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Carver Pump GH Safety, Installation, Operation And Maintenance Instructions

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GH Pump
SAFETY, INSTALLATION, OPERATION AND
Part Number: _______________________________________
Serial Numbers: _____________________________________
These operating instructions contain fundamental information and precautionary notes. Please read the manual
thoroughly prior to installation of unit, electrical connection and commissioning. It is imperative to comply with all other
operating instructions referring to components of individual units.
This manual shall always be kept close to the unit's location of operation or directly on the pump set.
MAINTENANCE INSTRUCTIONS
I-120
120 – 16.02.EN

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  • Page 1 I-120 120 – 16.02.EN GH Pump SAFETY, INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS Part Number: _______________________________________ Serial Numbers: _____________________________________ These operating instructions contain fundamental information and precautionary notes. Please read the manual thoroughly prior to installation of unit, electrical connection and commissioning. It is imperative to comply with all other operating instructions referring to components of individual units.
  • Page 2 NOTE: The 120 pumps are NOT supplied or declared to ATEX Directive 94/9/EC. Person authorized to compile the technical documentation: Kurt Doren, Quality/ISO Manager, Carver Pump Company, 2415 Park Ave, Muscatine Iowa, USA 52761 Authorized Signature: Date:...
  • Page 3 I-120 120 – 16.02.EN GH Pump SERVICE RECORD PAGE Service No. ______________________ Model _________________________ Size and Type _______________ Customer Order No. ____________________________ Date Installed __________________________________ Installation Date Location Application PUMP RATING Capacity _____________________________________ Total Head ____________________________________ Suction Pressure ______________________________ Speed (RPM) __________________________________...
  • Page 4 I-120 120 – 16.02.EN GH Pump NOTES ON INSPECTION AND REPAIRS INSPECTION DATE REPAIR TIME REPAIRS COST REMARKS...

  • Page 5: Table Of Contents

    I-120 120 – 16.02.EN GH Pump INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS TABLE OF CONTENTS SECTION/PARAGRAPH PAGE SECTION/PARAGRAPH PAGE GENERAL DESCRIPTION ....... 1 D. Leveling of Unit .......... 10 A. General Information ........1 E. Grouting ............. 10 B. Machinery Directive 2006/42/EC ....1 F.
  • Page 6 I-120 120 – 16.02.EN GH Pump TABLE OF CONTENTS - Continued LIST OF TABLES LIST OF ILLUSTRATIONS NUMBER TITLE PAGE NUMBER TITLE PAGE 1. Maximum Discharge Pressure on 1. Stuffing Box Dimensions......6 Discharge Case ......... 4 2. Transport of the Bare Pump ......9 2.

  • Page 7: General Description

    EHSRs before a understanding of the GH Pump, thus upgrading the CE mark is attached. reliability, service life, and quality of pump maintenance. These operating instructions are intended to facilitate NOTE familiarization with the product.

  • Page 8: Pump Identification

     Arrow indicating the direction of rotation permitted after consultation with Carver Pump and to the extent permitted by Carver Pump. Original spare parts  Markings for fluid connections must always be...

  • Page 9: Scope Of Compliance

    Section VIII on start up before returning the C. SCOPE OF COMPLIANCE. pumping unit to service. Where Carver Pump has supplied only the bare shaft pump, the rating applies only to the pump. The party G. GENERAL SAFETY INSTRUCTIONS.

  • Page 10: Non-Compliance With Safety Instructions

    I-120 120 – 16.02.EN GH Pump H. NON-COMPLIANCE WITH SAFETY Table 1. Maximum Discharge Pressure on INSTRUCTIONS. Non-compliance with safety Discharge Case instructions may result in personal injury, property damage, or unnecessary damage to the pumping unit. Maximum Working Pressure...

  • Page 11: Effects Of Fluids

    Item 16 and 18 – Radial and Thrust Ball Bearings. pump was originally designed, check with Carver Pump Deep groove Conrad type, C-3 internal fit ball bearing or Company.
  • Page 12 I-120 120 – 16.02.EN GH Pump 10P Bearing Frame 20P Bearing Frame 30P Bearing Frame Figure 1. Stuffing Box Dimensions...

