The fan that cools that HST on the bx22 is a cheap plastic fan that is not well protected from branches that flip up under the tractor. I lost several blades off mine, so I ordered a new one (well 3 new ones to be exact). They are cheap, only $4 but it's not a 5 minute job! I tried to do it from underneath without removing the floor pan, but it just was not possible. I could not get the propeller shaft out of the way to get the fan off, so I had to remove the floor pan. First a picture of the broken fan before I replaced it:
BX22 HST Fan and Shaft Dust Boot Replacement
- Thread starter Mike_C
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- kubota bx22
I found that just unbolting the propeller shaft was not enough. I had to remove the flanges to get it out of the way. To do this requires inside snap ring pliars. I also replaced a broken dust boot on the shaft in the process. Warning, after you remove the inside snap ring and pull out the shaft, there are 4 ball bearings on each end that tend to fall out and roll away! Don't lose them! Attached is a detailed photo of how the shaft mates into the flanges on both the engine side and the HST side:
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ericbx1500
Gold Member
with the pan off looks like easy access to lube any pivot points on levers and rods.
jeffmazz
Silver Member
Mike,
Nice job. Thanks for the comprehensive how to on the fan replacement. Pics were great. Your efforts are certainly appreciated.
Jeff
Nice job. Thanks for the comprehensive how to on the fan replacement. Pics were great. Your efforts are certainly appreciated.
Jeff
