Question about Poulan Pro " Pro" Self Propelled Mower

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It keeps eating drive belts! It looks like the pulleys are not parallel. Can you align them? It appears to be spring loaded

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Either the belt you are using is not the correct lenght and width, or one of your pulleys is worn out. Make sure that you are using the correct belt. Poulan mowers (made by AYP) will typically use a fractional length belt...meaning that you have to buy a Poulan belt to go on it. With the proper belt and pulleys, the front drive pulley should be level and the belt pattern should not contact anything other than the pulleys.
Good luck!

Posted on Aug 30, 2010

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Posted on Jan 02, 2017

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I have a sears craftsman model no 917273100 and I have replaced 3 drive belts this year mowing. The belt slips off the back pulley and then they are frayed. Is this a major problem with this model?


not heard of any issue with this. Look for worn bearings in the pulley causing it to be out of alignment which will cause the belt to come off. also, check to see if there is any type of tensioner to keep proper tension on the belt. It usually consists of a spring loaded device so it has some "give" to it under loads, with adds flexability to it.

Aug 16, 2017 | Craftsman Garden

1 Answer

I have a 30"/ 16.5 craftsman snowblower and the traction belt keeps jumping off almost as soon as I engage the drive. I have replaced the belts and it happened again.


1) Look for obvious pulleys out of alignment. Most pulleys on a drive system are 'keyed' and have a set screw or bolt holding them into position.
2) Most traction belts turn with the engine, so it turns all the time. Look for an idler pulley with spring attached that may be out of alignment.
3) Inspect the 'V' groove of the driven pulley for any foreign debris.
4) Inspect the driven pulley for damaged caused by another pulley or object striking the edge of the 'V'.

Feb 15, 2017 | Garden

1 Answer

Craftsman LT2000 lawn tractor keeps throwing deck drive belt


Keep in mind that the mower deck gets to be raised and lowered into the desired mowing height, with no change to drive pulley (at motor) height. This requires a belt long enough to allow the furthest reach (usually with deck dropped to lowest setting) and a spring loaded tensioner pulley, to take up the slack (and keep the belt tight) as the deck is raised. There may also be a belt guide or two incorporated to help keep the belt from jumping ship in the process. Sometimes these are just a heavy gauge steel wire loop that attaches near the pulley to keep the belt from jumping if it gets slack. Possibly you didn't thread the belt through or under it properly, or have missed the tensioner pulley.

It could also be the tensioner spring is broke or has fallen off or become too weak. Have someone move the deck up and down (with motor off, and belt installed) while you watch to see there is any obstruction in path. Also look for the belt becoming loose at a certain point. Some tensioners have the spring built in to the pulley and you can't really see them. They have to be pre-loaded, by rocking the pulley spindle assembly against the spring force while you slip the belt over it. Sometimes the belt looks fine and not loose in static (not moving) condition, but when the blades are spinning fast and the throttle is closed with no load (no thick grass being cut) the blades momentum will cause a belt sag that is supposed to be taken care of by the tensioner. It can get pretty grimy down there, also very dry, dusty and caked with cement like old clippings. Check the manual and find out where your tensioner is, then check it to make sure that it can move freely and it isn't locked tight by debris or rust. Also good to check if there has been an update to your mower. Sometimes these problems cause a manufacter to offer a better spring, or change pulley sizes to correct a common problem.

Aug 11, 2014 | Garden

1 Answer

2000 expedition 5.4 triton with a kenne bell supercharger. The maindrive belt is squealing, glazing and craking within a 1000 kilometers


What you describe is an indication that the serpentine belt is under a load that it is not designed to operate under. Either the supercharger is suffering impellor interference at rpms or the bearings are not spinning freely or the boost at rpms is producing excessive load on the belt. Take it to a speed shop that handles super chargers and can do a dyno test to see exactly what is happening under rpm and see if you can get a better quality belt to do the job.

Feb 09, 2014 | 2000 Ford Expedition

2 Answers

2005 dodge caravan 3.3 serpentine belt shreds due to misalignment serpentine drive belt rides to inside of idler pulley with acceleration Added by ROSETJG 20 hours ago is there a double lipped pulley that...


