[AT] IHC H water pump packing

[Cecil Bearden]

In my old days as a maintenance engineer for a hospital, the chief 
engineer had about 50 yrs experience when I came on board. He would 
tighten the packing nut until the shaft would only "sweat"a drop or two 
every 15 minutes.   He told me that this kept the packing from burning 
the shaft and still held water.   This was the procedure on all the 
circulation systems for heating, cooling, and hot water.  I would 
tighten it until it might stay damp, but not have any real noticeable 
leak overnight.   As long as you do not have any animals that would lick 
the antifreeze, then there isn't a problem.

Cecil in oKla


On 5/1/2017 8:01 PM, Len Rugen wrote:
> I used my H a few weeks ago, then noticed the front tires were wet.  It was about 4 quarts low, so I pressure tested the system.  At first, I couldn't find a leak, then I found a slow drip off a fan blade.  After tear down, I found the packing nut was just finger tight, which is probably the cause.  I tightened it about 1/2 turn and couldn't turn the pump shaft with my fingers, backing off about 1/6 or a little less lets me turn the shaft.
> How tight should I tighten the packing nut?
>
> Len Rugen
>
> rugenl at yahoo.com
>
>
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