Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires? - MyTractorForum.com - The Friendliest Tractor Forum and Best Place for Tractor Information
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post #1 of 24 Old 08-09-2019, 11:22 PM Thread Starter
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Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

Alright - here we go

I have a 455 and happened to find a 40 loader within driving distance. Picking up Sunday

I'm newbie when it comes to adding a loader - so I need some help.

Pressure relief valve? What is it, where can I find one, and how do I add it?

Shims - where can I find one, and how do I add it?


What front tires are recommended for use with a loader?


Anything else I'm missing? i Have wheel weights, and a Cat1 3pt that I can put suitcase weights on.

JD 445 ~2001 w/ 60" deck. JD 3pt Hitch (SOLD)
1200hrs

JD 455 ~1998 w/ Rear PTO and 60" deck, and 47 blower. Ruegg Cat1 3pt Hitch. 40 Loader w/ loaded Duros
1700hrs

JD 455 - 1993 (1st year) w/ 60" deck.
1100hrs
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post #2 of 24 Old 08-10-2019, 04:05 AM
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

Load the rear tires, preferably with Rim Guard. Depending on the tasks and the tread pattern of the existing tires, you may want to invest in a set of 2-link tire chains as well.

I used 18x9.50-8 highway rated 4-ply utility trailer tires for the front of my loader GT.

Bob

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post #3 of 24 Old 08-12-2019, 07:36 AM
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

You can probably get by with the stock tires for the short term, just make sure they are pressurized on the high side. 4 ply rating or better is recommended.

On the other questions try searching for shimming and THRV, lots of prior posts on the subject.
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post #4 of 24 Old 08-12-2019, 07:49 AM
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

I have a Buford Bucket on a 332 the BB is a little smaller than a 40 so not exactly apples to apples . My 332 has 1000 PSI at the front hydraulic outlets , I verified with a pressure gauge . I find that the 1K pressure is plenty for the work I do around the yard . So my suggestion is to install the loader , use it for a while and see if you are happy with it . You can always shim for more pressure later , keep in mind the factory set the pressure for best all around performance including hydro transmission longevity . In theory as you raise pressure you are chipping away at longevity . But there are lots of guys running 1200 or more PSI with seemingly no issues .

For front tires I am a real fan of the Vredstein V61's they are a 6 ply 5 rib tire that can really handle the load . I have them on my 330 and 332 with no regrets . As already mentioned load up those rear tires , I put 7 gallons of windshield washer fluid in each rear tire plus I have wheel weights , a weight box and suitcase weights ! You will quickly find out with a full bucket of dirt/gravel/etc. that you need a LOT of rear weight to combat the leverage a full bucket has . Enjoy your loader and be safe .
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post #5 of 24 Old 08-12-2019, 08:47 AM Thread Starter
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

Great info - thank you!

I picked it up last night, and had a chance to witness the seller uninstalling the framework, which leads to a couple of more questions:

1) When installing the loader frame on the tractor, the rear part of it is bolted into the frame and transaxle. Are longer bolts required?

2) Is there a preferred method of installing the rear part of the frame to the tractor?
- Remove tires?
- Jack stands on both sides?
- I ask because while he was un-installing, the axle shifted slightly from the frame


3) Is there a trick installing the FRONT bolt/nut of the frame? We had a heck of a time getting to and holding the nut from the inside of the frame so it wouldn't spin, and he could remove the bolt.

(if most of this would be covered in the manual, I wouldn't mind getting one - it's just that I'm only finding an operating manual and before I spend $25+, I'd like to make sure that was included)

JD 445 ~2001 w/ 60" deck. JD 3pt Hitch (SOLD)
1200hrs

JD 455 ~1998 w/ Rear PTO and 60" deck, and 47 blower. Ruegg Cat1 3pt Hitch. 40 Loader w/ loaded Duros
1700hrs

JD 455 - 1993 (1st year) w/ 60" deck.
1100hrs

Last edited by MISparty; 08-12-2019 at 10:15 AM.
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post #6 of 24 Old 08-13-2019, 12:03 AM
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

