Dedicated 782 - Page 3

john hall · #21 12-31-2017, 08:53 PM

Quote:

Originally Posted by darkminion_17

I think the force on the offset hole may cause problems, why do you think they put it where it was instead of where it is now?

Can't see it making a difference, its just rotated, not what I would call offset. Like Gompers pointed out, should have rotated the other way, but whats done is done. From a machining standpoint the original hole location would be the simplest thing to do--no spotface, the hole doesn't come out the back on one side causing it to lead off and requiring something like an end mill to bore it. Same reason this part was cast, only 2 machining operations required---less machining and less time means cheaper. It also was a more "balanced" design, but not sure that is required. Pulleys, sprockets, etc are driven offset by a single key. I'm sure this part could have been keyed and held in with a set screw.

I did wonder what if you didn't drill the roll pin holes in the shaft in line with each other? Would that be like have a bent/twisted driveshaft or one that is assembled out of phase?

john hall · #22 01-14-2018, 02:09 PM

FINALLY, I was able to get the 782 out of the shop. Got the new driveshaft installed, runs nice and true. Everything is new, except the cast ends and bolts, I did use new locknuts. You can blow past $100 so quick rebuilding a driveline it will make your head spin.

I bought enough material to make 2 more driveshafts and bought packs of roll pins and lock nuts, all from McMaster.
Put on an aftermarket fuel pump. Ready to go. Oh wait, lets check the hydro fluid. So low I couldn't touch it, decided to change it. It was aggravating but I was able to change it with the sprayer attached. Only had 4 or 5 qts in it.

Appears the notorious pump mounting gasket has a slight leak, although sitting in the shop for a month it didn't drip a spot larger than a quarter. Unless it turns out to be a problem, I'll let it "sweat". Because I'm anal, I refilled with Hytran and a Cadet filter.

I may have to make another 1 hr run for HyTran and engine oil before spring gets here.

Anyway, the 782 has been evicted from the shop--that's a good thing!

Gompers · #23 01-14-2018, 02:53 PM

Hooray for another happy 782 in the world!

DieselDoctor · #24 01-14-2018, 05:18 PM

The tractor has lasted 30+ years the first go round, fixing it right as you have, It'll be ready for another 30!

twoton · #25 01-14-2018, 06:29 PM

Good to see your progress.

zippy1 · #26 01-14-2018, 11:34 PM

Good work John.

Also, good idea replacing those nuts. Cheap insurance.

jbrewer · #27 01-15-2018, 06:55 AM

Thanks for letting us watch along via your photos and repairs.

What's next in the cub shop?

Terry C · #28 01-15-2018, 08:57 AM

Nice work!

Nightow1 · #29 01-16-2018, 09:08 PM

Rescue11 built this several years ago both sides fold it's a 3pt attachment.
If you wanted something to cover more area and removable..

john hall · #30 01-16-2018, 09:44 PM

Quote:

Originally Posted by Nightow1

Rescue11 built this several years ago both sides fold it's a 3pt attachment.
If you wanted something to cover more area and removable..

Looks nice! We needed something more for wand use around buildings, ditches, fields, woodlines, etc. I only put 2 nozzles on the sprayer boom, that's just for driveway and farm road--make 2 passes. I put out about 5 tanks last year and barely used it over 1/2 the season. Kept things looking real nice around here though!