TYang@compuserve.com writes:
>As I discovered when I bought the 13" unit, I realized that it would not
>simply bolt on (does anything?). The center hole of the fan was too
>small
>to clear the water pump shaft, and the bolt spacing was also not wide
>enough for the bolts to line up. The bolt spacing was solved simply
>with a
>"rat tail" file, and some "eye balling," but my concerns were with the
>centering of the fan to the water pump. Removing the material from the
>fan
>was not a good option because that would probably make the fan too weak
>to
>operate safetly, so a spacer was probably the best way to go. I did some
>measurements, and decided I could go 0.5 inches forward, and still have
>enough clearance from the radiator. This would give me enough room to
>clear
>the nose of the water pump with the fan, and solve my problems. I had
>the
>machine shop at work make me up a spacer with a nipple on the other end
>so
>the fan would center correctly and everything would remain balanced.
>Without centering everything, my concerns were that the vibrations from
>this rotating fan would eventually ruin the water pump bearing. I can't
>wait to bolt this whole thing together later this week. I just need to
>stop
>by the hardware store for longer bolts!
I had the same problem with my fan. I solved the bolt hole problem the
same way. The center hole, however, I had drilled out for $10 by a
machine shop. Well worth it, IMHO, to save any worries on operation.
CNA
|