There is no trick to the front nuts. It should have been welded on but hey, that costs money. Do not tighten the front bolt but put it on first and then go after the rear. Yes, you will need longer bolts for the rear axel. Usually, you take your shorter bolts to the seller so he can use them to put his axle back to normal. Also, do the same with the pressure relief valve. If you take out your old regular one he can put it in with the other regular one. Do the same with the relief arm. His is wrong now for his tractor and your old one will not work with the loader. I have installed/uninstalled several and if you do it one side at a time there is no need to remove the wheels or for the axel to move if you keep the weight on the wheels. The hard part is the last of the rear bolt and holes to line up with the axle holes. DO NOT TIGHTEN ANY OF THE BOLTS UNTILL ALL ARE IN PLACE. The one area that I had difficulty with one loader was where the two frame sides meet under the tractor. The manual said to put the right side in front of the left side when installing it. I simply could not do it and went with the left side on top of the right. That 3/16 inch thickness of the bracket is how much my rear bolts were off of the axle holes on the right rear. Take your time and do it right. I had no help with any of mine so you can do it too.
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post #7 of 24 Old 08-13-2019, 08:32 AM Thread Starter
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

Thanks, Rudy!

I'll probably have to order new bolts all the way around as he goobered up the ones pretty bad and they're still on his tractor which is about 3 hours away.

I would imagine they're available for order from the dealer. ...I just don't have the part numbers. I'm also assuming that these part numbers are in the manual when I get it, but if someone has them handy, I would appreciate it.

JD 445 ~2001 w/ 60" deck. JD 3pt Hitch (SOLD)
1200hrs

JD 455 ~1998 w/ Rear PTO and 60" deck, and 47 blower. Ruegg Cat1 3pt Hitch. 40 Loader w/ loaded Duros
1700hrs

JD 455 - 1993 (1st year) w/ 60" deck.
1100hrs
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post #8 of 24 Old 08-13-2019, 11:32 PM
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

Common grade 5 bolts, available at most hardware stores, are all that I used for my loader.

Bob

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post #9 of 24 Old 08-15-2019, 12:34 PM
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

Parts You will need for Your 455
AM121248 Pressure Relief Valve 425 thru 455
Also order M146148 free-wheeling valve control lever

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post #10 of 24 Old 08-15-2019, 06:54 PM
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

You should be able to find longer bolts at TSC or a hardware store. Remove one and take it with you. Pick new 1/4 longer.


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post #11 of 24 Old 08-20-2019, 08:31 PM Thread Starter
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

Whew - a LOT of work done with thanks to all of you and this forum.

Tractor

* Lock-out valve..installed. Quarter-Turn from Aux-Hyd. So simple, and took less than 10mins

* Pressure relief valve installed
- IMPORTANT - a 1 1/16" wrench makes things a lot easier.

* New Free Wheel lever installed

* IRV shimmed
- Pressure started at 900 and ended up at 1300

No leftover or missing parts.....and nothing exploded. I'll still wonder if I did everything right, but nothing catastrophic yet



Tires

Picked up some Duros and an extra set of rims. Had Rimguard installed.




Loader

* Subframe wire-wheeled and painted

* Obtained longer frame bolts.







Now - next question:

I'm assuming once the subframe is installed, I can still install/run the mower deck. Is there any issue with the drive shaft and the brace that connects the two sides of the subframe?


Thanks!!
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JD 445 ~2001 w/ 60" deck. JD 3pt Hitch (SOLD)
1200hrs

JD 455 ~1998 w/ Rear PTO and 60" deck, and 47 blower. Ruegg Cat1 3pt Hitch. 40 Loader w/ loaded Duros
1700hrs

JD 455 - 1993 (1st year) w/ 60" deck.
1100hrs

Last edited by MISparty; 08-20-2019 at 09:01 PM.
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post #12 of 24 Old 08-21-2019, 07:02 AM Thread Starter
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

Well - found my first problem

I ordered M146148 free-wheel lever to accommodate the higher THRV and I thought the install went well.

