Generator Support |
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sean
Moderator Group Sponsor Member Joined: 20 July 2005 Location: North Idaho Status: Offline Points: 7388 |
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Posted: 11 Feb. 2011 at 9:52pm |
Group 15-01 : Generator (click thumbnails to enlarge) p/n 640153 SUPPORT, generator, assembly p/n A-1395 INSULATOR, generator support qty. 2 p/n A-1397 BOLT, hex. hd., 5/16"-24 x 1 29/32" Insulator support qty. 2 2 different ones shown. Both identical in every respect, except one pair has a chamfered bolt end, while the other is flat. Fully machined bolts. Note the radius between 5/16" shank & large shoulder (2nd. photo): p/n A-1401 WASHER, flat, 21/64" I.D. With chamfered hole to clear bolt shoulder radius. p/n A-1396 WASHER, flat, 33/64" I.D. qty. 2 1 1/8" OD, same nominal thickness as A-1401 How they all fit together: (All dimensions measured from actual parts) Distance between generator mounting ear pads: 6 11/16" (inside, GDZ-4817 generators, 2 of them) Centering the generator ears on the rings, leaves .2187" gap on each end. This gets filled with the bushing & small-hole washer when it's all buttoned up. The small-hole washer (in green) gets clamped tight between generator ear & bolt shoulder. Note that this washer, no matter how thick or thin, does not use up any large shank space. It's primary purpose is to center the bolt shank w/in the mounting ring so the bushing sits on-center: The large-hole washer (in blue) slides on the shank, and does take up available shank space: Using the generator & mounting ear dimensions shown in the drawing above, the "ideal" washers are both .088" thick, giving these following installed dimensions. The .5" bushing channel would be dead-center in the .5" wide ring. The bushing flanges would undergo .019" crush each: Out of 2 sets of A-1396 large-hole washers, and 1 set of A-1401 small-hole washers, the measured dimensions are:
13 ga. steel is .0897" (+/- .005" cold-rolled, or +/- .007" hot-rolled), so I'd say they were stamped from 13 ga. Probably anything from .085" to .095" will work. Thinner puts less squeeze on the generator side bushing flange, thicker puts more. Regarding the "Chamfer" in the A-1401 small-hole washer: All 4 of my bolts have a radius (.030"-.040") between the 5/16" shank and the .5" shoulder. Others have found bolts w/out the radius. A plain-hole washer would not fit properly on a radiused bolt, leaving a gap (from .009-.015"). Onlys fits nicely on a non-radiused bolt: The chamfer eliminates any possibility of interference. Fits nicely on either type bolt: The full assembly: Sean Edited by sean - 13 Feb. 2011 at 2:56pm |
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mike in oregon
Member Sponsor Member Joined: 17 Jan. 2008 Location: Fall Creek Or Status: Offline Points: 1988 |
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Anybody have this info as I can only see the top few photos and can not see any of the how they fit together. Thanks, Mike
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MIKE IN OREGON
President of Oregon Flat Fender Club. http://www.facebook.com/pages/Oregon-Flat-Fender-Club/222864787838570 46 CJ2A 38007 46 CJ2A 79863 BANTAM T3-C 25314 |
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smfulle
Member Sponsor Member Joined: 16 Sep. 2010 Location: Ogden, Utah Status: Online Points: 6144 |
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Whatbrowser you using? I see all the pics on my ipad Safari.
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mike in oregon
Member Sponsor Member Joined: 17 Jan. 2008 Location: Fall Creek Or Status: Offline Points: 1988 |
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They are all there now. I have Explorer |
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MIKE IN OREGON
President of Oregon Flat Fender Club. http://www.facebook.com/pages/Oregon-Flat-Fender-Club/222864787838570 46 CJ2A 38007 46 CJ2A 79863 BANTAM T3-C 25314 |
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gshockxcc
Member Joined: 18 June 2020 Location: Houston, TX Status: Offline Points: 51 |
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Great stuff. Thanks.
Edited by gshockxcc - 07 Sep. 2020 at 12:00am |
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1948 CJ2A 151470
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Joe Friday
Moderator Group Sponsor Member x 2 Joined: 26 Dec. 2010 Location: Jeep Central Status: Offline Points: 3655 |
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640193 was superceded by 649818,and is available online for 30 bucks.
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