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10-11-2010, 06:06 PM | #1 |
Senior Member
Join Date: May 2010
Location: wheeling west virginia
Posts: 231
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Water Pump Packing
When putting new packing on the water pump shaft [1931] does it make a difference which way the packing is wrapped, been told to wrap the way the engine turns, also been advised to make small circles and to alternate so all seams are not lined up...put new packing on in one peace, wrapped same way engine rotates but the packing nut keeps comming loose and I lose water..any suggestions or remendys to solve this problem..?
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10-11-2010, 06:27 PM | #2 |
Senior Member
Join Date: May 2010
Location: Eastern Tennessee
Posts: 11,519
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Re: Water Pump Packing
My suggestion or remedy is to replace it with a Leakless Water Pump but evidently you don't want to go that route so let's see what we can do.
With the packing gland nut totally removed, look at the shaft and make sure there is no scoring. If there is, it is unlikely you can get it to make a total seal. Also, is there play fore & aft with the shaft? If so, you will find this causes them to leak too, --even with new packing installed. Generally if the nut will not stay tight, it means it has been over-tightened and/or the threads are stripped. Any of the above symptoms are great reasons to consider a new pump IMO!! . |
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10-11-2010, 07:50 PM | #3 |
Senior Member
Join Date: May 2010
Location: Cincinnati, Ohio
Posts: 798
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Re: Water Pump Packing
If you determine that the pump shaft is good, as per Brent's suggestion, then a typical packing kit consists of a couple of packing rings and some "string like" material that can be put in as needed. There is a procedure for putting the packing rings around the shaft. I'm going to type the instructions from the instruction sheet that came with my kit:
"Installation notes for preformed foil packing rings. Slowly twist ring until it can be slipped over shaft. Slowly close and push in place with the peak side toward bushing. Do not spread (pull apart) as this tends to delaminate ring. New installations geneally use three; maintenance one or two." Also, as Brent suggested, DO NOT OVERTIGHTEN! With the engine running, slowly tighten the nut ONLY until the water stops leaking. I further agree with Brent that a leakless pump is prefered, but for the cost of the packing material, it's worth a shot. Jack
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Cincinnati, Ohio |
10-11-2010, 11:04 PM | #4 | |
Senior Member
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Water Pump Packing
Quote:
If the pump is being rebuilt, using the rear brass bushing with a double lip seal is the only way to go. |
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10-12-2010, 01:56 PM | #5 |
Junior Member
Join Date: Sep 2010
Posts: 3
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Re: Water Pump Packing
where could i get this foil packing ring
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10-12-2010, 03:01 PM | #6 |
Senior Member
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Water Pump Packing
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