Got everything buttoned up and drove it down to the barn. I never need to use my free-wheel lever, but wanted to see if it would engage.

When I moved it "up" to free-wheel, I could push the tractor forward with what felt like a little resistance. I could not pull the tractor backwards, and that's obviously not right.

When I moved the lever "down" to supposedly lock it (as you would do for normal use), I could still push the tractor forward with a little resistance, and could not pull it backwards. It seems as if the lever doesn't "sit" all the way down, and comes back up about a 1/2"



How in the world did I screw this up? I'm assuming there's only one way for this to be installed. Could it be bent? I know I need to pull it apart and get back in there, I just wanted some informed opinions before I did so.


Another concern is did I do any damage driving it with it possibly 1/2 engaged?



Unfortunately, I need to hit the road for work and won't be able to get pics until Friday afternoon - I just want to get some ideas before then.

Thanks a lot

JD 445 ~2001 w/ 60" deck. JD 3pt Hitch (SOLD)
1200hrs

JD 455 ~1998 w/ Rear PTO and 60" deck, and 47 blower. Ruegg Cat1 3pt Hitch. 40 Loader w/ loaded Duros
1700hrs

JD 455 - 1993 (1st year) w/ 60" deck.
1100hrs
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post #13 of 24 Old 08-21-2019, 01:41 PM
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

Quote:
Originally Posted by MISparty View Post
Well - found my first problem

I ordered M146148 free-wheel lever to accommodate the higher THRV and I thought the install went well.

Got everything buttoned up and drove it down to the barn. I never need to use my free-wheel lever, but wanted to see if it would engage.

When I moved it "up" to free-wheel, I could push the tractor forward with what felt like a little resistance. I could not pull the tractor backwards, and that's obviously not right.

When I moved the lever "down" to supposedly lock it (as you would do for normal use), I could still push the tractor forward with a little resistance, and could not pull it backwards. It seems as if the lever doesn't "sit" all the way down, and comes back up about a 1/2"



How in the world did I screw this up? I'm assuming there's only one way for this to be installed. Could it be bent? I know I need to pull it apart and get back in there, I just wanted some informed opinions before I did so.


Another concern is did I do any damage driving it with it possibly 1/2 engaged?

Thanks a lot
You didn't. Normal. In freewheel mode some of the fluid in the motor is lost to the reservoir and won't be replaced until the engine is running and the hydro is operated.

Bob

Click for The Hydraulics Forum!

Sometimes you get on a roll, sometimes the roll gets on you.

In Service
MF GC2310, Husqvarna YTH20B42T

Down for Repairs
MF1655 w/ FEL, MF1655, MF12H, MF8H, MF7H
Spending too much time on MTF to work on my toys.
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post #14 of 24 Old 08-21-2019, 06:55 PM
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

MISparty,
No issue between cross brace and mower deck drive shaft or front PTO shaft for snowblower, broom, etc.

Sent from my Moto Z (2) using MyTractorForum Free App mobile app

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1995 John Deere 455 (Diesel)
54" mower deck
Model 40 Loader
54" front blade
47" snowblower
51" broom
3 cubic foot Tractor Trunk
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post #15 of 24 Old 08-22-2019, 11:22 AM Thread Starter
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Re: Found a 40 Loader - what's next? Shim, Relief Valve, Front Tires?

Quote:
Originally Posted by itsagaas View Post
MISparty,
No issue between cross brace and mower deck drive shaft or front PTO shaft for snowblower, broom, etc.

Sent from my Moto Z (2) using MyTractorForum Free App mobile app

GREAT news - thanks alot

JD 445 ~2001 w/ 60" deck. JD 3pt Hitch (SOLD)
1200hrs

JD 455 ~1998 w/ Rear PTO and 60" deck, and 47 blower. Ruegg Cat1 3pt Hitch. 40 Loader w/ loaded Duros
1700hrs

JD 455 - 1993 (1st year) w/ 60" deck.
1100hrs
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