Question about Yard Machines 13AN772S000 42-Inch 500cc 14-1/2-HP Powerbuilt Briggs & Stratton 7-Speed Riding Lawn Mower

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I changed the deck drive belt & the baldes spin but when I lower the cut height from the highest setting(5) down one (4) the blades spin slows down too much & it's not cutting the grass. I need to know why so I can fix it.

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Sounds like you had to change the belt because their is too much resistance in the shafts that the blades are attached to. This may be from grass. Anyway, that is where I would check, to make sure everything turns freely when not connected to the belt .

Posted on May 17, 2014

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1 Answer

What causes blades to stop in low setting?


Scott, sounds like belt or pulleys could be worn out, also see if your pulley tension spring is still on the tensioner pulley arm if your machine is equipped.

Apr 04, 2016 | Garden

1 Answer

I have a John Deere LX178 lawn tractor and the mower deck will not raise/lower. It is all the way down and pushing in the button is how i've ALWAYS adjusted the height. It will not budge


1) NEVER adjust to where the deck wheels touch the ground. The wheels are to ride 1/4" off the ground. 2) The long lever to your left which raises & lowers the deck has 3 settings. 1- Fully back toward you which has the deck raised (called transport mode). 2- Halfway down which is the normal mowing mode (called float mode) 3- Fully away from you which sets the deck fully on the ground. This mode is ONLY used for VERY rough terrain where the deck risks getting pushed into "transport" or "full up" mode & getting stuck there. 3) On front-to-back tilt, the front should be 1/2inch lower than the back for least damage to the grass. Ok-now to adjust "cutting" height. 1) Park on a level, flat surface. 2) Pull the deck lever fully back toward you to put the deck into "transport" mode. 3) twist the "cutting" height knob (just below your seat) to the height you want the grass cut. Has choices by 1/2" increments from 1" to 3.5". The deck in "transport" mode is 4". 4) Lower the deck lever to the midway/"floating" mode point. 5) Adjust each deck wheel with its own peg & pin to have at least 1/4" clearance from ground. Thats it for "cutting height" adjustments
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call your deere dealer,
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Troubleshooting

Service Mower

cant find info for you,call dealer

Jun 03, 2015 | Garden

1 Answer

Why is it that my riding Lawnmower doesn't cut when I lower the deck to cut the grass lower


Tighten or replace drive belt. Before you do that though, with the deck raised right up and engine switched off reach underneath deck and grab hold of blades and try to move them up and down. Make sure there is no build up of debris between pulleys and guards. Remove the belt off pulleys if you can. Turn blades and check they are free to turn. What you are doing here is checking the blade spindle bearings for wear or damage. If they have excessive movement or feel rough and/or tight replace them. If they are good and the belt looks in good order, tighten belt That is done by adjusting the deck rods so the deck moves back. You tube have some videos of belt adjustment.

Aug 22, 2014 | Garden

1 Answer

Blades turn slower when deck is lowered on cub cadet 1042


Had the same problem after winter storage and couldn't find an answer anywhere. I noticed that the drive belt (not the ribbed deck belt) was loose when the deck was down below 4 and tight when it was up higher.
That told me either belt is stretched beyond the belt tensioner's or the tensioner wasn't working right. Found that the tensioner was hard to move and would stick. Greased the zerk on top of the large bolt, worked it back and forth a number of times by pulling on the belt. Problem fixed. But I'm thinking it may be time to order a new tensioner spring and belt anyway. Hope this helps someone down the road. If so pass it on. :) jerseyjimmers@yahoo.com

Jun 16, 2012 | Garden

1 Answer

Won't cut on low height setting


there are several rods that support the deck if one is missing it can allow the deck to move in the wrong dirrection

May 22, 2012 | Garden

1 Answer

The accelerator pedal is not working properly. Especially when trying to go up hill. I have to keep pushing & letting go, pushing & letting go. even when it starts to move. Also, the right blade...


Hello,

I am guessing that this was posted in wrong category.

You mention that you have to keep pushing / letting go of the accelerator. Is the engine RPM changing, or is the tractor surging, when you do this? What happens if you keep a steady pressure on the pedal? Isn't the throttle control via a lever on the panel?

Your uneven blade height can be caused by a multitude of issues.
1) If the spindles were changed, the wrong spindle may have been used on one side or the other.
2) The wrong blade adapter has been used on one of the spindles.
3) Mower deck has been bent
4) Mower deck is binding. Try raising it all the way up, and lowering all the way down. See if the uneven cut changes at both levels (all up or all down).
5) Blade is bent on one side, though this would usually cause such a ruckus and vibration it would be quite noticeable.
6) Belt is slipping. Yes, sounds strange, but if blade speed changes significantly, then the position where the grass is actually cut changes because the grass can "lean over" more.
7) Using a mulching attachment in tall grass can cause 1 blade to clog, and the cut grass that is swirling bends over other grass that needs to be cut.
8) Mower deck support bracket has been bent
9) Mower deck wheel has a bad bearing, and doesn't support the deck at same height as other side.
10) Mower deck is cracked / bent at a support location
11) You have lost a retaining pin at a support bracket and the bracket is loose.
12) A spindle's bearings are worn out, and the spindle is "jumping" as it turns.

If the blades are directly beside each other where they blades will overlap, it is normal for a small amount of height difference to occur. But, most decks have off set blades, one slightly in front of the other.

you should be able to raise the deck all the way, and pull the tractor's front wheels up onto something (landscape timber?) to get more access, then measure blade height in relation to bottom of the deck. If different, then you are looking at wrong blade / adapter or a spindle issue. If the blades are the same height, then you are likely looking at a deck support issue / binding in linkage.

Aug 25, 2010 | Craftsman Garden

1 Answer

42 inch jd la115, hit stump in yard, changed blade cause I thought I bent the baldes still cuts uneven. Could the shaft be bent or broken? It appears to be cutting properly on the right side but the left...


try pushing the blade up into the deck,,,if there is any lift in it there is the fault,,the top nut has come off the blabe drive pully and let the drive shaft drop a little this will lower the cutting blade,,,fix it before the blade falls right out

Aug 15, 2010 | John Deere Garden

1 Answer

Ariens 34 zoom blade binds at mid-height blade


Sounds like the mower deck is lower on one side. I am having the same problem with my older tractor mower.

Jul 24, 2010 | Ariens 34 In. Zoom Series Riding Mower

1 Answer

Setting the cutting heighth on my riding mower.


sounds like you have some bent blades or spindle shafts.If not then the lift bracket on the front of the deck may be bent or the weld broken or cracked.

Dec 12, 2009 | Garden

1 Answer

Blades slow down when cutting deck is lowered.


the lowerer the deck the more your working the mower. either mow more often or reduce speed

Oct 22, 2009 | Garden

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