MDB8959AWW3

Generic Dishwasher Drain Pump Replacement Instruction Manual

Model: MDB8959AWW3 and compatible models

1. Introduction

This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of the Generic Dishwasher Drain Pump Replacement. This component is designed to replace the original drain pump in various dishwasher models from Maytag, Whirlpool, KitchenAid, Crosley, Magic Chef, and Inglis. Please read this manual thoroughly before attempting any installation or repair to ensure safety and proper function.

2. Safety Information

3. Product Overview

The dishwasher drain pump is a critical component responsible for expelling water from the dishwasher tub at the end of a wash cycle. This replacement pump is designed for durability and efficient performance.

Dishwasher Drain Pump, side view with yellow impeller

Figure 3.1: Side view of the drain pump, showing the motor housing and the yellow impeller assembly.

Dishwasher Drain Pump, angled view

Figure 3.2: Angled view of the drain pump, highlighting the electrical connections and mounting points.

Dishwasher Drain Pump, top-down view

Figure 3.3: Top-down view of the drain pump, showing the impeller and the water inlet/outlet ports.

Dishwasher Drain Pump, bottom view

Figure 3.4: Bottom view of the drain pump, illustrating the motor assembly and base.

Dishwasher Drain Pump, close-up of impeller

Figure 3.5: Close-up view of the yellow impeller, responsible for moving water.

4. Compatibility

This drain pump replacement is compatible with a wide range of dishwasher models. Please verify your dishwasher's model number against the list below to ensure proper fit.

Compatible Maytag Models:

Compatible Crosley Models:

Compatible KitchenAid Models:

Compatible Magic Chef Models:

Compatible Inglis Models:

5. Setup and Installation

Replacing a dishwasher drain pump typically involves accessing the pump from the bottom or front of the dishwasher. The exact steps may vary slightly depending on your specific dishwasher model. Always refer to your dishwasher's service manual for model-specific instructions.

  1. Prepare for Installation:
    • Disconnect the dishwasher from its electrical power supply.
    • Turn off the water supply to the dishwasher.
    • Carefully pull the dishwasher out from its cabinet enclosure.
    • Lay the dishwasher on its back or side to access the bottom components, placing towels underneath to catch any water.
  2. Locate the Old Drain Pump: The drain pump is usually located at the bottom of the dishwasher, often connected to the drain hose and the wash motor assembly.
  3. Disconnect Wiring and Hoses:
    • Carefully disconnect the electrical wiring harness from the old pump. Note the orientation for reinstallation.
    • Remove the clamps securing the drain hoses to the pump and detach the hoses. Be prepared for residual water.
  4. Remove the Old Pump: Unfasten any screws, clips, or mounting brackets holding the old drain pump in place. Remove the pump.
  5. Install the New Drain Pump:
    • Position the new drain pump in the same location as the old one.
    • Secure it with the appropriate screws, clips, or brackets.
    • Reconnect the drain hoses, ensuring they are properly seated and secured with clamps to prevent leaks.
    • Reconnect the electrical wiring harness to the new pump, matching the original connections.
  6. Test and Reassemble:
    • Carefully return the dishwasher to its upright position.
    • Reconnect the water supply and check for leaks.
    • Reconnect the electrical power supply.
    • Run a short wash cycle to test the new drain pump for proper operation and to check for any leaks.
    • Once confirmed operational and leak-free, slide the dishwasher back into its cabinet enclosure.

6. Operating Instructions

The drain pump operates automatically as part of your dishwasher's wash cycle. No manual intervention is required for its operation. Ensure your dishwasher is loaded correctly and detergent is added as per your dishwasher's user manual. The pump will activate during the drain phases of the cycle to remove wastewater.

7. Maintenance

Regular maintenance can extend the life of your dishwasher and its components, including the drain pump.

8. Troubleshooting

If your dishwasher is experiencing draining issues, consult the following troubleshooting guide before considering further repairs.

ProblemPossible CauseSolution
Dishwasher not draining completely
  • Clogged filter
  • Kinked or blocked drain hose
  • Air gap blockage (if applicable)
  • Faulty drain pump (impeller obstruction or motor failure)
  • Clean the dishwasher filter.
  • Check and clear the drain hose.
  • Clear any air gap blockage.
  • Inspect the drain pump for obstructions; if motor is faulty, replacement is needed.
Loud noise during draining
  • Debris in the drain pump impeller
  • Worn pump bearings
  • Disconnect power and inspect the pump impeller for foreign objects.
  • If bearings are worn, the pump may need replacement.
Dishwasher leaks during drain cycle
  • Loose hose connections
  • Cracked pump housing
  • Damaged pump seal
  • Tighten hose clamps.
  • Inspect pump housing for cracks; replace pump if damaged.
  • Check and replace pump seal if necessary.

If these steps do not resolve the issue, professional service may be required.

9. Specifications

FeatureDetail
BrandGeneric
Item Model NumberMDB8959AWW3
Power SourceCorded Electric
Included ComponentsDishwasher Drain Pump Replacement
Package DimensionsApproximately 1 x 1 x 1 inches (Note: This may be a placeholder dimension)
Manufacturergeneric

10. Warranty and Support

For warranty information and technical support, please refer to the documentation provided with your purchase or contact the seller directly. Specific warranty terms and support channels are typically provided by the retailer or manufacturer at the time of purchase.

Documents - MDB8959AWW3 – MDB8959AWW3
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