once the angular displacement has been defined, make a second mark with the marker to ensure a correct adjustment. This axial displacement has to be compensated because the carrier is displaced 0.002 in (0.05 mm) when tightening the screws to lock the carrier.
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Page 71: Spare Parts
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP 9. SPARE PARTS The recommended quantity of spare parts to meet regular conditions of constant operation over a period of two years are given in the list below: Number of Identical Pumps (Including Reserve Pumps) 10 and Spare Parts... - Page 72 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP • Identity number from the list of spare parts. • Part number from the sectional drawing. • Quantity. Material storage of spare parts: • Store the spare parts in their original packaging. •...
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Page 73: Parts Information
HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP 10. PARTS INFORMATION Figure 10.1 Sectional Drawing CPO Pump. V4.083018... - Page 74 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP Parts List CPO Pump. ITEM DESCRIPTION ITEM DESCRIPTION CASING TUBING CASING COVER CONNECTOR SHAFT CONNECTOR 750.1 IMPELLER CONNECTOR COUPLING SIDE (RADIAL) BEARING NAME PLATE NON-COUPLING SIDE (AXIAL) BEARING HEXAGON SOCKET SET SCREW 900.1...
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Page 75: Troubleshooting Chart
Inner pump parts are a. Change worn parts. worn b. Consult a Ruhrpumpen dealer. b. Density or viscosity of c. Apply correct voltage to the motor. pumped fluid is not same as d. Check the cables, connections and fuses. - Page 76 Install vent valve or lay piping elsewhere. plugged j. Change worn parts. CAPACITY OR i. Formation of air pockets k. Consult a Ruhrpumpen dealer. DISCHARGE in the piping l. Apply correct voltage to the motor. PRESSURE LOW j. Inner pump parts are m.
- Page 77 HORIZONTAL END SUCTION, OPEN IMPELLER, SINGLE STAGE, HEAVY DUTY CHEMICAL PROCESS PUMP RUHRPUMPEN PLANTS USA, Tulsa & Orland MEXICO, Monterrey BRAZIL, Río De Janeiro ARGENTINA, Buenos Aires GERMANY, Witten EGYPT, Suez INDIA, Chennai CHINA, Changzhou UK, Lancing V4.083018 V4.083018...
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