Needed - Water Pump for 1931 8-98

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11 Aug 2016 16:40 #31501 by curtiss
curtiss created the topic: Needed - Water Pump for 1931 8-98
I am looking for a good or rebuild-able water pump for out 1931 8-98.

The one I have has a small drip and should be rebuild but I do not want to miss out on a few shows while it is being rebuilt.

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11 Aug 2016 16:42 #31502 by pete kelly
pete kelly replied the topic: Re: Needed - Water Pump for 1931 8-98
Did you make sure the grease is getting to the bushing?
Do you use waterpump grease?
Did you try tightening up the gland nut?
Pete

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11 Aug 2016 16:52 #31503 by curtiss
curtiss replied the topic: Re: Needed - Water Pump for 1931 8-98
Pete, I did snug the nut a bit but have not done grease yet. How tight should the nut be? I did not even realize there is water pump grease, where can that be purchased. That could be part of the issue.

It is a very small leak when it is running, seems to quit when parked.

The other thing I need to do is some how test if the pump is flowing water, I have changed everything but the water pump and radiator at this point :)

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11 Aug 2016 17:41 #31505 by curtiss
curtiss replied the topic: Re: Needed - Water Pump for 1931 8-98
I found these two at Restoration Supply, is there a preference?

- Water Pump Grease 115 Calcium grease, NLGI # 4. Ideal water pump lubricant. 14 oz can. LUB003

- Penrite Water Pump Grease NLGI 4, Calcium based, waxy 50 grams LUB028

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12 Aug 2016 07:21 #31510 by Ivor
Ivor replied the topic: Re: Needed - Water Pump for 1931 8-98
Hello Curtiss,
In your previous post about over heating your test showed a differential three time more than I would expect normal, this to me indicates poor water flow due to core or other blockage or fault with the pump. To eliminate the pump I recommend you dismantle and inspect the pump. The pump is simple with few parts, though you will need to make a new gasket. Before removing shaft and impeller assembly I would back off the gland nut a few flats to allow the packing to relax this way you should not need to repack the gland. I would check condition of impeller though it would need to be very corroded with broken with missing vanes to give poor flow. Check the impeller to shaft dive pin is not sheared and check the tongue and spigot drive is not disengaged or worn out causing the pump shaft not to turn, if the pump is rotating and checks out OK the the problem is elsewhere. The photos are the main parts of the pump, New Bronze impeller and shaft assembly, shaft bush and gland packing.
Attachments:

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12 Aug 2016 07:26 #31511 by Ivor
Ivor replied the topic: Re: Needed - Water Pump for 1931 8-98
Hi Curtiss, I forgot to include this, A quick check to see if the water pump is working at all is to squeeze the pump outlet hose together with the hand and rev the motor, the hose should expand if the pump is working.

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