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CORP.
®
700 Osunda Rd. N.E., Albuquerque, NM 87113
Phone: 800-345-8889
www.MegaCorpInc.com
For best possible performance and continuous, satisfactory operation,
read these instructions before installing your new pump.
Should service be required, this manual can be a valuable guide.
It should be kept near the installation for ready reference.
© 2012
OWNER'S MANUAL
Model M4B
Frame Mounted Centrifugal Pump
Hydraulic Coupling Drive
Important
BE1015-MEGA (08/13/12)
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Summary of Contents for Mega M4B
- Page 1 OWNER’S MANUAL Model M4B Frame Mounted Centrifugal Pump CORP. ® Hydraulic Coupling Drive 700 Osunda Rd. N.E., Albuquerque, NM 87113 Phone: 800-345-8889 www.MegaCorpInc.com Important For best possible performance and continuous, satisfactory operation, read these instructions before installing your new pump.
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Page 2: Table Of Contents
Table of Contents Page • Safety ............................3 • Transport and Storage ..................... 4 • Pump Nomenclature General Information ......................5 Parts Breakdown ......................6, 7 • Start-up General Information ....................... 8, 9 • Maintenance Routine Inspection ......................10 General Information ......................11 Packing Ring Replacement .................... -
Page 3: Safety
Safety First General Information General Safety READ AND FOLLOW SAFETY INSTRUCTIONS! Do not allow pump, piping, or any other system This is the safety alert symbol. When you see component containing water to freeze. Freezing may damage system, leading to injury or flooding. Allowing this symbol on your pump or in this manual, look pump or system components to freeze will void for one of the following signal words and be alert to the... -
Page 4: Transport And Storage
Transport and Storage General Information TRANSPORT AND STORAGE • Dry pump internals and spray the liquid end with a water-displacement rust inhibitor (Rust-Ban 392, TRANSPORT AND HANDLING REqUIREMENTS The Crown 6011, Arma 245, Ensis fluid 254, Sunkote pump has been prepared for shipment at the factory 1303, or equal). -
Page 5: Pump Nomenclature
Pump Nomenclature General Information ORDERING REPLACEMENT PARTS Illustration on the following page show typical com- ponents used in the assembly of bearing frame mounted Locate the nameplate on the pump, plate is normally centrifugal pumps. Refer to this drawing when ordering on the bearing bracket. -
Page 6: Parts Breakdown
Pump Nomenclature Bearing Frame Mount/Packing Seal Parts Breakdown Bearing Cap Motor Bracket Grease Fitting Oil Seal External Retaining Ring Ball Bearing Thrust Ring Shaft Roller Bearing Water Slinger Slotted Split Gland Packing Rings Metallic Ring Shaft Sleeve Hex Nut Capscrew Stud Impeller Washer Capscrew... - Page 7 Pump Nomenclature Bearing Frame Mount/Mechanical Seal Parts Breakdown Bearing Cap Motor Bracket Grease Fitting Oil Seal External Retaining Ring Ball Bearing Thrust Ring Shaft Roller Bearing Water Slinger Pipe Plug Shaft Seal Shaft Sleeve External Retaining Ring Capscrew Impeller Washer Capscrew Lock External Tooth Washer Hex Capscrew...
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Page 8: Start-Up
Set discharge valve to minimum flow. Turn on power to The following are factory approved brands of grease for pump. Slowly open discharge valve until desired flow use with Mega Pumps: Alvania EP2, Shell Oil; rate is achieved. Mobilith AW2, Mobil Oil, Ronex MP, Exxon, Litholine EP2, Atlantic Richfield;... - Page 9 Start-up General Information OBSERVATIONAL MAINTENANCE PUMP PROTECTION COLD WEATHER/ WET WEATHER INSTALLATIONS When the pump and system operation have been stabilized, verify that pump unit is operating properly. SYSTEM DRAINS Provide drain valves to empty system, including pump case, to prevent freezing Observe the following: damage.
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Page 10: Maintenance
Maintenance Routine Inspection Record 1. qUARTERLY INSPECTION 3. qUARTERLY INSPECTION Inspect all system piping connections for leakage Inspect all system piping connections for leakage or possible misalignment. or possible misalignment. Complete any lubrication requirements as Complete any lubrication requirements as dictated by pump and driver owner’s manual. -
Page 11: General Information
Maintenance General Information WINTERIzING RECOMMENDED SPARE PARTS If pump is to be out of service for an extended period of It is recommended that the following spare parts be kept time, such as the winter months, the following storage on-site as a minimum back-up to service your pump procedures should be followed: and reduce down-time. -
Page 12: Packing Ring Replacement
Maintenance Packing Ring Replacement Packing Hooks Frame Mount Bracket 6582 0712 Shaft Shaft Sleeve Slotted Split Gland Packing Rings Metallic Ring Seal Plate w/ Wear Ring Hex Nut Stud FIGURE 4 6581 0712 • Unfasten hardware holding packing gland in place and •... -
Page 13: Shaft Sleeve Installation/Replacement
Maintenance Shaft Sleeve Installation/Replacement Removal Each new shaft sleeve is oversize for its corresponding (Using a LITTLE heat may make it easier to shaft, allowing it to easily slip on the shaft. Saf-T-Lok ® remove the old sleeve.) R42 or R80, or Loctite 648, seals the sleeve onto the ®... -
Page 14: Impeller Replacement
Maintenance Impeller Replacement Frame Mount Bracket Shaft Shaft Sleeve Shaft Seal External Seal Plate Retaining w/ Wear Ring Ring Impeller O-Ring Casing O-Ring Casing w/ Wear Ring FIGURE 5 6583 0712 PUMP DISASSEMBLY • Check the clearance between the impeller hub wear ring and seal plate wear ring. -
Page 15: Mechanical Seal Maintenance/Replacement
Maintenance Mechanical Seal Maintenance/Replacement Installing New Seal Frame Mount Bracket Shaft Shaft Sleeve Shaft Seal External Seal Plate Retaining Ring w/ Wear Ring Impeller O-Ring Casing O-Ring Casing Polished Face up w/ Wear Ring Cardboard washer (Supplied with seal) 6064 0609 FIGURE 6 FIGURE 7 6585 0712... -
Page 16: Shaft Maintenance/Replacement
Maintenance Shaft Maintenance/Replacement Ball Bearing Shaft Roller Bearing Water Slinger Shaft Seal Shaft External Sleeve Retaining Ring FIGURE 8 GENERAL SHAFT INSTALLATION 6586 0712 • Shaft assembly of bearing frame pumps should • Thoroughly steam clean or solvent wash the bearing be disassembled annually to inspect for worn cavity of bracket to remove old grease and dirt. -
Page 17: Troubleshooting
Maintenance Troubleshooting Hydraulic Drive Pump PROBABLE CAUSE SYMPTOM GROUP I GROUP II GROUP III DRIVER MECHANICAL SYSTEM Pump runs, but no water delivered Not enough water delivered Not enough pressure Excessive vibration Abnormal noise Pump stops Overheating CAUSE CORRECTIVE ACTION I. - Page 18 Page 18 F00637...
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