Sec. 4-Fig. 21 (Rev.--3-1965)CRAWLER TYPE MACHINES-ROTATING BODIES-BOOMS DETACHED--FLAT CARSItem No. of Pcs.DescriptionA2Brake wheel clearance. See Fig. 2, Sec. 1.B24 in. x 6 in., hardwood, length equal to that portion of crawler tread resting on floor. Locate on floor,against crawlers, and secure each with four 5/8 in. dia. bolts or eight 60-D nails. Substitute, if desired,four pieces, 4 in. x 6 in. x 4 ft. Locate as shown and secure each with two 5/8 in. dia. bolts or four 60-D nails.C24 in. x 4 in., hardwood, long enough to fit between items "B". Secure each to floor with two 5/8 in. dia.bolts or four 60-D nails.D44 in. x 6 in. x 21 in., hardwood, for machines weighing 45,000 lbs. or less; 6 in. x 6 in. x 21 in.,hardwood, for machines weighing over 45,000 lbs. Toe-nail each to floor with four 40-D nails. Notrequired when items "P" and "Q" are used.E46 in. x 6 in., hardwood, length to suit. Locate on top of items "D", with one end against crawler and secureeach with two 5/8 in. dia. bolts, items "F". Not required when items "P" and "Q" are used.F85/8 in. dia. bolts, with nuts and washers, long enough to pass through items "E", "G" and floor.GAs required.4 in. x 4 in. x 18 in., hardwood cleats, or 1/2 in. x 4 in. x 18 in. plates.H42 in. x 4 in. x 18 in., hardwood. Locate on floor with one end against item "E" and secure each with six30-D nails.J14 in. x 6 in., hardwood, length to suit, for machines weighing 45,000 lbs. or less; 6 in. x 6 in., hardwood,for machines weighing over 45,000 lbs. Secure to floor with four 5/8 in. dia. bolts, with nuts andwashers.KAs required.Two 4 in. x 6 in., hardwood, for machines weighing 45,000 lbs. or less; two 6 in. x 6 in., hardwood, formachines weighing over 45,000 lbs. to 120,000 lbs.; four 6 in. x 6 in., hardwood, for machinesweighing over 120,000 lbs. They must be long enough to fit between item "J" and body of machine.L22 in. x 6 in., hardwood, length to suit. Locate against item "J" and secure each to floor with six 30-D nails.M22 in. x 6 in., hardwood, length to suit. Secure top ends to items "K" and bottom ends to items "B" with four30-D nails at each location.N22 in. x 6 in., hardwood, length to suit. Locate diagonally and secure ends to opposite items "K" with six20-D nails at each location.O41 1/4 in. diameter rods. Attach two at front and two at rear of rotating portion and pass through oppositestake pockets and items "P". 1 in. diameter rods may be used on machines weighing 45,000 lbs. orless. Substitute, if desired, 5/8 in. x 6 x 7 steel cable, doubled, for 14 in. diameter rods, or 1/2 in. x 6 x19 steel cable, doubled, for 1 in. diameter rods. Items "O" may be applied at front end of machine,crossed between rotating portion and crawler structure, or applied on same side of machine equippedwith two brackets cast integral on both rotating and crawler structures, providing two additional rods areapplied attached to crawler structure and passed through opposite stake pockets and items "P" orthrough floor and items "G".P1 ea. Item "O"1/2 in. x 4 in. x 10 in. plates. Not required when items "O" consists of cable.Q48 in. x 8 in. x 36 in., hardwood, cut to fit contour of crawler treads, for machines weighing 45,000 lbs. to120,000 lbs. Secure each with three 3/4 in. dia. bolts through floor and item 12 in. x 12 in. x 36 in.,hardwood, cut to fit contour of crawler treads, for machines weighing over 120,000 lbs. Secure eachwith three 7 8 in. dia. bolts through floor and item "G" Not required when items "D" and "E" are used.R 42 in. x 12 in. x 36 in., hardwood cleats, for machines weighing 45,000 lbs. to 120,000 lbs.3 in. x 4 in. x 18 in., hardwood cleats, for machines weighing over 120,000 lbs.Locate on floor against items "Q" and secure each to floor with six 30-D nails.Not required when items "D" and "E" are used.Loading machines with treads extending beyond floor of car is permitted, provided machines are centrally located on car andnot more than one-half of tread extends beyond outside face of side sill.Machines equipped with locking devices, including those with adjustable treads, should have such devices placed in lockedposition by shippers.For proper location of load on car, See Fig. 34.See General Rules 4, 5, 9, 14, 15, 19 and 19A for further details.F-34
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