Hydraulic filter

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Mr. John
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Hydraulic filter

Post by Mr. John » Sun Nov 26, 2017 6:16 pm

Hey guys, would like to change the hydraulic filter on my 450D crawler. Is it simply screw the old one off and screw new one on? Or do I need to bleed pressure after?
I’m attempting to go through most of the dozer, changing fuel filter as well.
Cheers!

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amos
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Re: Hydraulic filter

Post by amos » Tue Nov 28, 2017 7:57 am

No bleeding/venting necessary on the Hydraulic filter. You will need to bleed the new fuel filter:vent is a hex head bleed "bolt" on the top of the fuel filter housing.
Look closely at your hydraulic fluid: if it's at all milky change it.
A complete fluid and filter change on a typical medium dozer is about $700.00 btw.I only use OEM filters and fluids.
Pushin hard or diggin deep life is good.
What's ahead is what matters. What's behind is already done.
A fool of a man is he who doesn't ask questions...
God gave us 2 ears and 1 mouth for a reason...

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Mr. John
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Re: Hydraulic filter

Post by Mr. John » Tue Nov 28, 2017 5:57 pm

Thanks Amos!

The hydraulic filter lies horizontal next to the seat. Any tricks to taking if off without making a mess?

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jsal
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Re: Hydraulic filter

Post by jsal » Wed Nov 29, 2017 4:52 pm

Their is also a filter in the transmission case that should also be changed !!



JIM

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Mr. John
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Re: Hydraulic filter

Post by Mr. John » Sat Jul 07, 2018 8:08 pm

Hey guys, I’m going through changing some of the filters and noticed one in front of radiator. I believe that is for the transmission. Looks to be the same number# filter as the engine oil.
To change the filter in front of the radiator do I need to bleed anything after, or do I just spin it off and spin the new one on? Where do I add transmission fluid after? Or do I even have to?

Appreciate the help guys. A real newbie here who is trying to pick up some general maintenance tips.

John

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DrLoch
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Re: Hydraulic filter

Post by DrLoch » Sun Jul 08, 2018 8:06 am

No bleeding required
450C Track Loader
291457T

Jim B
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Re: Hydraulic filter

Post by Jim B » Sun Jul 08, 2018 10:48 am

Use the dipstick under the seat to check the transmission oil level. You can add oil (Hy-Gard or equivalent) there if needed.

You are just starting on maintenance items to look at. If you don't have manuals you should get at least the operators (OM) to start with as it gives you information on most of the regular maintenance items. The technical (TM) manual would be next. I recommend you get the official John Deere manuals. You can purchase manuals, printed or CD from JD at: https://www.deere.com/en/parts-and-serv ... d-training . Lavoy might be source to check with, as well as eBay sometimes has used manuals. Be sure you get the right manuals for your model, Stan Disbrow has a post in the FAQ section (about the 17th one down the page) listing the manual numbers for different model machines.

You don't have to purchase the parts manual if you are good with looking parts up on line and printing pages as you need them. You can access the 450D parts (PC) manual on line at: http://jdpc.deere.com/jdpc/servlet/com. ... ervlet_alt. Put 450D in the Model Search box, or 1891 in the Catalog search Box, and you should find your parts manual.

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Stan Disbrow
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Re: Hydraulic filter

Post by Stan Disbrow » Sun Jul 08, 2018 10:56 am

Hi,

Since y'all are talking 450D, here are numbers for just that machine's pubs:


JD 450D

OM T80145
TM 1291
PC 1891

Stan
There's No Such Thing As A Cheap Crawler!

Have: '58 JD 420c 5-roller w/62 inside manual blade
Have: '78 JD350C w/6310 outside manual blade
Useta Have: '68 JD350, '51 Terratrac GT-25
Also Have: 1950 M, 2005 x495, 2008 5103 (now known as 5045D)

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Mr. John
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Re: Hydraulic filter

Post by Mr. John » Sun Jul 08, 2018 1:18 pm

Thanks guys!! I’ve changed the engine oil and filter, did the fuel filter, and now doing the transmission filter.

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