Posted by rhtx55 on February 25, 2015 at 17:14:46 from (68.191.209.251):
In Reply to: 400 fast hitch posted by rustyone on February 23, 2015 at 18:49:06:
Remove the dipstick from the hydraulic reservoir use a bright flashlight and see if it's milky or full of bubbles. If so I would drain it, remove the filter on the side ( four bolts) flush as well as possible & replace or clean the brass mesh filter & it's gasket & fill with new oil.
I use straight hytrans in my F300 for the hydraulic oil.
Is your leak coming from the air breather on the top left of the PTO housing? That would be an indication of the PTO oring that is between the unit & the rear end, there is also a seal that is visible around the shaft. There is also an oring around the actuating lever on the right side.
The drain is on the bottom left side looking forward of the pto housing and uses 20w oil (I used hytrans there as well, 20w is pretty noisey) The fill plug is same size right above it, fill to that level.
If it continues to puke oil out the breather then the oring on the front of the PTO unit is bad and leaking rear-end oil into the PTO housing. (has to go somewhere)
If the hitch is slipping down (over time), as advised above, I would rebuild the cylinder first. Then the check valve one hose hooks to on the side of the battery box would be the next thing I would replace the orings in.
I know they are a bit pricey, but I got all my orings from C-IH by p/n from the parts book. The numbers will change quite a few times, but, at least that way I know I have the right one, and only have to fix it once. Your mileage may vary.
This post was edited by rhtx55 at 17:27:29 02/25/15 3 times.
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