Ed:
I just rebuilt my fuel pump on the '59 TR3. Unless you are replacing
the lever arm cross shaft and bushings, it is a pretty straight
forward process. Clean and glass bead both halfs of the pump (it will
look new again), make sure the fuel passages are clean (blow out with
compressed air), install the new valves that fit under the holding
plate (be sure you put them in the correct orientation which the
manual does a good job explaining) and install the new diaphragm with
oil seal. This last step is probably the trickiest of all. Be patient
and follow the manual (when you disassemble the old diaphragm, draw a
diagram of the position of the tab before removing and the position
it is in after turning the diaphragm clockwise to disengage the
base of the shaft from the lever). Be sure the holes in the
diaphragm line up with the correct holes that are threaded since
if you line them up with the wrong holes, you can actually tap the
threads screwing in the screws if enough force is used (don't ask).
Any questions, let me know.
Scott Suhring
Elizabethtown, PA
'70 TR6
'59 TR3
Popnglo@aol.com wrote:
>
> Can anyone recommend a procedure (or suggest a site that has one) for
> rebuilding the AC fuel pump for a TR3A. I've picked up a used pump (thanks to
> Sumner) and TRF rebuild kit, however I have never done it and I thought that
> a procedure or any wise suggestion may come in handy before I start. In
> intend to replace this rebuilt unit for the aftermarket one that's on the
> vehicle now, keeping the aftermarket for a spare. Any suggestions, procedure
> or advice appreciated.
>
> Also, I intend to install the fuel tap at the time I install this rebuilt
> pump. My understanding is Triumph at the time of this vehicle's commission
> number had deleted this tap for cost saving (according to Piggot). In any
> case there isn't one. Is a petcock, similar to motorcycle type preferable? Or
> is there an alternative (MOSS or TRF units good quality repro's?). I'd rather
> stay original (my understanding though is that the original was prone to
> leaks), but what the heck, it's got electronic ignition and the gear
> reduction starter, as it is, among other things that may only gain points in
> the funcours judging.
>
> Best Regards,
> Ed ('58 TR3A)
> nearly 8000 miles in this past 10 months
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