Question about Craftsman Air Tools & Compressors

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Sears compressor Model 919.155730 flywheel/motor shaft not secure

My compressor electric motor spins but the flywheel isn't secured to the motor shaft. I know there's a set screw but it won't hold tight to the motor shaft even though I've used the proper allen wrench.

Any ideas how to solve this?

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  • Anonymous Mar 13, 2014

    how do you remove the flywheel from a compressor pump. Do you need to use a puller or can you just loosen the set screw.

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  • 13 Answers

It could be that you are missing a shaft key, look to see if there is a groove in the shaft and in the flywheel if so there should be a key in this groove to keep the shaft from slipping.
Your local hardware store should have one. You will need to Measure the keyway width and height to buy key stock of those dimensions then cut off the length you need.
If it is a Woodruff or Half Moon key Sears compressor Model 919.155730 flywheel/motor s - 2ea7913.jpg it might be harder to find the right one but a good hardware can do it.
Hope this helps.

Posted on May 22, 2009

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This assumes that you have a basic Kenmore / Whirlpool top load, direct drive, neutral drain (it doesn't spin until the pump removes most of the water) machine.

First, see the Sears parts site for your washer:

http://www.searspartsdirect.com/partsdirect/getModel!retrieve.pd?modelNumber=110.26732500&pathTaken=partSearch

and you'll see a list of major sub-components with diagrams and parts.

I'm assuming that you mean that the washer won.t spin with a load but will without one.

Two possibilities:

Kenmore / Whirlpool top load, direct drive washers use a "Motor Coupler" between the motor and transmission.

It's used as a fail safe device and consists of three parts.

Two of the parts are the same, plastic units with three prongs that fit on one of the motor output shafts and the other on the transmission input shaft. Between them is a rubber piece with six holes.

The power from the motor is transmitted through the rubber piece to the transmission.

The other shaft on the motor directly drives the pump.

If the motor coupler is broken, or worn, the motor may not be able to send full power to the transmission for agitating or spinning.

See the following for how to remove the cabinet, pump, motor and motor mounting plate to inspect and replace the motor coupler.

http://www.american-appliance.com/catalog/newsdesk_info.php?newsPath=16&newsdesk_id=135

If the coupler looks damaged, it's a relatively easy fix.

Pry the plastic pieces from the motor and transmission. Some people use a claw hammer but I've found that using a small (6 inch) pry bar works well.

Carefully fit the plastic pieces over the motor and transmission shafts and press them in place (Use a 1/2" of larger socket to put pressure equally around the pieces.

Put the rubber piece on the transmission plastic piece.

Replace the motor mounting plate.

Carefully line up the plastic prongs on the motor based plastic piece to the three un-used holes in the rubber piece. If they don't line up right, the coupler could be damaged.

Mount the motor, don't forget the two screws, put the pump back on the motor and use its' clips.

Put the cabinet back on, don't forget to plug the lid switch back in and re-mount the console.


If the motor coupler is OK, the problem could be the clutch:

Sears has a replacement clutch band kit.

See the following for how to pull the pump, motor and transmission.

You DON'T HAVE TO PULL THE AGITATORS OR TUB.

http://www.american-appliance.com/catalog/newsdesk_info.php?newsPath=16&newsdesk_id=137&osCsid=65fc1c013d6130868b14c8bb4baf7bfd

Also see the Whirlpool / kenmore service manual for these washers.

https://secured.whirlpool.com/Service/SrvTechAdm.nsf/2cd44500d572193285256a45004fd9d6/f7e2147fa98b28cf85257122007475cb/$FILE/L-55.pdf

Both the Motor coupler (available from most appliance parts stores) and the clutch band kit are relatively inexpensive.

See the Following Whirlpool parts list for alternatives to the Sears part numbers.

http://shared.whirlpoolcorp.com/assets/pdfs/literature/Repair%20Part%20List%20-%20W10114743.pdf

As an aside, the long pole (agitator shaft) shouldn't turn if you hold it when the washer is in spin mode. Basically, the oil "friction" within the gearcase is turning the shaft when in spin mode and if you hold it, it shouldn't turn.

When the washer is in spin mode, the "drive tube" which turns the drum is driven by the clutch.