Unless something has bent this should not be an issue. The only other time I have run into something like this is when the tension is not correct on the belt. If that doesn't have the spring loaded tension pulley you will find an adjustment on the alternator bracket. If it does have a spring loaded system then you need to replace that spring in the tension arm.

Nov 22, 2011 | Cars & Trucks

1 Answer

The belt that drives the drum on my washing machine keeps slipping off, It is a brand new belt so have no reason to believe it has worn. When we put it back on it is so difficult to do, but as soon as it...


Check the alignment of the pulleys, If they are not perfectly aligned the belt will be thrown off at high speed. Also check that the axles are parallel to each other because if a pulley rides higher on one side the belt will ride towards the higher point and be thrown off the pulley.

Mar 12, 2011 | Creda W100FW Front Load Washer

1 Answer

How do i keep the belt from slipping off


what kind of mower? generally there should be a spring loading idler pulley to give it tension and/or the pulleys or out of alignment or worn out what i would do first to look at if the belt has the proper tension should only able to move 1/4 inch up or down

Sep 13, 2010 | Toro Lawn Mower With Toro Power Tools

2 Answers

Looking for timing mark's for a 1997 camry with a 2.2 4cyl motor?


Hi,


You find the timing marks on the picture below.

moz-screenshot-2.pngaab8238.jpg



Removal
Remove auxiliary 1. drive belts.
2. Support engine.
Remove:
Engine mounting and bracket.
Timing belt upper cover [1].
3.
4. Turn crankshaft clockwise to TDC on No.1 cylinder. Ensure timing marks aligned [2] & [3].
Remove:
Crankshaft pulley bolt [4].
Crankshaft pulley [5]. Use tool No.09213-60017.
5.
6. Ensure timing marks aligned [2] & [3].
7. Slacken tensioner bolt [6]. Move tensioner away from belt and lightly tighten bolt.
Remove:
Timing belt lower cover [7].
Crankshaft sprocket guide washer [9].
Timing belt.
Tensioner pulley.

Installation
Installation
1. Check tensioner pulley for smooth operation.
2. Check free length of tensioner spring is 46,0 mm [8]. Replace spring if necessary.
3. Fit tensioner and spring. Ensure spring is connected correctly.
4. tighten bolt [6].
5. Ensure timing marks aligned [2] & [3].
6. Fit timing belt. Ensure belt is taut between sprockets.
Install:
Crankshaft sprocket guide washer [9].
Timing belt lower cover [7].
Crankshaft pulley [5].
7.
8. Slacken tensioner bolt 1/2 turn [6].
9. Turn crankshaft two turns clockwise to TDC on No.1 cylinder. Ensure timing marks aligned [2] & [3].
Turn crankshaft slowly 1 7/8 turns clockwise until crankshaft pulley timing mark [3] aligned with 45° BTDC mark [10] on
timing belt lower cover [7].
10.
11. Tighten tensioner bolt [6]. Tightening torque: 42 Nm.
12. Install components in reverse order of removal.
13. Tighten crankshaft pulley bolt [4]. Tightening torque: 108 Nm.
Manufacturer: Toyota

Jun 25, 2010 | 1997 Toyota Camry

1 Answer

1.5 year old mower keeps eating drive belts. have two mowers like this. The pulleys look to be in good shape. is there a problem with the tension spring on these mowers?


1) bad pulley
2) bad pulley bearings or spindle
3) out of alignment
Mower to new to be having this problem
My guess bad bearing.

Aug 23, 2009 | Garden

1 Answer

Timing belt and pulley


1.Your engine has an internal timing chain, not a belt.
Therefore I'm going to assume that you mean the serpentine drive belt.
Common causes for belt to fail is either a mis-aligned or damaged pulley, improper belt tension, or bad tensioner spring (if equipped with spring loaded tensioner) You mentioned a loose pulley but didn't say which one! That's what I'd look at first! Also, make sure that all pulleys have no "wobble" indicating a bad pulley bearing Most common: water pump or idler pulley.

Dec 30, 2008 | 1999 Jeep Cherokee

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