Question about Craftsman 24 Hp 48" Deck Yard Tractor

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Ok so I bought a used gt 5000, the pto clutch went bad I found/bought a replacement but for some reason when I re-install tighten bolt on shaft it locks up the motor, when I loosen the bolt to get the motor to turn over/run the bolt holding the clutch and drive pulleys backs out and falls off. How do I fix this? Help I've tried everything I can think of

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  • kypeels2 May 23, 2011

    Hey Kelly thanks for the answer sorry it took me a little to get back, the last time it fell off it boogered up the bolt and being the weekend had no way to replace. Put everything back together and checked clearance as you suggested it appears good using a .020 feeler gauge. I tightened down the bolt holding the clutch and drive pulleys it measures ok but now the clutch and drive pulley are to tight for the motor to turn? Now what do I do?

  • kypeels2 May 24, 2011

    Ok so I did measure the gap with everything installed, no it's not a new clutch it's used but I know it's good for a fact, i bought one new one and the shop ordered the wrong part even after i explained it was not the original engine, it cost 230.00 for that part and they wouldnt exchange for me, said i had to pay upfront to order the correct part and pay shipping and restocking fees. I had the part that came off of it with me but they didnt listen to me and cross reference the numbers. I have checked and the end of the shaft is not boogered up,

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The PTO clutch is to be installed so that when you tighten it down the gap between the PTO magnet and the clutch plate os 0.020. If you install it with no gap you will have the symptom you describe.

Locate the (3 ea) PTO adjustment slots. The adjustment slots are long, thin, rectangular openings in the brake plate that allow the maintainer to measure the gap between the rotor (the part that spins) and the armature (the part bolted to the engine).

Insert the feeler gauge into each of the PTO adjustment slots to check the distance between the rotor and armature faces. This will allow the maintainer to get an idea of the adjustment needed for the PTO. You may not be able to get a feeler gage into the slot until you adjust the air gap.
Hold the feeler gauge in the first slot and tighten the adjustment nut until there is no gap left between the rotor and armature faces. Do not tighten the adjustment nut too far---the faces should just touch the feeler gauge. Check the other 2 adjustment measuring slots for the proper gap.

THE 3 locking NUTS your going to losen adjust have springs under the clutch plate bracket

This gap should be checked every 200 hours.

From what I am reading you are backing the pulley nut vs adjusting the air gap.

Here is a video that may help you:
Thanks for choosing FixYa,
Kelly

Posted on May 22, 2011

  • Kelly
    Kelly May 24, 2011

    You have a NEW PTO clutch right? It is a bot baffleing because you said you have the 0.020 gap. You have to measure this gap while the PTO is intalled. Checking the gap while uninstalled is useless as you are already seeing the end result. You have to do the 0.020 check after you have the pulley nut tight. The only thing I can think of is maybe the engine crankshaft is buggered a bit and grabbing the pulley even with the clutch disengaged. IF you have the 0.020 gap installed... and the engine is locked to the pulley I am beginning to wonder if maybe they gave you the wrong PTO clutch.



    The clutch PN should be 179335 for the Kohler engine and runs about $219.00 retail! .



    Also make sure that you have the correct parts for items 41, 42 and 43 this link:

    http://www.searspartsdirect.com/partsdir...



    Also note the installed position of the pulley (item12).



    Let me know how it goes.



    Kelly

  • Kelly
    Kelly May 24, 2011

    This may sound way too easy.. but have your tried flipping the pulley over? Look at the pulley one side has a raised collar. It sounds like your doing everything correctly. I am a bit concerned that maybe the washer under the LONG bolt head may not be the correct washer also.



    Kelly

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Only after i got stuck in mud did blades on snapper lt 200 42 rider so working belts are tight must be sensor insert seat went out or went bad


Blades would not turn after I got stuck in mud. Electric clutch?

  • Turn the engine off and remove the key.
  • Check for physical damage; anything look bent?
  • Spin the pulley on the bottom of the clutch. Does it spin freely?
  • There could be mud or grit stuck in the clutch.
  • There is a drive key between the clutch and the shaft. Has this key been sheared? It's possible the clutch was burnt out during the mud incidence.
PTO Clutch will not engage or stay engaged.
There is a very fine discussion on evaluating electric clutches at this site:
http://www.messicks.com/Articles/FixingElectricClutch.aspx

My JD tech manual, which covers the entire LA 100 series, agrees with the electrical specifications. It states that the Electric PTO Clutch should show the following:
  • Resistance 3.7 ohms
  • Current Draw 3.25 amps.
  • It does not give the air gap.
It does include a note to check the PTO Clutch Key for damage or if missing. So there is a drive key between the PTO Clutch and the shaft. Additionally, it recommends checking the tightness of the cap screw. That's the screw or bolt that holds the clutch on the shaft.
  • Cap Screw torque 55 lb-ft (75 N.m).
Fixing Electric Clutches

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How to change out an electric clutch on a cub cadet zero turn RZT50?


Removal is simple if you have access to an impact wrench so you can the center retaining bolt.

