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NAA I don't want to!

T

Two0aks

Member
53 NAA.
Drained the Differential but first had to stick a wire into the drain before anything would come out, then it flowed.

Drained the Hydraulic. Same thing but not quite as much sludge in the hole.

Today drained the Trans. O-Boy. Seemed to be water first and very thin and sludgy. Reached my finger in the Big Hole and feels like at least 1/2" of muck. I didn't want to pull the cover but think I better to try to wash out as much as I can.

Better pull the Hyd. dipstick cover too to see what's in there.

What's in your Transmission and how'd you clean it ?

I suppose normal for anyone restoring. I don't want to pull the Hyd Lift cover and will try to resist the urge to see.

All three compartments need an enema, and it will be fun to see what's in the engine oil pan. I'm pulling the engine for a rebuild since it's uncovered anyway. I love an adventure.
 
I drained the sumps and poured in 4 gallons of diesel. Let it soak for a couple of days. Then pulled the PTO shaft, all side and top covers. Scooped out as much as I could then washed out the remainder with a garden sprayer and diesel.
 

I hope that you got it hot before draining. Get yourself an oil pump that is built into a five gal. bucket lid. fill the bucket with fuel and substitute a longer vinyl discharge tube. Then pump the fuel in through the fill and inspection openings working it around in different directions. You can reuse the fuel until you think that you have gotten most of the sludge, the use clean fuel for a rinse.
 

Thanks for the tip Dollar Bill
I've got plenty of solvent & Kerosene. I'll have to dive in with my sleeves rolled up. Pretty amazing what got into the Trans. The way the shift boot just sat on top doesn't surprise me so much junk gets in there.
 

Thanks also showcrop for this tip. It's been sitting for six years since last run and sat for longer before I bought it. I do have a 12v pump that will work for this.
 
It's really not that big of a job to pull
the transmission cover and lift cover.
I generally do on a tractor if I think it's
one I'll keep.
I go after them with a pressure washer and
blast them out good. Let the gunk flow out
of the drain holes. Then blow them out with
compressed air with a long tube on my air
gun. If I don't plan to refill them right
away I shoot what gears and bearings I can
reach with WD-40 to prevent rust. Use a
whole can of it.
Check/replace the cam follower pin and put
new lift cylinder seal in it. Both gaskets,
the CF pin, piston seals and WD-40 can be
had for about $35 for the lot.
The whole job will take about half a day if
you stop for coffee along the way.
Small potatoes if you're doing a good rehab
on a tractor.
 

[i:5d3f5de014]"If I don't plan to refill them right
away I shoot what gears and bearings I can
reach with WD-40 to prevent rust. Use a
whole can of it."[/i:5d3f5de014]

this is one of the very few jobs WD40 does well.
 

Thanks all for your generous replies. I've kinda done things backwards. Already hoisted it outside last week while the front was together and washed real good with Super clean, dried and the entire thing and from the Bell housing back applied Ospho and wiped excess off.

So today only had a few minutes to take the Trans cover off and see the nice color of oily dirt. I'm thinking of washing as much as I can with a pump sprayer and solvent. Would have been nice to do a St.Jude restore as seen on John Smith's site, but I'm by myself for this and the engine rebuild is as far as I wan't to go.

Ultradog MN, I couldn't find the item Cam Follower Pin & Lift cylinder seal in my MPC. Are they part of the Lift cylinder, shaft & related parts ?

I do like your idea of pressure washing it out, but I just don't want to make another mess. My FEL could possibly hoist it back outside minus the engine. I really would like to clean it better than my way.
 
Two0aks,
When I replaced the PTO seal I had to pull the pto. Spent hours manually
removing the sludge. When I had to remove lift cover to work on linkage, I
cleaned it. Had some water too. Never did anything to tranny except drain the
water out, replaced the rubber boot on shift lever. I store the tractor inside.
 
(quoted from post at 03:34:18 05/16/18)
I couldn't find the item Cam Follower Pin & Lift cylinder seal in my MPC. Are they part of the Lift cylinder, shaft & related parts ?
Click to expand...

I'm not UD but are [b:7a6ca4dcc7]items 16 & 47[/b:7a6ca4dcc7] what you're looking for?
Click to expand...

I'm wondering too. Items 16 & 47 in which book ? Maybe I'm looking in the wrong places, but I can't find those mentioned in any of my four manuals.
 
Don't remember what size drill bit I used to replace my cam follower pin. I
think YT sells the lift cover gasket. So did CNH.
 
The link I provided "Items 16 & 47" is the New Holland online parts page for the NAA.
Click to expand...

Sorry, I forgot to post the image:

mvphoto16637.jpg


On your cam follower pin; a standard 5/16" X 1" dowel pin will work but is .003 larger in diameter and may have to be beveled to install it. Or if dowel pin previously installed or the hole is oversized, no grinding required.
 
Thanks Dollar Bill

Item 47 in your NH parts book appears to be item 73298-S18
in my 53-59 MPC, except mine lists it as 5/16 x 7/8.

Anyway thank you for looking it up. I couldn't figure out what it was by the previous descriptions. IF I take the cover off I'll then see what it's condition is and go from there.
 

Just an update. Tried vacuuming out the sludge in Btm. of Trans. with small hose. Didn't work. Used very stiff wire and scraped around the Btm. and sprayed Super clean in the bottom where I could reach it and got out most of the gunk. Poured a coffee can of Kerosene in and will drain later.

Couldn't resist taking apart the shift cover as it was very dirty underneath. Had to make a fork from a piece of 1/8" to depress the sping to get the keeper out then all came apart. More fun and it's clean.
mvphoto16668.jpg
 
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