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I have an old AC glass bowl fuel pump that doesn't appear to be in all that bad condition. It actually makes sucking sounds when the lever is actuated, but the diaphragm looks pretty iffy. NOS repair kits occasionally appear on ebay, but those were made before gasohol came along and don't stand up to modern fuel. The valves seem to be working, the gaskets I can fabricate, and it should be possible, with a bit of ingenuity, to fabricate a new diaphragm and attach it to the old pump stem, if I could find gasohol-proof diaphragm stock.
Has anyone here done this? Does anyone know of someone making repair kits for these things?
Bob S.
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‘62 PV544 (B20, M41), '71 142E, '93 240 Classic Wagon, ’52 Ford 8N.
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These guys carry lots of rebuild kits for the AC pumps.
http://www.then-now.com/
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Here... http://www.su-filters.com/fuelkits.html is a kit designed for the B16b engines, since you are (I think) looking for at a B20 application you would have no need for some of the parts for the H4 type SUs.
Here... http://www.su-filters.com/fuelpumps.html are pumps for exchange, though Volvo quit using the English AC type pumps about 1965. They may or may not fit your B20 properly.
Cheers!
OK
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Volvo quit using the English AC type pumps about 1965. They may or may not fit your B20 properly.
OK,
Thanks for the heads up. I'm not quite sure either. The dimensions all appear to be the same. I guess the best way to find out is to put it on one of my engines and see if it fits and, at least, goes through the mechanical motions, even if it won't pump fuel.
I'm fond of those old glass bowl pumps because you can see at a glance if they are working, rather than having to remove the fuel hose and spill gasoline to find out. Unfortunately, this one doesn't have the manual prime lever like on the ones I had on my "59 and "61 122Ss. Those were really fun. :-)
Bob S.
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‘62 PV544 (B20, M41), '71 142E, '93 240 Classic Wagon, ’52 Ford 8N.
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Hello,
Mechanical fuel pumps for all B18/20/30 engines are interchangeable, regardless of manufacturer.
The B16 A/C mechanical fuel pump is different, but uses the same repair kit as the glass bowl fuel pumps for the B18/20/30.
Pierburg made a performance mechanical fuel pump for Volvo that has a primer handle that was available through the R-Sport catalog.
I have never seen an A/C glass bowl fuel pump for a B18 with a primer handle, but you might be able to convert a B16 by changing the pump arm.
--
Eric
Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
Torrance, CA 90502
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I have never seen an A/C glass bowl fuel pump for a B18 with a primer handle,. . .
Neither have I, Eric. The ones I was referring to were on B16s.
I'm trying to identify the pump I have. I suspect it was on an early B18 because the 122S I bought in 1961 was one of the last ones made with the B16 and it had the primer handle, but am still not certain. (The way Volvo used to mix and match parts in those days, makes it hard sometimes to tell what is what.) There are no identification marks on it, except for "Made in England" on the flange below the outlet orifice, which has "AC" on it, and "7950582" on one side of the rocker arm and "32B" on the other. The valve retainer clip is absent, although it does have the screw holes for it in the casting, but these weren't tapped. The valves appear to be simply pressed in, and the casting doesn't show any of the punched distortions in the rim around the valves. It has been quite a while, but I seem to remember going through the lock punching exercise when I rebuilt B16 pumps, way back when.
Bob S.
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‘62 PV544 (B20, M41), '71 142E, '93 240 Classic Wagon, ’52 Ford 8N.
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Here is a photo of the B18 and B16 (foreground) AC fuel pumps... the photo is a little deceptive as there is more 'slack' in the B16 pump arm. I measure the effective angle between the pumps at around 10 to 12 degrees instead of the 'apparent' 27 in the photo.
You can change the "arm" or follower and use a "pump lever" type on a B18, the pivot points are the same as are the internal features. I have one that I use on my '68 B18b!
Most "lever" pumps (that I have seen) have the H type holder for the valves, a much better system than pressed or staked (IMHO). The few I have seen without the H clip I had assumed were early - perhaps they were the very late ones?
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Cheers!
OK
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A picture speaks a thousand words! ;-) Thanks.
What I have is definitely a B18 pump. The giveaway is not just the angle and the shape of the pump arm, but, even more convincingly, the number on it - the same as on mine.
If I decide to rebuild it I don't think I'll want to press my luck and try to install a manual primer.
Thank you all for the input.
Bob S.
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‘62 PV544 (B20, M41), '71 142E, '93 240 Classic Wagon, ’52 Ford 8N.
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I realise this thread very old, but so is the fuel pump. With the glass bowl and priming lever it is the best thing on the car and yes I believe it is original to my '64 1800S.
My question is, as parts are only now readily available to repair the pump diaphragm and valves, has anyone tried to remove the #12 Retainer P/N234003 to replace the #11 Seal Washer P/N234002? The seal should be easy enough to replicate, it appears to be rubber impregnated fabric weave, the retainer however needs to come out without damage because is unlikely to be available anywhere.
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As you can see from the parts book pic that one doesn't have the primer lever. I think they were dropped with the change to B18 from B16. A useful retrofit if you can find one, especially if you only use the car now and then. Saves a lot of unnecessary churning on the starter.
I haven't checked but I would expect that VP and the usual suspects can supply a refurb kit. Beware when fitting the pushrod through that frayed seal as is easy to damage it.
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Yup, old thread. Smart to start a new thread. I know Sil and Walrus3 have passed so you might not get a response from this thread.
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Will I buy another Volvo??? We'll see....
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I crossposted on the 1800 page as well because it was equally relevant but thought someone might have been still interested and didn't want to rehash the same material.
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A photo of the retainer and seal beneath.
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Heh! Sometimes I don't drive my 444 for a week or so and its nice to be able to "pump up" the the fuel bowls and get an instant start out of the old B16!
I am not sure when the levers were taken off the AC pumps, but I suspect it was in '62.
I am running an older "lever" type AC pump on my '68 B18b 220 (orig. engine) and I have had no problems with it.
Cheers!
OK
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The trigger prime and roller blind in front of the radiator made winter ops almost EASY!!
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George Downs, Bartlesville, Heart of the USA!
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I bought a rebuild kit from Olof:
http://www.vintageimportparts.com/
Not sure about the gasohol thing, but I haven't had any problems with it.
Best,
Cameron
Rose City
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I think Ted Brough on the 1800list got one somewhere.
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George Downs, Bartlesville, Heart of the USA!
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