Good point about the SCV's. I got 4 in the rear and 3 in the middle. The 4th in the rear is via 2 long hoses running to the mid SVCs (3rd function). I have a 3 way hydraulic blade and also a hydraulic top link, so I needed a total of 4 and my model was only offered with a max of 3.
I was able to pop the plastic vents in the cab and replace the interior air recirc filters as well. They were nasty:
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Having new fresh and recirc air filters (the old ones were the originals from 2012, 1050 hours ago) made a HUGE difference in the amount of air coming from the vents. I probably got about as much volume with a fan setting of 2 now compared to 4 before with the clogged filters. I'll definitely start replacing these more often going forward!
While I was at it, I replaced the front axle fluid as well as the front hubs:
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With all that done, I hooked up the FEL and went driving around for about 20 minutes, raising and lowers the FEL and dumped and curled the bucket a bunch. Also raised and lowers the 3pt hitch and worked the top link in and out. After all that, I pulled back into the shop and retracted all cylinders:
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Waited 5 minutes and checked the fluid level:
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So I'm a bit over. Figured I'll put the front grabble on next and the 3-way hydraulic blade (might need that anyway come Monday morning as they are calling for 5-8 inches Sunday night). This will allow me to work the fresh fluid out into those implements. Afterwards, I'll check the level again and then drain out enough to get back to a few ticks below the full mark with all implements in the retracted position.
I'm finding it very difficult to remember to NOT put the range selector in Park when shutting down. I guess that muscle memory from 12 years of always doing that, lol. But it seems to be fine doing that, so maybe I'll keep doing it. After all, they did adjust it to supposedly not do that again, at least not until something wears/drifts out of alignment again.