ARMY TM 5-5420-212-10-1MARINE CORPS TM 08676A-10/1-1d.Jack Post and Jack - Double StoryA launching nose pin is used to connect the jack post to the outer brackets on the bankseat beam, secured by aretainer clip. The pin is inserted from the inside and must not be pushed too far such that it fouls the sloping section of thebankseat beam baseplate. On double story bridges the hook on the jack post is engaged on the bankseat beam ledge.The jack is placed on a double story baseplate and a jack support.4-73
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