Whirlpool AAV4000AW manual Installing Thrust Bearing, Base Replacement

Models: AAV4000AW

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Disassembly Procedures

!WARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing.

NOTE: This is a dry operating Brake assembly. Make sure no oil or grease comes in contact with the mating surfaces of the Brake Lining, Brake Stater, or Snubber.

3.Be sure to wash hands to remove any dirt or grease before handling Snubber. Clean new Snubber with alcohol before installing. When installing new Snubber, insure Snubber is centered.

4.Install Stator by locating the dimple on the Stator, and tightening the screw next to the dimple first.

Dimple

5.Next tighten the screw 180 degrees across from the dimple. Tighten remaining screws. Remove brake tool.

6.Reinstall Drive Pulley, Cam, Washer, Retaining Ring, and Dust Cap.

Drive Pulley hub travels upward, it compresses the Brake Spring and moves the Rotor and Lining assembly up the drive tube disengaging it from the Stator. The Transmis- sion is now free to spin.

Splines in the Brake Rotor hub mesh with splines on the drive tube end to provide positive vertical movement for the Rotor and Lining assembly. The splines are greased for ease of movement.

Installing Thrust Bearing

1.Thrust Bearing and Spacer are to be assembled as shown.

2.Apply a thin layer of grease between the contacting surfaces of the Lower Cam and the Drive Pulley.

Grease

The Brake assembly, as well as the Snubber, is held in

Base Replacement

1. Disconnect power supply to unit.

position by the Brake Stator which is secured to the

 

 

2. Remove Drain Pump and Belt, see “Drain Pump/Belt

underside of the Suspension Housing by six (6)

 

 

 

Removal” procedure.

mounting screws.

 

 

 

 

 

Spring pressure forces the Rotor and Lining assembly

NOTE: There may be water remaining in the hose from

 

the last cycle.

down on the Brake Stator and prevents the Transmission

 

 

 

from turning during agitation.

 

3. Lift Top Cover, see “Top Cover Removal” procedure.

 

 

As stated previously, the Drive Pulley and Cams provide

4.

Remove Front Panel, see “Front Panel Removal”

a cam action which raises the Drive Pulley during the

 

 

procedure.

counterclockwise (spin) direction of the Motor. When the

5.

Remove Motor, see “Motor Removal” procedure.

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©2005 Maytag Services

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Whirlpool AAV4000AW manual Installing Thrust Bearing, Base Replacement