Also see the following for how these gearcases work and how the agitator shaft is released by the "agitate cams" when in spin mode.

https://secured.whirlpool.com/Service/SrvTechAdm.nsf/2cd44500d572193285256a45004fd9d6/2550f737b3129b0c85256b0600504738/$FILE/787772%20%234.pdf



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This assumes that you have a basic Kenmore / Whirlpool top load, direct drive, neutral drain (it doesn't spin until the pump removes most of the water) machine.

First, see the Sears parts site for your washer:
http://www.searspartsdirect.com/partsdirect/index.action

Enter your model number (###.#######) and you'll see a list of major sub-components with diagrams and parts.

TWO possibilities since it will spin:

Kenmore / Whirlpool top load, direct drive washers use a "Motor Coupler" between the motor and transmission.

It's used as a fail safe device and consists of three parts.

Two of the parts are the same, plastic units with three prongs that fit on one of the motor output shafts and the other on the transmission input shaft. Between them is a rubber piece with six holes.

The power from the motor is transmitted through the rubber piece to the transmission.

The other shaft on the motor directly drives the pump.

If the motor coupler is broken, or worn, the motor may not be able to send full power to the transmission for agitating or spinning.

See the following for how to remove the cabinet, pump, motor and motor mounting plate to inspect and replace the motor coupler.

http://www.american-appliance.com/catalog/newsdesk_info.php?newsPath=16&newsdesk_id=137

If the coupler looks damaged, it's a relatively easy fix.

Pry the plastic pieces from the motor and transmission. Some people use a claw hammer but I've found that using a small (6 inch) pry bar works well.

Carefully fit the plastic pieces over the motor and transmission shafts and press them in place (Use a 1/2" of larger socket to put pressure equally around the pieces.

Put the rubber piece on the transmission plastic piece.

Replace the motor mounting plate.

Carefully line up the plastic prongs on the motor based plastic piece to the three un-used holes in the rubber piece. If they don't line up right, the coupler could be damaged.

Mount the motor, don't forget the two screws, put the pump back on the motor and use its' clips.

Put the cabinet back on, don't forget to plug the lid switch back in and re-mount the console.


If the motor coupler is OK, the problem could be the clutch:

Sears has a replacement clutch band kit.

See the following for how to pull the pump, motor and transmission.

You DON'T HAVE TO PULL THE AGITATORS OR TUB.

http://www.american-appliance.com/catalog/newsdesk_info.php?newsPath=16&newsdesk_id=137&osCsid=65fc1c013d6130868b14c8bb4baf7bfd

Also see the Whirlpool / kenmore service manual for these washers.

https://secured.whirlpool.com/Service/SrvTechAdm.nsf/2cd44500d572193285256a45004fd9d6/f7e2147fa98b28cf85257122007475cb/$FILE/L-55.pdf

Both the Motor coupler (available from most appliance parts stores) and the clutch band kit are relatively inexpensive.

See the Following Whirlpool parts list for alternatives to the Sears part numbers.

http://shared.whirlpoolcorp.com/assets/pdfs/literature/Repair%20Part%20List%20-%20W10114743.pdf

May 08, 2010 | Kenmore Washing Machines

1 Answer

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First, see the Sears parts site for your washer:

http://www.searspartsdirect.com/partsdirect/getModel!retrieve.pd?pop=true&modelNumber=110.29852992

Also see the Whirlpool / Kenmore installation and maintenance manual for this type washer.

https://secured.whirlpool.com/Service/SrvTechAdm.nsf/2cd44500d572193285256a45004fd9d6/f7e2147fa98b28cf85257122007475cb/$FILE/L-55.pdf

If it only spins with small loads, it is possible that the Motor Coupler is broken. This coupler has two plastic / 3 pronged pieces that mount on the motor and transmission shafts with a rubber 6 hole piece between them. It is designed as a fail safe.

If the holes on the rubber piece have worn, the motor may not be able to get enough power to the transmission to spin it with heavier loads.

It's also possible that the clutch has worn.

Please see this document on how to pull the cabinet and inspect the clutch.

http://www.american-appliance.com/catalog/newsdesk_info.php?newsPath=16&newsdesk_id=137


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1 Answer

Craftsman air compressor bearing flywheel


Your local hardware store should have one. The model number will probably not help; you will need to measure the keyway width and height to buy key stock of those dimensions then cut off the length you need.
Hope this helps.

May 21, 2009 | Craftsman Air Tools & Compressors

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