Moyer Diebel MH-60M2, MH-6NM2, MH-6LM2 technical manual Mechanical Service, Pump Seal Replacement

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BASIC SERVICE

MECHANICAL SERVICE

Pump Seal Replacement

1.Disconnect the power to the machine at the main breaker panel or fuse box.

2.Drain the machine.

3.Remove the front and side panels.

4.Remove drain plug on the pump volute and drain the pump.

5.Remove the pump hoses.

6.Disconnect the wires to the motor at the motor junction box.

7.Unbolt motor from machine base and remove the pump/motor assembly.

8.Remove bolts on volute and carefully remove from the pump flange.

9.Lock the motor shaft with a wrench or pliers. The back of motor shaft is square.

10.Turn the impeller counter-clockwise to remove from shaft (right hand threads).

11.Remove any shims or spacers and save for reassembly.

12.Remove the old seal and discard.

13.Check seal seat in the pump flange and clean thoroughly.

14.Press rubber seal/ceramic portion of seal assembly into the pump flange. Use a water soluble lubricant. Be careful to keep the ceramic clean.

15.Install the rotating part of the seal on the shaft with the graphite surface toward the ceramic. Use a water soluble lubricant on the rubber seal part only (not the graphite).

16.Reinstall spacers, impeller, and new flange gasket. Reinstall bolts.

17.Reinstall the pump/motor assembly and reconnect the pump hoses.

18.Fill the dishwasher with water.

19.Check motor rotation by bump starting motor.

Correct motor shaft rotation is clockwise when viewing motor from the rear.

20.Test run and check for leaks.

Pump Flange

Gaskets

Impeller

Volute

 

Washer

Seal Assy.

Water

Slinger

Backing Plate

Backing Plate

Mtg. Nut

Bolt

(B)

Nut

Plug

Bolt

(A)

Figure 21

Pump Seal Replacement

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Contents MH-6NM2 MH-6LM2Moyer Diebel, US Revision History Contents List of Figures Limited Warranty Introduction Welcome to Moyer DiebelStandard Equipment includes AccessoriesOptions MH-60 only Electrical Power Requirements Installation Unpack the dishwasherPlacement for Corner Operation Installation Electrical ConnectionsHinged Control Panel Plumbing Connections Water ConnectionsDrain Connections VentilationChemical Dispenser Signal Terminal Block Chemical ConnectionsChemical Connections Install the Scrap Screens Drain-Overflow Assembly Complete the installationInitial START-UP Check Wash Water Temperature Initial START-UPInitial START-UP Check Final Rinse Water Temperature Check Final Rinse Water PressureComplete the initial start-up Extended Wash OperationDrain the dishwasher Initial START-UP Operation Summary Action ResultCleaning Cleaning ScheduleDeliming Troubleshooting Condition Cause SolutionTroubleshooting Basic Service TroubleshootingElectrical Service Motor OverloadsCycle Timer Electrical Service TimersFill Timer Configuration a Electrical Service Motor Connections Mechanical Service Pump Seal ReplacementReplacement Parts Door Assemblies and Panels Door Assemblies and Panels Part Part Description Qty Item NoDoor Safety Switch and Instrument Panel Door Safety Switch Instrument Panel 1112 Door Handle Assembly and Springs Track Assembly Corner configuration shown Track Assembly Model MH-60 Fill Piping Assembly MH-6L MH-6N, MH-6L Wash/Rinse Spray Arm Assembly WASH/RINSE Spray ARM Assembly MH-60, MH-6N, MH-6L Wash/Rinse Spray Piping Assembly WASH/RINSE Spray Piping Assembly Scrap Screens and Drain Assembly Scrap Screens and Drain Assembly Pump Assembly Pump Assembly Wash Tank Heater and Thermostats Wash Tank Heater and Thermostats 0509185MH-60 Only Electric Booster Assembly MH-60 only Electric Booster Assembly 1419 1520 Control Cabinet Dishracks Dishracks 101285Electrical Schematics Diagram State End of Cycle Power- Off Door- Closed Timer Chart

MH-6LM2, MH-60M2, MH-6NM2 specifications

Moyer Diebel has made a significant impact in the commercial dishwashing sector with its innovative models such as the MH-6NM2, MH-60M2, and MH-6LM2. These commercial dishwashers cater to a range of operational needs, ensuring high efficiency, reliability, and ease of use, vital for any busy kitchen environment.

The MH-6NM2 model serves as an exemplary choice for establishments requiring a high-capacity solution. This dishwasher boasts a unique design that allows for rapid wash cycles, ensuring dishes and utensils are cleaned within minutes. With a large wash chamber, the MH-6NM2 is capable of accommodating a variety of dish types, including plates, pots, and pans. Its high-temperature wash feature not only guarantees sanitation but also enhances drying efficiency. Additionally, the model is equipped with an advanced rinse system that minimizes water usage while maximizing cleaning results, making it an eco-friendly choice for modern kitchens.

Moving to the MH-60M2, this model stands out with its impressive versatility. Designed for medium to large operations, it features robust construction and an array of programmable cycle options. The MH-60M2 includes user-friendly controls and a digital display that simplifies operation and monitoring. Its innovative filtration system significantly reduces maintenance needs by ensuring that food particles do not hinder performance. The machine is also designed to operate quietly, which is an essential feature in busy dining environments where noise control is paramount.

The MH-6LM2 is engineered to meet the demands of high-volume usage in delicate environments, such as fine dining restaurants. This model combines efficiency with advanced cleaning technology, allowing for gentle handling of glassware while providing exceptional cleaning results. The MH-6LM2's energy-efficient design not only cuts down on utility bills but also supports sustainability efforts by reducing water consumption. Its built-in self-diagnostics capabilities allow for easy troubleshooting and maintenance, reducing downtime and ensuring that the kitchen runs smoothly.

In summary, Moyer Diebel's MH-6NM2, MH-60M2, and MH-6LM2 models reflect the company’s commitment to excellence in commercial dishwashing. With advanced technologies, user-friendly features, and a focus on efficiency and sustainability, these machines are well-suited for various commercial applications, providing reliable performance that meets the high demands of any kitchen.
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