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Deck Belt Tensioner Blues

#1

B

bartles

Working on a LT 1045, Model 13AX11CH712, S/N 1A115H10684

Looking at a new owners deck, without a history, and I do not see a way the deck belt keeps tensioned I see in the parts listing a couple of brackets with
the same parts number, 783-05118 that appear to be bolted, sandwiched, together. One bracket has a 4.25" 756-04129 pulley, the other has a 3.5" 756-0627D pulley.

Is this the most recent arrangement that supposedly resolved the belt retention issue
with this deck I have read about?

Thanks in advance,

bartles


#2

StarTech

StarTech

It basically the springs should connect the same same this deck.
1732571315469.png


#3

B

bartles

Thanks for your reply........................this deck does not have the item 46 brackets. Evidently at some point
in its history someone has "jury-rigged" what was probably considered a fix for belt retention.

Looks like its fabrication time since those brackets are not available from CC.

I appreciate the help,

bartles


#4

StarTech

StarTech

I reckon MTD is has started killing off old mowers too. Looks like my distributor has dropped their balls yet again as price price didn't show NLA status on the 783-05118 part. Or they are just playing with them in the back room.


#5

ILENGINE

ILENGINE

StarTech said:
I reckon MTD is has started killing off old mowers too. Looks like my distributor has dropped their balls yet again as price price didn't show NLA status on the 783-05118 part. Or they are just playing with them in the back room.
Click to expand...
My distributor is showing NLA. But I also have been seeing items in parts catalog that show as new items or items that are still in the catalog that are NLA at the time of printing.


#6

B

bartles

I appreciate the help guys.

bartles


#7

StarTech

StarTech

ILENGINE said:
My distributor is showing NLA. But I also have been seeing items in parts catalog that show as new items or items that are still in the catalog that are NLA at the time of printing.
Click to expand...
And that is getting very frustrating. Ordering to find later they are NLA and then having that repairs are not possible after I done quoted out the repair.


#8

Tiger Small Engine

Tiger Small Engine

bartles said:
Working on a LT 1045, Model 13AX11CH712, S/N 1A115H10684

Looking at a new owners deck, without a history, and I do not see a way the deck belt keeps tensioned I see in the parts listing a couple of brackets with
the same parts number, 783-05118 that appear to be bolted, sandwiched, together. One bracket has a 4.25" 756-04129 pulley, the other has a 3.5" 756-0627D pulley.

Is this the most recent arrangement that supposedly resolved the belt retention issue
with this deck I have read about?

Thanks in advance,

bartles
Click to expand...
If your belt tension is not adequate, you may need to buy a spring at hardware store that is close enough and will work. In a pinch you can heat up existing spring and cut it shorter to restore good belt tension.


#9

ILENGINE

ILENGINE

Looks like the 783-05118 was used on the 07-08 models so that part would of been discontinued by MTD standards in 2013.


#10

StarTech

StarTech

Belt retension issues are usually caused by the pivot points egging and wearing one side allowing the the idlers to tilt then belts run off the tilted idlers.
Now if the belt length is the issue the OP can try a shorter belt. Gravely/Ariens 07241800 is the next size down at 121-5/16. THen is also one on Amazon that is 121-1/2. Either could be used in place of the 122 belt. Much easier to install a slightly shorter belt than modify things.



#11

B

bartles

Tiger Small Engine said:
If your belt tension is not adequate, you may need to buy a spring at hardware store that is close enough and will work. In a pinch you can heat up existing spring and cut it shorter to restore good belt tension.
Click to expand...
True........with this little surprise none of the tensioner linkage/brackets are on the mower. There is one idler, bolted in place, with nothing to tighten the belt on the deck.

The owner "got a heck of a deal" on the mower:oops: I'm going to fab a couple of brackets and patten them after the last version I see in the CC website parts lists.

Keeps a retiree busy!

I appreciate the advice and interest.

bartles


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