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Old 11-26-2020, 01:21 PM   #1
Mike34
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Default 34 Pickup Door Check Arm/Strap

Did the '33 or '34 pickups have a door check arm or strap? I don't see one listed in the hardware & trimming supplies book. And then I see that suppliers like Drakes list a check arm for the '32-34 pickups. What's the real story?

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-Mike
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Old 11-26-2020, 01:35 PM   #2
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Default Re: 34 Pickup Door Check Arm/Strap

Use a 35 to 40 one
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Old 11-26-2020, 02:10 PM   #3
Krylon32
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Default Re: 34 Pickup Door Check Arm/Strap

All 32/34 truck cabs used a check arm and not a strap.
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Old 11-26-2020, 02:10 PM   #4
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Default Re: 34 Pickup Door Check Arm/Strap

Originally there was a 1/2" x 1/8" arm riveted to a pair of tabs on the A pillar and curved on the end that inserts into a slot in the front of the door. A unique rubber bumper (B-46590) is attached to that end inside the door with a thick slotted washer (B-46596) and cup with tabs (B-46594) to secure the slotted washer. There are three pairs of notches at the door end of the arm in which the slotted washer is inserted providing three different effective lengths of the arm depending on the body type.

In addition a 1/4" thick rubber pad (B-80498 for commercial vehicles) was attached with two special #10-32 x 5/8" screws with a wide round slotted head on the inside of the front edge of the door. In the center of that pad is a slot through which the arm passes. So, rubber meets rubber in the original set up making for a soft stop. Except for the arm, all of the parts are shown in the various hardware catalogs of the mid-1930s. I believe that Bob Drake offers both the arm and the rubber bumper for the end of the arm with a different and easier to use means of retaining the bumper on the arm than the original setup. I don't recall anyone offering the pad attached inside the door, but it is easily made from 1/4" sheet rubber.

Last edited by DavidG; 11-27-2020 at 01:11 PM.
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Old 11-26-2020, 02:18 PM   #5
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Default Re: 34 Pickup Door Check Arm/Strap

Looking at the Drake online catalog, their rubber bumper on the door end of their arm is simpler than the original bumper as well.
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Old 11-27-2020, 10:54 AM   #6
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Default Re: 34 Pickup Door Check Arm/Strap

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Thanks you. this is the information that I’m looking for. The cab that I acquired is very bear bones (stripped of everything.) I’m trying to figure out out what’s missing and what I don’t know or can’t figure out from books. I’m writing notes on what I need to find and how it goes together. Thanks again.
-Mike
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Old 11-27-2020, 02:38 PM   #7
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Default Re: 34 Pickup Door Check Arm/Strap

Sacramento Vintage Ford
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File Type: jpg vintage check arms.jpg (67.9 KB, 28 views)
File Type: jpg odoo-new-header.jpg (130.6 KB, 5 views)
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Old 11-27-2020, 02:39 PM   #8
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Default Re: 34 Pickup Door Check Arm/Strap

I believe the B-80498 slotted rubber pad is to stop the arm from rattling, modern cars have a spring loaded clip here ,
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Old 11-27-2020, 06:29 PM   #9
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Default Re: 34 Pickup Door Check Arm/Strap

You're right, the pad does serve that function as well.


OLDMANKOHOUT, Thanks for the photo as it shows the pads and the simpler method of retaining the rubber bumper with a closed-slot washer and cotter pin. The pads shown are for passenger cars as the commercial version differs in that the holes for screws are centered over the slot.
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Old 11-28-2020, 06:01 PM   #10
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Default Re: 34 Pickup Door Check Arm/Strap

Thanks for the photo! I can now see what is being described. Big help.
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