Need help?Do you have a question about the MTH M50 SERIES and is the answer not in the manual?
Inspect equipment for damage or missing components upon receipt and report any issues.
Store pumps in a dry location with protective coatings, and add corrosion inhibitor for storage over 30 days.
Clean, flush, and carefully turn stored pumps. Loosen bolts if impeller is stuck.
Covers electrical wiring, construction materials, valves, and system design for pump operation.
Lists recommended spare parts for critical services, important services, routine maintenance, and troubleshooting.
Choose a location considering elevation, accessibility, and clearance for inspection and servicing.
Ensure a rigid foundation to absorb vibrations and maintain alignment, using appropriate bolts.
Level the pump and motor assembly using shims to correct distortion and ensure proper alignment.
Align flexible coupled pumps by checking parallel and angular alignment and correcting with shims.
Ensure piping is correctly sized, supported, and not forced into place to avoid misalignment.
Confirm correct motor rotation direction, usually clockwise, and how to correct if wrong.
Describes pump inlet and discharge port locations for various configurations.
Emphasizes preventing foreign material larger than 25 microns to avoid pump damage.
Follow electrical codes and ensure correct motor rotation and wiring connections.
No adjustments are necessary or advisable on new pumps other than those for installation.
Consider cooling seals and materials when transferring hot fluids to ensure seal life.
Ensure pumps are completely filled with liquid before operation to prevent damage.
Follow procedures for first-time start-up, ensuring proper rotation, priming, and free turning.
Stop the pump with the least discharge head possible to minimize strain and power consumption.
Disconnect power, note wiring, and disconnect piping before unbolting the pump or motor.
Step-by-step guide for disassembling a vertical single-stage pump on C3 motors.
Procedure for disassembling multistage pumps with C3 motors or P3 bearing frames.
Procedure for disassembling multistage pumps with C30 motors or P30 bearing frames.
Clean and inspect all parts for wear, corrosion, and proper clearances; replace as needed.
Detailed steps for reassembling a vertical single-stage pump with C3 motors.
Step-by-step guide for reassembling multistage pumps with C3 motors or P3 bearing frames.
Detailed instructions for reassembling multistage pumps with C30 motors or P30 bearing frames.
Final checks and adjustments before placing the pump into service.
Initial steps for servicing bearing pedestals, including disconnects and disassembly preparation.
Tools and procedures for disassembling P3 bearing pedestals.
Tools and procedures for disassembling P30 bearing pedestals.
Tools and procedures for reassembling P3 bearing pedestals.
Tools and procedures for reassembling P30 bearing pedestals.
Final testing and adjustments for P3 units, checking for free rotation and proper seal function.
Diagnose reasons for pump failure, including speed, priming, head, suction lift, and rotation.
Identify causes for reduced pump capacity, such as speed, suction lift, NPSH, or mechanical damage.
Troubleshoot low pressure issues, including speed, air/vapor in liquid, and mechanical wear.
Address issues causing prime loss, like suction line leaks, air ingress, or insufficient NPSH.
Investigate high power draw due to speed, discharge head, specific gravity, viscosity, or damage.
Diagnose vibration or noise from misalignment, insecure mounting, piping load, or damage.
Identify mechanical issues like bearing life, pump lock-up, leaks, or damage from improper assembly.
Troubleshoot seal leaks caused by worn components, improper installation, or shaft pitting.
Information on obtaining repair parts through authorized representatives or distributors.
Guidance on obtaining repair service for MTH pumps, including factory returns.
Procedures for making warranty claims, including necessary details and return authorization.
Service for components not manufactured by MTH should be obtained from their respective manufacturers.
General| Series | M50 |
|---|---|
| Category | Water Pump |
| Voltage | 230/460V |
| Insulation Class | F |
| Model | M50 SERIES |
| Material | Cast Iron |
| Inlet Size | 2 inch |
| Outlet Size | 2 inch |
| Phase | 3 Phase |
| Power Supply | Electric |
To Next Page