Question about Craftsman 42 in. Deck 19.5hp Lawn Tractor

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Mowing blades on 42 inch deck are not cutting evenly.

One blade almost digs into ground while other blade cuts too high. WHere can I FIND a manual or diagram of deck parts for a SEARS CRAFTSMAN, MODEL 917.270921 on internet ? I think the problem is from a damaged jack shaft, but I would like to know what exactly I'm asking for so as not to be considered a dumb blonde female !!! Thanks for any help out there!

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  • 284 Answers

Go to sears.com
find parts direct at the top click on it

a place will come up where you can enter you mod#
click on search aftermod # entered and everything part wise will come up for that tractor
on the left hand side

Posted on Jun 15, 2009

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My riding mower has a 42" deck with 2 blades. Left side cust much lower than right side. It looks like two different cuts. How can I fix this?


adjust the cutter bed so that it cuts the same hight
look at the mower bed and feel how high it is on both sides if diferent adjust it so its the same hight,

Jun 26, 2010 | Poulan 42-Inch Steel Deck 17.5 HP Briggs &...

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My mowers cuts uneven I replaced the blades but it still cuts uneven how can I level it?


Park mower on a level flat surface ( a concrete garage floor is ideal ) lift deck up until you can put a piece of a 2x4 flat underneath the deck and lower deck until it just contacts the 2x4. loosen adjustment nuts or turnbuckles and adjust until the deck just starts to clear the 2x4. this should level your deck. Now , lift the deck and remove the 2x4. put blade height lever on a known cut length and with a tape measure, measure the tips of the blades from the floor to the blade tip...they should all be the same within 1/8 of an inch...if not then you either have a bent blade, bent spindle shaft, or spindle bolts are loose or misaligned. Your deck could be warped too...depending on how hard a lick it took...good luck !!! ;-D

Jun 24, 2010 | Craftsman 20 hp 42 in. Deck Lawn Tractor -...

1 Answer

The riding mower doesn't cut evenly...one side cuts higher than the other...


The following steps will make any riding mower cut evenly.
1. The rear tires must be the same diameter i.e. same tread type and the same tire pressure (check it before each mowing).
2. Level the deck following the instructions in the manual and recheck it occasionally
3. Make sure the blade(s) are not damaged and kept sharp, rounded blades tear instead of cut.
4. Make sure the deck and its attachment points are not bent or damaged.
5. Drive at a slow walking speed with the engine at cutting speed.
6. Over lap rows in amounts sufficient to lift and cut the tire tracks from the previous pass.
7. Cut the grass at intervals that ensures you never have cut more than 1/3rd the total length of the grass.
8. Make sure the underside of the deck is clean.
9. Use a blade style that matches the type of grass you most often mow.

Jun 18, 2010 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

WHY IS CUT UN EVEN? MOWER LEAVES LINES IN LAWN


My 10 steps to ensure even cutting for any riding mower.
1. The rear tires must be the same diameter i.e. same tread type and the same amount of pressure
2. Level the deck following the instructions in the manual
3. Make sure the blades are not damaged or bent.
4. Make sure the deck nor its attachments are bent
5. keep the blades sharp and don't drive too fast when mowing.
6. Over lap rows about 20%
7. Cut the grass at intervals that ensures you never cut more than 1/3rd the total length of the grass.
9. Make sure the underside of the deck is free from chunks of clippings.
10. Use a blade with higher lift, yes you have to match the blades to the type of grass you cut most often, (commercial mowers use a universal blade and high speed decks).

Jun 18, 2010 | Husqvarna Lawn Tractor 48" Deck, 23 Hp,...

1 Answer

Toro 1991 42 inch mower doesnt cut even how do i


The blades should be a simple bolt on, how ever there are no adjustments at the blade. Your adjustments are on the swing brackets that raise and lower the deck.

Apr 26, 2010 | Toro Lawn Mower With Toro Power Tools

1 Answer

One blade is much higher on my riding mower. how do I even them up? This is murray 42 inch.


Hi,
This is rather odd. Are you saying it's higher because of the grass height from one side of the deck to the other after mowing?
Sometimes when a spindle bearing is sloppy or played out, the belt pulls the spindle to one side. As you might imagine, this tilts the cutting blage and causes a close cut on the inside and high cut on the outer.
I would check the spindles for bearing issues. If they are ok, I would check to see if you have an issue where one blade that might be installed incorrectly. The heights aren't adjustable per the blades, just the entire deck is adjustable.
I hope this helps... Good luck!

Oct 23, 2009 | Garden

1 Answer

Have to overlap about half my cutting deck to get clean cut.


A: Is the blade on right?

B: Is the belt on the pulley?

C: Is the blade tight on the spindle?

D: Does the spindle turn freely with the belt off?

I can't think of any other possibilities

Jul 03, 2009 | Craftsman 21 Hp 42" Deck, Ys 4500 Lawn...

1 Answer

19.5 hp 42 in cut craftsmen lawn tractor.I got from grandmother,blades were bent got new sears blades still digs into ground and doesn't cut in middle,do I need a new deck?


No,You need to park on a level area and lower the deck to it's lowest setting and adjust the deck with the large butterfly nuts on each side,just under the foot pan,just loosen and let the adjusters fall into place,Tighten back up and it should be set.You may need to do this more than once.

May 11, 2009 | Craftsman 42 in. Deck 19.5hp Lawn Tractor

2 Answers

I sharpened the blades at the end of last mowing season. The next cut was very uneven, so I checked to make sure that the blades were installed properly and re-leveled the deck. The last cut was even...


The problem you discribe is the classic broken blade spindle or quill. The tube that supports the bearings between the deck pulleys and the blades is almost certainly broken. Look under the deck [mower OFF] at the piece right above the blade that is malfunctioning and you will probably find a bad bearing or a chunk of the tube that holds the bearing/blade to be missing. That happens when the blade gets 'wacked'. The outer edge is cutting too high because the belt is pulling the shaft toward the center of the deck. The quills are fairly easy to replace. Get the model number off your tractor before you go to buy the part.

Apr 04, 2009 | Craftsman 42 in. Precision Cut Plus 24hp...

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