Mega M4B Owner'S Manual Download Page 3

General Information

Safety First

 

Page 3

General Safety

Do not allow pump, piping, or any other system 

component containing water to freeze. Freezing may 

damage system, leading to injury or flooding. Allowing 

pump or system components to freeze will void 

warranty.  
Pump approved liquids only with this pump.    
Periodically inspect pump and system components.
Wear safety glasses at all times when working on 

pumps.
Keep work area clean, uncluttered and properly lighted; 

store properly all unused tools and equipment.
Keep visitors at a safe distance from the work areas.

Rotating parts. Can catch 

hands, feet, or clothing.
Stay clear of equipment and 

keep shields in place while 

pump is running. 
Stop motor or engine before 

servicing pump.
Read owner’s manual before 

using equipment.

WARNING

READ AND FOLLOW 
SAFETY INSTRUCTIONS!

This is the safety alert symbol. When you see 
this symbol on your pump or in this manual, look 

for one of the following signal words and be alert to the 
potential for personal injury:

warns about hazards that 

will cause 

serious personal injury, death or major property 
damage if ignored.

warns about hazards that 

will or can 

cause serious personal injury, death or major property 
damage if ignored.

warns about hazards that 

will or can cause 

minor personal injury or property damage if ignored.
The label 

NOTICE indicates special instructions which 

are important but not related to hazards.
Carefully read and follow all safety instructions in 
this manual and on pump.
Keep safety labels in good condition.  
Replace missing or damaged safety labels.

INSTALLATION

Heavy weights; risk of crushing toes or 

feet. Use care and proper lifting equipment when 
handling pump for installation. Size and weight of some 
units will require hoists for safe handling. 
When properly positioned, the suction and discharge 
openings of the pump will be aligned with system piping.

Summary of Contents for M4B

Page 1: ...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 Shou...

Page 2: ...rts Breakdown 6 7 Start up General Information 8 9 Maintenance Routine Inspection 10 General Information 11 Packing Ring Replacement 12 Shaft Sleeve Installation Replacement 13 Impeller Replacement 14...

Page 3: ...alert symbol When you see this symbol on your pump or in this manual look for one of the following signal words and be alert to the potential for personal injury warns about hazards that will cause s...

Page 4: ...g box packing Fill the stuffing box with a crusting grease Rust Ban 326 or equal then pack the end of the stuffing box with rolled vapor phase inhibitor paper and seal with weatherproof tape Dry pump...

Page 5: ...mp plate is normally on the bearing bracket Information found on this plate is shown below To ensure correct parts are received provide all nameplate data when ordering The B M Bill of Material number...

Page 6: ...screw Lock External Tooth Washer Casing Wear Ring Casing O Ring Impeller Wear Ring Seal Plate Frame Mount Bracket Grease Fitting Hex Capscrew Pipe Plug Stud Hex Nut Shaft Sleeve Bearing Cap Motor Brac...

Page 7: ...r Ring Casing O Ring Impeller Wear Ring Seal Plate Frame Mount Bracket Grease Fitting Hex Capscrew Pipe Plug Oil Seal Hex Capscrew Shaft Sleeve Pipe Plug Roller Bearing Shaft Bearing Cap Motor Bracket...

Page 8: ...riming is the displacement of air with water in the pump and suction piping Pump MUST BE completely filled with water when operating HYDRAULIC BALANCED PUMPS Hydraulic balanced pumps operate with a ve...

Page 9: ...area and gland are not hot If heating is detected loosen the gland nuts evenly until water is just running out of stuffing box in a DROPLET form approximately 40 60 drops per minute Water must not be...

Page 10: ...t all system piping connections for leakage or possible misalignment Complete any lubrication requirements as dictated by pump and driver owner s manual Inspect packing or mechanical seal for possible...

Page 11: ...ur pump and reduce down time Check your model style against parts breakdown See FIGURES 1 and 2 when selecting spares Mechanical Shaft Seal Packing Set and Packing Hooks Shaft Sleeve s All O Rings Req...

Page 12: ...cing over shaft sleeve and pushing them in as far as they will go Rotate ring joint 90 degrees when installing each ring Slide packing gland into position gland must enter stuffing box bore then gentl...

Page 13: ...ew sleeve onto the shaft Rotate the sleeve at least twice before butting it against the shaft shoulder Wipe any excess adhesive off the shaft and sleeve NOTE With activator the adhesive will begin to...

Page 14: ...place the casing wear ring Check the clearance between the impeller hub wear ring and seal plate wear ring If it is more than 020 0 5 mm on a side replace the seal plate wear ring IMPELLER INSTALLATIO...

Page 15: ...to place See FIGURE 6 Do not damage the seal face 10 Reinstall the seal plate Hold in place with 2 capscrews Cover all shaft threads with the seal installation bull nose tool to protect the seal durin...

Page 16: ...als in the bearing bracket and bearing cap Lubricate with oil Pack bearings with a lithium based NLGI No 2 extra pressure ball bearing grease Force enough grease into each bearing to fill internal spa...

Page 17: ...ot properly adjusted Adjust gland III SYSTEM A Pressure required by system at design Compare pump pressure and flow rate against pump characteristic curve flow rate exceeds pressure rating of pump Che...

Page 18: ...Page 18 F00637...

Page 19: ...F00637 Page 19...

Page 20: ......

Reviews: