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Re: TR6 Gas Pump Valves

To: Craig Bentley <MMBENT@classic.msn.com>
Subject: Re: TR6 Gas Pump Valves
From: stu.jo@ibm.net
Date: Mon, 10 Nov 1997 09:11:02 -0800
Cc: scott suhring <suhring@lancnews.infi.net>, triumphs@Autox.Team.Net
References: <UPMAIL06.199711100325220823@classic.msn.com>
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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