Experienced gardeners share their insights in answering this question :
There should be a long lever to your right when seated, move that lever forwards and backwards for height adjustment. Good Luck…
How to Identify and Fix Common Gardening Problems ?
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Dual-lever, 6 position height adjustment makes it easy to change cutting heights from 1.25″ to 3.75″ high.
Grasp the attachment lift lever on your right side with your right hand. Find the plunger at the top of the attachment lift lever. Press the plunger inward with your thumb, and move the attachment lift lever back, or toward you, to lower the cutting blade.
Sharpening or replacing the mower blades is also the answer if grass tips look ragged or tattered instead of cleanly cut. Blade vibration also causes an uneven cut. To eliminate vibration, replace unbalanced blades and worn mandrels. Replace a worn blade belt because a worn belt won`t spin the blades correctly.
For most effective results, a lawn mower deck should have a pitch, or height difference of 1/8-inch to 1/2-inch between the front of the deck to the back of the deck. Naturally, this makes the sweet spot about 1/4-inch of pitch, depending on the mower model.
Discover Relevant Questions and Answers for Your Specific Issue
the most relevant questions and answers related to your specific issue
How do I raise the blades
There should be a big bar on the right side of the mower that changes the deck height. if it only going up a little look for a height limiter dial on the other side of the mower about where the height adjustment bar is on the right side.
good luck and be careful!
I have a craftman 42 in dual blade riding mower. It it cutting my grass unevenly. I have change the blades and bearing on the blade housing. please help.
Either the deck is uneven or one of the blades are upside down
I would like to replace the mulching blades on my Sears Craftsman riding mower with regular cutting blades. I can find plenty of sources for new mulching blades, but not cutting blades. My mower is a model 917.259541 tractor and the blades currently on it are part #134149. I want to make sure I get the right size to replace them. Also, is there a source for a bagging system for this mower, that won’t cost as much as one from Sears?
The straight blade for the 42 inch mower is 138971.They cut better and are easier to sharpen and you will need them if you use a gass catcher. If you do not want to use sears for parts you may be able to find good deals on ebay.
The blades are cutting unevenly – Craftsman 17.5 hp 42 in. Deck Lawn Tractor – CA Model
I know this will sound a little crazy, but check the air pressure in you tires. My neighbor had the same problem. The tires looked okay until he sat on the mower. One of the rear tires was low which caused the mower to sit lower on one side. Next check the linkages on the deck to make sure they are hooked up and haven’t fell off.
Uneven grass cutting
I have seen dull blades, blades not installed right and an un-level deck cause that.Hope this helps.
Enigine smokes after 15 minutes use, blue smoke
The piston rings are probably worn in the motor.
Blades wont ingage on my craftsman lawn tractor #917.274811?
After hitting a tree root, blades will not cut when I press to engage
Mower blade on one side spins free and will not cut grass
Check the bearings in that spindle.