  • Page 13: Key Component Materials

    I-120 120 – 16.02.EN GH Pump Table 2. Key Component Materials Component Material Specification Bearing Frame Cast Iron ASTM A48, Class 30 ASTM A44, Class 30 Casing Cast Iron ASTM A48, Class 30 Bronze ASTM B584,C87500 Cast iron ASTM A48, Class 30...

  • Page 14: Inspection And Storage

    B. PACKING FOR RETURN. If the pumping unit is 2. It has been installed but operation is delayed sent back to Carver Pump Company for repair, drain the pending completion of construction. unit, and re-seal all flanges and connections that were 3.

  • Page 15: Installation

    I-120 120 – 16.02.EN GH Pump VII. INSTALLATION. A. LOCATION. The pump assembly should be located in an area that will permit periodic inspection and maintenance. Head room and access should be provided and all units should be installed in a dry location with adequate drainage.

  • Page 16: Leveling Of Unit

    I-120 120 – 16.02.EN GH Pump D. LEVELING OF UNIT. When the pump is supplied 1. Wax forms heavily with at least three coats of complete with motor and base, the unit is assembled at paste wax. Forms must be substantial and well the factory.

  • Page 17: Coupling Alignment

    I-120 120 – 16.02.EN GH Pump F. COUPLING ALIGNMENT. The pump and motor shims under the feet or supports of the motor and are connected by a coupling. Alignment is necessary tighten fastening bolts until correct alignment is when the pump or motor are removed from the base.

  • Page 18: Pre-Installation Procedures

    I-120 120 – 16.02.EN GH Pump G. PRE-INSTALLATION PROCEDURES. Suction lift lines shall be laid with a rising slope toward the pump and suction head lines with a downward slope towards the pump. DANGER The suction pipe must be air tight and sloped upward to...

  • Page 19: Operation

    I-120 120 – 16.02.EN GH Pump Positive Suction Head: VIII. OPERATION. 1. Open the vent on the highest point on the pump A. PRE-START CAUTIONS. volute. 2. Open all suction valves. DANGER 3. Allow liquid to flow from vent hole until all air bubbles are vented.

  • Page 20: Operating Checks

    I-120 120 – 16.02.EN GH Pump D. OPERATING CHECKS. F. INDEFINITE SHUTDOWN. 1. Check for undue vibration or noise. If any Stop the pumping unit per Section VIII, Paragraph E. occurs and does not stop within a short period Remove casing plug to drain casing. Drain all piping if of time, turn off the pump.

  • Page 21: Pumping Unit Troubleshooting

    I-120 120 – 16.02.EN GH Pump Table 4. Pumping Unit Troubleshooting SYMPTOM IMMEDIATE ACTION PROBABLE CAUSE CORRECTIVE ACTION Pump does not deliver 1. Stop the pump, refer to 1. Excessive system 1. Check GPM and head rated capacity or rated Section VIII, Paragraph pressure.
  • Page 22 I-120 120 – 16.02.EN GH Pump Table 3. Pumping Unit Troubleshooting - Continued SYMPTOM IMMEDIATE ACTION PROBABLE CAUSE CORRECTIVE ACTION Pump discharge pressure 1. Stop the pump, refer to 1. Excessive speed. 1. Check speed precisely. excessive. Section VIII, Paragraph Decrease speed.

  • Page 23: Maintenance

    10,000 hours afterwards. Ball bearings should be recorded periodically for each pump to keep is lubricated at Carver Pump Company with Amoco track of maintenance which has been performed and to Rykon Premium Grease No. 2EP or equivalent, non- note operational problems.

  • Page 24: Lubrication Of Motor Bearings

    Factory authorized parts must be used to safely C. TORQUE VALUES. Refer Table maintain your Carver Pump. Recommended Torque Values. Clean and properly lubricate threads and bearing face of the fastener to NOTE obtain the proper fastener loading from these torque To avoid damage to O-rings, check to make values.

