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General| Drive | Electric Motor |
|---|---|
| Series | G Series |
| Manufacturer | Milton Roy |
| Category | Water Pump |
| Type | Diaphragm Metering Pump |
| Adjustability | Manual or Automatic |
| Applications | Water Treatment |
| Materials | Stainless steel, PTFE, PVDF |
Procedure for checking and storing the pump upon receipt to prevent damage and ensure preservation.
Overview of the GM pump's components: motor, mechanical assembly, and liquid end.
Details the variable eccentric mechanism and diaphragm function for suction and discharge phases.
Guidance on piping layout, suction, and discharge circuits, including safety valve and priming valve.
Instructions for setting up a drip collection system to manage leaks from the liquid end.
Recommendations for securing the pump horizontally and ensuring adequate space for servicing.
Details on connecting the motor for single-phase and three-phase power supplies, including earthing precautions.
Pre-start checks for chemicals, pump securing, pipe fittings, valves, and setting capacity to zero.
Steps for initial pump operation, checking for noise, adjusting capacity, and priming.
Troubleshooting common motor and flow rate issues encountered during initial pump startup.
General advice on servicing, including washer reinstallation and O-ring cleaning/lubrication.
Schedule of checks and maintenance tasks with recommended frequencies and see references.
Procedures for checking pump capacity and tracing causes of common motor and mechanical part failures.
Information required for ordering spare parts, including pump details and part references.
List of wear parts (balls, seats, diaphragm) recommended for annual overhaul and replacement intervals.
Steps for servicing the foot valve and valve assemblies as part of the overhaul process.
List of additional spare parts for corrective maintenance, beyond those for annual overhaul.
Detailed steps for disassembling and reassembling the pump's stroke adjustment knob.
Detailed steps for disassembling and reassembling the pump's motor unit.
Procedures for taking apart and putting back together the pump's mechanical assembly.
Steps for disassembling and reassembling the secondary diaphragm of the pump.
Detailed steps for dismantling and assembling the displacement chamber, including tools and torques.
Continues the procedures for displacement chamber assembly/dismantling, detailing steps and tools.
Instructions for safely filling and draining the hydraulic oil in the pump system.
Procedures for assembling and dismantling the pump's valve, including oil filling and priming.
Steps for disassembling and assembling the liquid end, including check valves and startup.
Instructions for assembling and disassembling the CR-VR liquid end assembly.
Procedure for removing, cleaning, and refitting the check valve assemblies.
