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My 1948 National Service Data book shows the 1935 845 to be a 3.5″ x 5″, 385 cu. in. engine.

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The only source I found that reproduces the original rubber pattern is in Canada. Kris Arneson did beautiful work on my 1703.

http://runningboardrubber.com

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The instruction in PASB 97-5, applies only to the forward front spring bearings. The toothed nut is to be adjusted with a pin spanner wrench.

The rear shackle adjustment is with the proper pin length (and spacer washers as required). The bolt does not preload the bearings, and should tight.

Given the condition of your bearings, I would suggest replacement with modern needle bearings; these are available from Dave Murray.

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My model 1703 molded firewall cover came from Quiet Ride Solutions. www. quietride.com. ph 209-942-4777

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Sorry Jak, I cannot agree with your math. These bearings are deep groove and are designed for zero end-play. They are to be adjusted via the Shackle bolt length with shims at every lubrication interval. This keeps all seven balls in each cage under load, thus about 125 lbs on a line contact – not a point load! I suspect, as you said that very few cars were properly serviced over their lifetime.

Happy motoring, Bob

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I must take issue with the discussion thus far. The criticism of the engineering of the ball bearing shackles is unwarranted. Suggestions of Brinelling failure in this application are incorrect. Brinell failure is associated with impact loading which is impossible at the end of a leaf spring. The failures I have seen have been due to failure of the felt seals after many years exposure to the elements, and failure to re-grease the bearings at the prescribed interval (every 20k miles).

This design subjected balls to an acceptable stress level of about 125 lbs/ball (7000 lb car on eight 7-ball bearings) which were deep groove, so loading was a line, not a point, load.

The only valid criticism is one related to the company decision to not install zerks for periodic lubrication, vice requiring dis-assembly at 20k mile intervals. This was a management decision, vice design engineering decision. The plan was to require dealer service instead or user, or local garage, maintenance. There were, undoubtedly, no Pierce-Arrow owners who would opt for personal periodic maintenance of spring shackles; it would be beneath the dignity of any who could afford the purchase price of a Pierce. I suspect that few cars were lubricated at the prescribed interval.

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The photo is the wiring arrangement on my 1703. Just out of the pic is the disconnect switch which is accessed under the front of the driver’s seat. Hope this helps.

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The only reproduction material that I know of for the original “Pantasote” is “Jonarts Classics Panatsote Replication”. I obtained it from The Haartz Corp, their part code “F12273678”, in 2005. Call Eric Haartz at 978-263-2741.

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My previous is related to Travelodge trailers. Sorry.

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I am also seeking the following:

1) An original of “The Arrow” Series 69, model 3. The pics in my Xerox copy lack detail.

2) Original sales brochures (or digitized copies of originals). One is a 6-page folder and the other is a large 8-page catalog.

3) Original type window weatherstripping. It has an unusual cross-section.

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If anyone has a link to an obituary, please share it here.

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PASB 80-1 says that 17″ wheels for 8’s and 12’s do not interchange, as the 12 wheel is 1/2″ wider. Anyone know the correct widths for 8 and 12 wheels?

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May I suggest revisiting PASB 2011-1 for a discussion of rebuilding Ross steering gears. It discusses (p2-3) the Alemite zerk found on Late 36-thru 38 PA’s, that they were intended to oiled, and that Alemite currently markets a lever-operated oil gun for that purpose. Note that the Ross box is vented (p4-5), so oil can be pressure delivered to the box until it exudes from the vent hole. After installation of modern lip seals, the box operates on transmission weight oil without leaking.

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My 1703 cooling system takes 38 quarts. I imagine that yours would be similar.

Bob

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Ed, in your 9/30/11 post above, you say that ….”you must not put too much oil on the chain, or you can get lifter tick at idle”. Could you elaborate on that comment? Does too much chain oil flow starve the lifter gallery? or??

Bob

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Inadequate chain oiling is well known to Pierce 12 owners. Seagrave engines did have an external oil line added. Seagrave ran a copper line from the frontmost plug in the rightside oil gallery to the top of the chain cover. The 1/4″ elbow at the cover was plugged with solder and drilled to allow only a drip feed to the chain. There is another difference, too. The Pierce pressure control valve in the oil pump is drilled (#52 drill) to allow some circulation thru the pump. When Seagrave fed some oil off to the chain cover, they blocked this hole with a ball bearing (and used a shorter softer control spring). I suspect they did this to ensure that the additional bypass flow would not reduce oil pressure to the engine bearings when idling at normal operating temperature. Pierce 12’s idle at very low oil pressure when hot. I used Seagrave fittings on my 1703 engine and it seems to work well (no road miles yet, however).

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Motor’s Factory Shop Manual (1937) shows clutch facing specifications for 1931 thru 1933 as 6-1/4 x 9-3/4 x .130 inches. My P-A parts list shows 1929 thru 1933 used the same clucth plate, p/n 701005. So, your facing should be .130″.”

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Another Winter project for the 1703; assist straps. A local guy scanned the pattern from my originals and stitched them up with a computerized machine. I had the edges of both the fronts and backs marrowed (that’s the overstitching around jacket patches)and hand sewed them together. He will do more, if anyone wants them, as he is keeping the software on file.

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1703 steering gear ready for reassembly. John Cislak provided the numbers for the modern lip seals (471744 and 471750) to replace the cork and leather originals. The loose balls are readily available at specialty fastener stores and the lever shaft needle bearings are still a current number (B-2016).

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One of a series of early PA photos in a Seattle family album.

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