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#11
04-12-07, 05:55
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Here is the expander assembly. I think part of the reason why the central piston pulled out was that there were no cotter pins in the housing. The parts manual shows them as # GB 1407 Pin split and replaced by # 72089 S2 Pin 1/8" x 1-3/4" cotter. If they had been installed it would have limited the amount of travel that the two sliding plungers have. I have marked the various locations with the red arrows for clarification.
The odd thing is that the Maint. manual has no mention of the cotter pins.
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Jordan Baker RHLI Museum, Otter LRC C15A-Wire3, 1944 Willys MB, 1942 10cwt Canadian trailer 
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Threaded Mode