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Mandrell nout the mandrel nut on top of the pulley is stuck on a yth2146k. Ant suggestions on how to loosen?

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  • 33 Answers

Using a copper drift and a hammer place drift on nut or shaft and give it a good welt. maybe need a couple of belts if that fails you may need to use heat

Posted on Nov 30, 2013

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Posted on Jan 02, 2017

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SOURCE: I had to get a new mandrel housing which goes

You have to remove the nut on top of the pulley. With the pulley off, the shaft will slide out the bottom with the blade. Don't forget when you put the pulley back on, the washer/spacer goes BETWEEN the pully and housing, NOT on top of the pulley. Dwain

Posted on Jun 08, 2009

  • 112 Answers

SOURCE: mandrel chews pulley

Are you sure the spindle is not bent and also are you balancing the blades when sharpening. Other then that make sure bolts are tight on the mandrel. With the deck off and standing up spin the blades and watch center of balde to see if something is bent. Also watch pulley on the other side to see if its bent.

Posted on Jul 25, 2009

  • 95 Answers

SOURCE: MY husqvarna yth2148 left side deck mandrel and

Did it break or overheat? There is a small spacer washer that goes under the pulley between the pulley and bearing, if that washer was missing or got ground up on the first one and you didn't notice it the next pulley would rub hard against the top of the mandrel and fail.

Posted on Jul 30, 2009

  • 138 Answers

SOURCE: mandrel ruins pulley

there are only a couple of things that could be causing this: either the spacer [looks like a thick washer] is put on above the pulley [it goes UNDER the pulley], or the nut holding the pulley on is not being tightened enough

Posted on Aug 21, 2009

mowerman1857
  • 389 Answers

SOURCE: How can I un-bolt the Mandrel Pulley from the shaft?

If you have the deck removed from under the tractor you can try putting the blade back on tight if you have removed it and then use the blade to keep the mandrel shaft from turning. It takes quite a bit of torque to break the nut loose on the pulley so a socket and ratchet or breaker bar is the best thing to use. Other than that there is no "special" tool required

Posted on Sep 26, 2009

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I have a dual blade deck on a Craftman's 15.5 OHC rider mower that needs to be greased. The blades make a loud racket when they are engaged. Any idea where to grease the mowing deck?


look closely and you will see the blades under the deck are physically bolted to the same gizmos which are spun by a belt on top the deck. these gizmos are called mandrels, and that is where the lube has to go. sometimes the top of the mandrel has a grease fitting and you may have to pull the deck safety shields off to get to them, and sometimes there are grease fittings on the bottom of the mandrels and you have to pull the deck off and turn it over to get to them. Then sometimes they are "lubed for life" with no grease fittings and you have to go to a small engine repair shop and buy new ones. if you get the deck belt off and there is any slop in the mandrel, then you are too late for grease and new mandrels are in order. they cost less than 50 bucks apiece. generally remove the deck, the blades, the belt, the pulleys, and a few bolts and nuts and reinstall new in reverse order. replace all the belts while you are at it.

Aug 07, 2011 | Craftsman Garden

1 Answer

How to remove shaft assembly from mandrel housing of a husqvarna yth2348


It's much easier to do on the tractor.
1. Leave deck installed.
2. Jack tractor up and lower deck.
3. Run a heavy wire through the mandrel pulley's tie down hole.
4. Raise deck and tie wire around the deck.
5. Lower deck and remove top nut.
6. Raise deck and remove shaft.
You can modify this procedure to loose the nut if you don't have a jack and remove it once the deck is off. Retorque nut to 35 ft. lbs during install.

Apr 25, 2011 | Husqvarna Riding Lawn Mower Yth24v48ls 48...

1 Answer

Replaced the mandrel on my Craftsman Model 917.273640 following the schematics on Parts Direct. When you put the pulley on the splines, there is too much play. It doesn't appear to tighten down as far as...


Yes a second washer would be acceptable as long as the splines on the shaft are at or slightly above the top of the pulley but it shouldn't be needed as long as the nut is torqued tight enough. Make sure the pulley is in good shape and the nut gets torqued down properly or the splines will tear up. There should have been a set of instructions with the new mandrel that gave the torque spec. Normally I just use a 1/2 inch drive craftsman air impact gun set to full power with about 100# air pressure. It is a rather large lock nut so it takes a lot of torque. Hope this helps. Please vote yes, thank you.

Nov 02, 2010 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

How do I get the bolt off the top of the housing assembly in order to replace the mandrel #137646? Besides a wrench what other tool do I need to accomplish this? RIght now the bolt won't loosen because I...


If your blade will secure on the star, just jam the blade with a block of wood and proceed. If you have ruined your star, remove the three bolts that secure the mandrel housing, allowing the pulley to drop down to the deck (this requires some room beneath the deck, so get the whole thing off the ground first) and secure the pulley with heavy wire to the deck. There are a couple holes in the pulley and those bolt holes in the deck. Twist tight. The nut is threaded normally (counter clockwise to remove). A socket with a long handle does the trick after you use a few drops of break free oil.

Sep 06, 2010 | Craftsman Garden

1 Answer

How can I un-bolt the Mandrel Pulley from the shaft?


If you have the deck removed from under the tractor you can try putting the blade back on tight if you have removed it and then use the blade to keep the mandrel shaft from turning. It takes quite a bit of torque to break the nut loose on the pulley so a socket and ratchet or breaker bar is the best thing to use. Other than that there is no "special" tool required

Sep 26, 2009 | Husqvarna Lawn Tractor 48" Deck, 23 Hp,...

1 Answer

MY husqvarna yth2148 left side deck mandrel and pulley failed. I bought a new mandrel and pulley and installed same. Mowed the lawn twice and it failed again. any suggestions


Did it break or overheat? There is a small spacer washer that goes under the pulley between the pulley and bearing, if that washer was missing or got ground up on the first one and you didn't notice it the next pulley would rub hard against the top of the mandrel and fail.

Jul 29, 2009 | Husqvarna Lawn Tractor 48" Deck, 23 Hp,...

1 Answer

Mandrel ruins pulley


there are only a couple of things that could be causing this: either the spacer [looks like a thick washer] is put on above the pulley [it goes UNDER the pulley], or the nut holding the pulley on is not being tightened enough

Jun 24, 2009 | Craftsman 42 in. Deck 19.5hp Lawn Tractor

2 Answers

Craftsman mandrel replacement::?????HELP


You dont have to drop the deck. Remove the belt first then hold the blade in place so you can loosen the nut on top of the pulley. after you remove the pully then remove the blade. There are 3 bolts holding the mandrel in place remove the bolts. Then pull the mandrel out from underneath the mower deck. There is a shroud that will come loose with it or it may stick from accumilated grass regardless it needs to go back during reassembly. When putting it back together the 3 bolts are usually self tapping into the new aluminum mandrel. Its much easier to put these in and take them out before you install the new mandrel as the bolts cut the threads.

Hope this helps

Brent

Jun 23, 2009 | Craftsman 26 hp 54 in. Deck Deluxe Yard...

2 Answers

Dremel rotary tool removing shaft of attachment


They can be stubborn. I would take padded pliers to the nut, and not focus on removing the shaft until the nut is loosened. Be careful not to damage the nut. You may also try spraying a light lubricate at the base of the nut and hold the dremel upside down so that some could possible get behind the nut.

Sep 27, 2008 | Tools & Hardware - Others

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