Craig Bentley wrote:
>
> -----Original Message-----
> From: owner-triumphs@autox.team.net On Behalf Of scott suhring
> Sent: Monday, November 10, 1997 12:28 AM
> To: triumphs@autox.team.net
> Subject: TR6 Gas Pump Valves
>
> Looking for some advice on rebuilding the gas pump on my
> '70 TR6. I purchased a rebuild kit from Moss (TRF did not
> have them in stock), removed the pump from the engine block.
> After cleaning the cover and upper casing (amazing how polished
> it looks after years of grease and dirt), I decided to install
> the new valves before cleaning the lower casing and replacing the
> diaphram, etc.
>
> Well, it was a tremendous effort just to get the old valves out
> (not the easy use of a screw driver as indicated in the shop
> manual). Went to install the new valves and it is very apparent
> that the bore for the valve to sit in is a smaller diameter
> than the valves (very slight variance but enough to deter the
> valves from even snuggly fitting into the seat).
>
> I have tried using an extended 1/2 socket which is the size of the
> valve and the opening allows for the extended side to face up into
> the socket on the intake side. The end result is the output valve
> to the carbs is in but slightly cocked, thus not level to the facing.
> I haven't tried bashing, I mean forcing the other valve in yet.
>
> Any tricks or words of wisdom to get this job done right? Will the
> pump work if the valves are slightly off, not being level as long as
> there is a good seal, which I am sure of since the valve is firmly
> wedged in its seat.
>
> Scott Suhring
> Elizabethtown, PA
> '70 TR6
>
> [] Scott I just finished rebuilding my pump on Thursday so I know exactly
> what you mean. What I ended up doing was "modifying" my Craftsman 1/2" deep
> socket so that it would just barley fit into the hole in the fuel pump housing
> where the valves seat. I then tapped the valves in until they bottomed out on
> the housing. I really don't know if it will effect the fuel pump operation if
> the valves are not in the holes square but being as they do have gaskets in
> the bottoms of their bores I suspect that it may. Best of luck Craig
> Bentley 71 TR6
When I did mine I found the metal was peened over the valves and I too
had a devil of a job getting the old ones out. To get the new ones in, I
put the pump body in the oven at 200 degrees, this expanded the holes
enough the valves dropped right in.
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