  • Page 25: Disassembly Of Pump

    Before attempting to disassemble the pump, service your Carver Pump. Refer to Figures 9 and 10 to the electrical power supply to the driver must locate the pump parts by item number and parts list be locked and tagged in the “OFF”...
  • Page 26 I-120 120 – 16.02.EN GH Pump 7. On close-coupled pumps, remove nut (600*) CAUTION from bolt (601*) from motor adaptor (71), backcover (11) and casing (1). Remove rotary Use a hoist with adequate lifting capacity; refer assembly along with motor and take the items to to Section VII, Paragraph B, for lifting the a suitable work area.

  • Page 27: Parts Inspection

    I-120 120 – 16.02.EN GH Pump NOTE 7. Inspect mechanical seal. Replace mechanical seal that is disturbed from position If gaskets are disturbed from position replace or damaged. with new. 8. Inspect the impeller and bushing keys for distortion and push fit into keyways. The keys The following steps are for pumps with a should be square on all four edges.
  • Page 28 I-120 120 – 16.02.EN GH Pump If difference between the high reading of the exceeds double maximum inside diameter of the backcover wear ring clearances given in Table 7, replace the (7X) and the low reading of the outside back wear ring according to Section XI, diameter of the back impeller (2) wear ring Paragraph G.

  • Page 29: Reassembly Of Pump

    (*6). If ball bearing replacement is assemble your Carver Pump. Refer to Figures 9 and 10 not possible and bearing is in good condition, to locate the pump parts by item number and parts list clean bearing in accordance with Section X, Table 9.
  • Page 30 I-120 120 – 16.02.EN GH Pump NOTE CAUTION For a cartridge seal, refer to mechanical seal Use a two-man lift or suitable lifting device to lift vendor instructions for proper seal installation pumping unit, motor, or assemblies. procedure. 18. Install casing (1) to backcover (11) with 11.

  • Page 31: Replacement Of Packing

    9. Twist the ring of packing (180) slightly in an “S” shape and place it around the shaft (6). c. Pre-cut sets of packing and lantern rings are available for stock from Carver Pump 10. Seat packing (180) firmly against bottom of Company stuffing box using the gland (17).

  • Page 32: Replacement Of Mechanical Seal

    I-120 120 – 16.02.EN GH Pump 14. Install remaining packing (180) as described in Mechanical Seal Removal Steps 8 through 10 above. NOTE NOTE Refer to mechanical seal vendor instructions for proper mechanical seal removal procedure. In tightening the gland (17), gland hex nuts (615) should be adjusted evenly to avoid Disassemble pump per Section XI, Paragraph B.

  • Page 33: Replacement Of Optional Wear Ring On Pump Equipped With Enclosed Impeller

    I-120 120 – 16.02.EN GH Pump 4. Install gland (17) on shaft (6), slide back removed and the wear ring is accessible. Once the wear towards slinger (40). ring is accessible, use the following procedures: 5. Install casing (1) to bearing frame (19) or motor 1.

  • Page 34: Parts List

    I-120 120 – 16.02.EN GH Pump Table 9. Parts List Item Number Description Item Number Description Casing Intermediate 2 or 3 Impeller Gasket, Sleeve Shaft *73A Gasket, Suction Cover Wear Ring Gasket, Impeller 9 or 10 Suction Cover O-Ring, Backcover...

  • Page 35: Exploded View - Frame Mounted (Shown With Mechanical Seal)

    I-120 120 – 16.02.EN GH Pump NOTE The following items are not shown: Coupling Coupling Guard 131A Splash Guard, Bearing Frame Motor Figure 9. Exploded View – Frame Mounted (Shown with Mechanical Seal)

  • Page 36: Exploded View - Close-Coupled (Shown With Packing)

    I-120 120 – 16.02.EN GH Pump NOTE The following item is not shown: 131A Splash Guard, Intermediate Figure 10. Exploded View – Close-Coupled (Shown with Packing)
  • Page 37 This page intentionally left blank.
  • Page 38 2415 Park Avenue, Muscatine, IA 52761 Phone: 563.263.3410 www.carverpump.com I-120 IOM 120 – 16.02.EN...

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