When re-installing anti-seize compound needs to used on the crankshaft so the new clutch assembly doesn't seize on the shaft. To tighten the center bolt you must hold the flywheel in place by blocking it. This center bolt must be torqued to 45-55 ft fts. Also the new pto clutch needs burnishing in. Most new clutches come with instruction on this procedure.

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On a rzt 42. The pto clutch bolt loosens and clutch falls off with use of 10 minutes or less. How do I fix?


The PTO clutch has a bolt that goes through it and into the vertical shaft of the engine. MANY of the PTO clutches have a large spacing washer that goes on before the PTO clutch is slipped onto the shaft. If the washer was lost when the clutch was changed, the bolt might be bottoming out in the shaft rather than tightening on the threads like it should. I'd get a diagram for your model and make sure all parts are in place.

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Remove clutch


I'm assuming you're referring to the PTO clutch on the bottom of the engine shaft. There's a 5/8" bolt that goes up through the clutch into the shaft. Remove it, but then turn it back in about 10 turns and use a wheel puller to start getting it off. You might have to c-clamp the PTO/clutch top and bottom together to get both pieces off. Once the assembly starts coming down the shaft, you can probably remove the wheel puller, remove the bolt completely, and pull the PTO/Clutch off by hand. Be sure to unplug the PTO/clutch before removing it. Also, many of these have a spacing washer on top of the PTO/Clutch that comes off in the process. BE SURE to put it back on before replacing the PTO/Clutch. DO NOT hit anything with a hammer to try to break it loose - you'll most likely NOT get the part off and most probably WILL damage necessary parts.

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NO power to pto craftsman gt 5000


could be a clutch switch look at sears parts online for the location

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I have a Craftsman GT 5000 Garden Tractor, 25 HP, 48" mower. I recently changed the mower belt and it was working fine for about 2 weeks. The last time I mowed, the mower blades suddenly stopped and I...


Depending on your engine.. Briggs and Stratton or Kohler there are 2 different seat switches that are used to power the PTO clutch. The seat switch can cause the PTO clutch to disengage anytime there is not at least 70 lbs in the seat.

The PTO drive wiring has a 30 amp fuse in it. If by chance a stick went through the belt and tore off the wires at the PTO clutch (Common failure) even after you repair the broken wire you still need to replace the fuse.

Check the PTO clearance gap. It should be 0.012 dis-engaged. Any other value and the clutch will not work correctly. Adjust the clutch if necessary.

There is a 2 pin Pigtail just off of the PTO Clutch that you need to check for voltage at the connector. Probe the back of the wires if you can and your looking for 12V DC under the following conditions.

BRAKE ON or tied down
KEY ON
SEAT (Briggs and Stratton engine only) Someone needs to be sitting on the seat.

Then Pull the PTO Switch out. You should hear the PTO Clutch CLICK. If you hear the click there is no need to check voltage. The PTO switch is a multi function switch and it is quite possible the PTO switch failed. I doubt that the PTO Clutch has failed as they normally give you some kind of noisy indication that they are failing and don't fail straight away.

So.. In short
Check PTO Switch (Red wires) to usually red or brown thru the switch
Check 30 amp fuse
Check PTO clutch wires near PTO clutch (They get torn from something traveling through the pulley)
Check PTO clutch clearance at 0.012
Check Brake switch for an audible click as you depress it some distance No click.. possible bad switch
Listen for Seat switch Click as you slowly add weight to the seat. No Click or any click and it can still be suspect due to the Briggs and Stratton installed engine ones have more than one function.. Ignition and PTO clutch power.

The actual wiring diagram is on page 35 of the owners manal that can be found here:
http://www.managemylife.com/mmh/owner_manuals/27245/CRAFTSMAN-Lawn,-Tractor-L9910386?brand_name_search=917273023

Lastly... check each of the mower deck blade bearings. A seized bearing can cause PTO problems.

Hopefully you have enough information to solve the mystery. If not just respond here and I will help you.

Thanks for choosing FixYa.

Kelly



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PTO does not engage


if your belt was tight when you finished installing it and all the pulleys that it went around are free turning by hand and lining up reasonably well you should be ok.
to the clutch
are you good with a volt meter 12volts dc?

Find your connector close to the clutch
unhook it from the clutch
take your volt meter and engage your red knob (Have the key on and parking brake applied)check your voltage to the connector
Do you have 12volts dc?if so your clutch should work if not you need to trace the wire back to the red knob
check all of your fuses check all of your safety switches.

Or have a 12 volt source (a battery )and hook it briefly to the connector you found directly to the clutch connector pos. and neg. from your battery you should hear an audible CLICK if so your clutch is good if not you are losing 12 volts back toward the red knob
this is the best way to check the clutch while it is still on the machine.
if its the bad clutch get your wallet out they are expensive.
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remove or move belt guards out of the way and whole assembly should slide right off, note any shims and spacers that may come down with it and their locations
put back the same way it came off and tighten center bolt to 55 ft.lbs.
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