2520 200 hr Service: Transmission Suction Screen and Filter

[Joe Birk]

I have a 2008 2520 with 250 hours on it.

I performed the 'break in' service at ~65 hours including complete drain of the transmission/hydraulic fluid, cleaned suction screen, and changed filter. At that time I had the normal metal particles on the suction screen.

I am performing the above transmission service, and expected to see very little on the suction screen. To my surprise, the amount of metal shavings on the suction screen was similar to what I saw at the initial 65 hour cleaning. A few pictures are attached.

Is this normal to continue to see metal particles after the initial clean out of manufacturing residue?

Also, I have been trying to find a replacement for the transmission/hydraulic filter that is proprietary to JD, costs and arm and a leg, and my local dealer doesn't stock. I found this thread that cross references the AM116156 and the 2520 specified LVU800097. This tells me that these two filters are functionally similar, but dimensionally different.

I got the Wix equivalent of the AM116156 (for $8) and put it on. It will be very tight with the mid pto shaft collar, but might work. Has anyone else had any luck finding a suitable replacement for the LVU800097?

Thanks,
Joe

 

[thatguy]

I cant address the shavings, so i will leave that for others..

From my research and other postings on here, there dont seem to be readily available non-oem hydraulic filters available. On my 2320, the original filter was a donaldson, and even with that number I was unable to cross reference it to any other mfgs filter OR even find it on the donaldson website.

In my observations - these oem hydraulic filters are much heavier than a 'normal' oil filter. I can only assume that there are internal difference as well (filter material, filters density, pressure relieve valves, etc).

I just bought a hydraulic filter for my 2320 and a new/upgraded filter was $37 (vs $40 for the older filter). since it takes me 3 to 4 yrs to rack up 200 yrs, I dont mind spending that much for the OEM filter.

Brian

 

[Joe Birk]

Brian, Thanks for your comments. I seem to have the opposite experience as you with filters. The OE filter I took off seemed to have a thin shell, that was actually dented and dinged. The Wix filter I replaced it with was physically heavier and the shell seemed much sturdier.

After further investigation I have maintained the Wix 57103 on the transmission of my 2520. The larger diameter is close to the mid-pto, but there is sufficient clearance to R&R the pto shaft. The filter has a 16 micron nominal rating and according to Wix customer service has a flow rating of 12-15 GPM.

According to the attached schematic for the 2320 hydraulic system, the cartridge filter is in line after the low pressure charge pump at ~3 GPM capacity.

Assuming the 2520 system is structured the same, the Wix filter should have plenty of capacity in this position.

Anyone have a 2520 service manual to verify?

 

[beenthere]

Welcome to the forum.
When it comes to filters, I don't try to go the cheap route for a substitute. Not worth the headache nor the worry (that you obviously have from the OP).

If the cheap replacement doesn't do the job, is it worth the damage repair? Not in my book.