K46 oil change with pictures
9 years ago
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k46 transmission
Comments (3)Clean the exterior of the TA to prevent dirt from coming in. Using the same logic of keeping things out that don't belong, you will need to crack/ split / or pry the plug out. It may be necessary to invert the unit or even possibly drill to help extract it. You may have a better idea once you receive the replacement plug....See MoreTuff Torq K46 Tranny
Comments (80)Thanks to this Thread I was able to repair the LT180 I just bought at an auction. All was good until about 30 minutes of mowing when the world stopped turning and the machine was barely moving. After reading all the info above I took a slightly different approach to remedy the slow trans-axle condition. Taking the least aggressive path, I was curious if just a fluid change would make a difference, I decided to jack the rear end up and pop a couple drain holes into the Axle cast housing where Tuff-Torq suggests. Here is a Link https://www.tufftorqservices.com/EnvEEdefault/FlatHTML/TechInfo/ttcoil/pdfs/K46%20Drain%20Port%20Location.pdf I used a 1/8 stubby drill as not to injure any interior components, both holes drained over night. I then added 2 self tapping screws 1/2 inch long with a neoprene washer. Without the deck on the machine I was able to reach under the frame and pop the fill hole cover off using a stubby flat screwdriver. I cleaned up the magnet and filled the unit. 24 inches of 3/8 clear tubing and a small funnel allowed me to add back the 2 quarts of cheap 10-30 oil for my test. Popped the magnet and cap back in place and DONE! I am pleased that the result was success, the machine runs very well without growling and slowing after 30 minutes of use. My intention is to replace the 2 small drain holes with real drain plugs after about 5 hours of use and refill the unit with synthetic oil for hopefully many more years of use. Happy Mowing!!...See Moretuff torq k46
Comments (12)Big Shark, I have ran into the same issue you original post talks about. My K64 has oil on it, it sounds like a power steering pump on a car when it is low on power steering fluid. The mower has lost power going up hills, and the longer it runs the worse this gets. I found on mine that the oil came from a cap that fits into the casing towards the front of the mower from the rubber capped vent. The cap that was in this hole, fits very loose. I'm able to stick my finger in the hole where this cap is and hook my finder feeling into the case. The cap here is shaped like a quarter with a couple of slots cut in it, with another quarter welded to it perpendicularl. The section with the slots face down into the opening. My questions is what goes in the hole over the double quarter shaped cap? There has to be something, other wise dirt could just pour right in. After you filled yours with the 5w-50, is it still doing well? If so I will fill mine with the same thing. I will probably fill it, run it, drain it, and re-fill it a few times; I image it has some dirt in it....See MoreK46 oil change notes
Comments (18)there is minor play in two directions an mine . pulley moves up and down along shaft a small amount, due to normal looseness from use of a spring spacer in that assembly. separately there is side to side play allowing pulley to rotate on shaft slightly before splines on shaft are fully engaged. I would expect a pulley to fit snugly onto the splined shaft since leaving it loose will encourage accelerated wear of splines. Interestingly, there is a similar amount of rotational play with the plastic fan on the same shaft. That seems to suggest that there was some play in both pulley and fan on shaft from new, since by now the pulley would have seen a lot more force and wear than fan. It was the fact that there was some play in both fan and pulley that prompted my original question to see if when new there would have been no play or if a little was normal....See MoreRelated Professionals
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