Question about Craftsman 175 hp 42" Lawn Tractor (CA) ()

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When I lift the handle to engage the blades nothing happens. The belt is in tact, maybe worn or stretched, but it's there. Can it be adjusted? Is there a pulley not engaging?

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Remove the deck so you can check the idler bracket for free movement. Make sure the cam roller releases the brake arms without dragging.

Posted on May 06, 2010

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1 Answer

Belt is on properly but blades won't engage


Belt may be on properly but is it on tight enough to turn the blade assembly? There is an adjustment for that.

OR belt could be stretched out (common) and needs to be replaced.

Sep 11, 2015 | Garden

1 Answer

How do I determine why the blades will not engage on my mower


With the mower turned off and the deck at its lowest setting, check the top of the deck for any debris like rocks or sticks. Then watch the top of the deck while you move the engage lever. If nothing is moving, you either need to adjust the cable, reattach the cable, or install a new cable. If you see the lever with the pulley on it moving, when the engage lever is locked on, check the tightness of the belt. If it's loose, that is your problem and it could be a stretched belt.

Sep 18, 2014 | Craftsman Garden

1 Answer

My neighbor and I just changed the blades on my Wizard riding mower. (The nuts were hard to loosen!) I bought new blades and we put them back on in the same direction as the old ones. I fired up the...


Sounds to me like the belt is too tight and not grabbing, the squealing noise is the sound of motor pulley spinning on the belt. This could also happen if belt is worn out. I'd try adjusting the belt. Hope this helps.

Sep 14, 2013 | Garden

2 Answers

I recently replaced a worn blade belt on my poulan pro 42"deck riding mower. The mower is about 6 years old and has run great the whole time until the belt broke. The problem is that now the blades...


ill bet one of the blade holders has a bad bearing and doesnt spin freely. loosen the belt and check them all. some you can reoil but not all. good luck

Jun 17, 2017 | Garden

1 Answer

The blade belt keeps coming off


check belt length for stretch.pulleys for wear,oil on belts &or wear of belt.check engage handle adjustment is correct

Jul 10, 2013 | Troy Bilt 5.5hp Self Propelled Mower

1 Answer

Mtd 19 In. 173 CC OHV 3-In-1 self propelled. Drive will not engage. Appears as if the belt is too loose even when the drive control bar is depressed all the way. Is this adjustable? This mower hasn't...


Between the handle and the connection to the drive system, look for adjustment screw or nut and screw on cable. Maybe even check the spring tension, if handle is spring loaded and the spring is stretched it will not engage drive system. If no adjustment to be found then you must get new belt. Good Luck...

Jul 19, 2011 | Mtd 19 In. 173 CC OHV 3-In-1

1 Answer

Is it possible for the belt to stretch out so much that it won't engage the blades. It worked last year and now it doesn't. I have looked at all the obvious possible problems and it appears that none of...


your belts will stretch out and only have a life span of 1 or 2 seasons. There should be nearly no slack once the blades are engaged. Make sure it didn't slip off any of the pullys and the belt tensionor is on correctly. Check belt for cracking or fray makrs on edges as these are clear signs of a worn belt.

May 11, 2010 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

Blade won't engage - mower starts and propells itself, but when the yellow arm is pulled and lowered to engage the blade, nothing happens.


The blade is probably belt driven, and the belt is either broken, need adjusting, worn that bad, or there is a pulley problem. Get it in the air and check that the belt tightens. It will not be completely tight, there should be a tiny bit of play when engaged.

Mar 29, 2010 | Toro Lawn Mower With Toro Power Tools

1 Answer

I have a 1999 Yardmachine(MTD) model #13AS679G062, serial #1H287H2007-42 inch deck; when cold starting, the blades do not disengage, with the lift deck all the way up, clutch pedal depressed. I have...


Yes worn belts do stretch. On an MTD mower, like yours, there are blade brakes assemblies on either side of the mower where your feet rest. They stop the blade rotation when they make contact with the top of the deck pulley assembly. Part # 761-0168B Is the part # , you are looking for, you will need two of them.
Good Day.

Oct 09, 2009 | Garden

1 Answer

BLADE DRIVE BELT ADJUSTMENT


Well, most riding mowers have a "pully idler", meaning once you have the belt on there (and it is the RIGHT size), the idler automatically gives the belt tension when you engage it (in fact, the idler pully is what IS engaged when you engage the belly mower).

Couple things to check (super simple):

The Belt. Look to see if she is wore smooth out.
Sometimes....they WILL stretch on you, instead of busting/coming apart, and give you noise (when she is engaged, but wore out enough to flop around a little)

The Deck Blade Bearings. Straight away, that is what it sounds like, or bent blades.

Check your Blade Bearings (super simple):
1. Pick up your deck to the highest high setting (mower off, just sitting).
2. Reach under, and grab your mower blade (do this for both sides), and TILT your blade UP (meaning, don't LIFT the blade straight up).
Seriously, jiggle it at a TILT. If you feel some slack in the bearing, the bearing IS shot. Straight up and down is most of the time OK, IF it is VERY little play on your blade bearings. As you do it, look at your belt pulley directly on top, if you see that pully bobbing....

However, if you grab one side of the blade only, then tilt the blade up, and she moves.....
Bearings need replaced, both the upper AND lower bearings PER blade.

They are not hard to replace, and not expensive either! (Though unfortunately, most are "sealed" junk nowadays!)

Bad Bearings show up (make themselves known) in only a few ways: Tons of Noise (grinding, squealing) & Vibration.

Go check them thar Bearings!

May 28, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

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