[Healeys] Water Pump Vane Clearance

[Michael Salter]

You're correct Harold. That's much more clearance than normal.
As I recall the clearance on the earlier pump like yours is determined by a
tubular spacer on the shaft between the impellor and the 1st bearing.
They are pretty simple to disassemble (follow the workshop manual).

M

On Tue., Apr. 6, 2021, 12:19 a.m. Harold Manifold, <manifold at telus.net>
wrote:

> Hello,
>
>
>
> At long last I am getting organized to start reassembling of my AH engine
> (29D Series) and I was reading a later version of the repair manual than my
> original version. In the later manual it specifies the clearance between
> the vane and pump body as 0.020” – 0.030”. The clearance on my original
> water pump (the one with nut at the end of the shaft) is 0.100”. What
> should the clearance be for the first generation water pump? It doesn’t
> seem reasonable there should be such a significant difference.
>
>
>
> Harold
>
>
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