Sec. 6-Fig. 75 (Rev.-9-1977)(Drawing Redrawn 9-1977)TRAILER PORTION, TANK RECOVERY UNIT-FLAT CARSItemNo. of Pcs. DescriptionABrake wheel clearance. See Fig. 2, Sec. 1.B2Lumber, 6 in. x 8 in., length about equal to width of floor. Chamfer 2 in. at point of contactwith tires. Locate against front of front tires and against back of rear tires and toenaileach to floor with six 40-D nails.C3 ea.-Item "B".Each to consist of lumber, two pieces, 2 in. x 4 in. Locate against Items "B", lengthwise ofcar, one near each end and one in the center. Secure lower piece to floor with three 30-Dnails and top piece to one below in like manner.D4Lumber, 2 in. x 4 in., long enough to extend to outside faceof Items "B". Locate one againstinside and outside of each intermediate wheel, on top of Items "B", and secure to each Item"B" with four 30-D nails at each end.E3 ea. side. 3/8 inch, 6 x 19, IWRO wire rope. Apply wire rope so as to form a complete loop between thetiedown points on the vehicle and the stake pockets. Ends of cable should overlap a mini-mum of 16 inches and be fastened with four 3/8 inch cable clips spaced approximately 2inches apart. The angles of tiedown should approximate 45 degrees.F2 ea. side.Stakes or green saplings.G16 in. x 6 in. timber, length equal to width of car floor. Locate against front of forward part ofunit and toenail to floor with six 40-D nails.H2Each to consist of two pieces of 2 in. x 4 in. lumber, length to suit. Bevel one end to 45 degreesand locate one near each side of unit against Item "G", lengthwise of car. Secure lowerpiece to floor with three 30-D nails and top piece to one below in like manner.J2Lumber, 4 in. x 4 in., diagonal braces, length to suit. Out ends to fit and locate against thebeveled ends of Items "H" on-a 45 degree angle between unit and floor. Secure to Items"H" and floor with three 30-D nails at each location.K2Each to consist of two pieces of 2 in. x 4 in. x 12 in. lumber. Bevel one end of top pieces to 45degrees. Locate against Items "J". Secure lower piece to floor with three 30-D nails and toppieces to one below in like manner.L12 in. x 4 in. lumber, long enough to extend to outside face of Items "J". Locate near top endsof, and secure to Items "J" with three 30-D nails at each end.Notes:1.Suitable fillers nailed to floor of car must be applied between sides of unit and side stakes, Items "F".2.Hand brakes must be set and levers wired or blocked.See General Rules 1, 2, 3, 4, 5, 9, 10, 14, 15, 19-A and 19-B for further details.E-97
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