Sec. 4--Fig. 22-C (Concluded) (Rev.--3-1965)
Item No. of Pcs.
Description
M
1 ea. Item "H"
1 in. x 6 in. x 18 in., hardwood. Locate against Items "D", opposite Items "H". Secure each
outside Item "M" with two 5/8 in. dia. bolts, Items "N", and each intermediate Item "M" to floor
with four 60-D nails. Not required when Items "K" are used at both ends.
N
2 ea. outside
5/8 dia. bolts, with nuts and washers. Pass through Items "M", "E" and floor. Not required Item
"M".
when Items "K" are used.
0
2
2 in. x 6 in., hardwood, length to suit. Secure top ends to Items "G" and bottom ends to Items
"B" with four 30-D nails at each location.
P
4
1 1/4 in. diameter rods. Attach two at front and two at rear of rotating portion and pass through
opposite stake pockets and Items "Q". 1 in. diameter rods may be used for machines
weighing 45,000 lbs. or less. Substitute, if desired, 5/8 in. x 6 x 7 steel cable, doubled, for 1
1/4 in. diameter rods, or 1/2 in. x 6 x 19 steel cable, doubled, for 1 in. diameter rods.
Items "P" may be applied at front end of machine, crossed between rotating portion and crawler
structure, or applied on same side of machines equipped with two brackets cast integral on
both rotating and crawler structures.
Q
1 ea. Item "P"
1/2 in. x 4 in. x 10 in. plates. Not required when Items "P" consists of cable.
R
VACANT.
S
1
4 in. x 6 in., hardwood, long enough to extend 6 in. beyond each side of boom.
T
4
4 in. x 6 in., hardwood, length to suit. Secure each piece to Item "S" with four 30-D nails and
to floor with five 30-D nails. Items "T" must be long enough to keep boom at least 6 inches
above top of sides and ends of idler car.
U
2
2 in. x 6 in., hardwood, length to suit. Secure to Items "T" with six 30-D nails.
V
2
2 in. x 6 in., hardwood, long enough to extend beyond Items "T". Secure each to floor with six
30-D nails.
W
1
3/8 in. steel cable, doubled. Loop over and around boom and through opposite stake pockets.
X
1
6 in. x 6 in., hardwood, long enough to extend beyond each side of boom. Locate so as to
maintain 2 in. clearance between end of boom and floor and toe-nail to floor with six 60-D
nails in each side. Not required when sheave wheel rests on floor.
Y
2
4 in. x 6 in., hardwood, length to suit.
Z
1
4 in. x 6 in., hardwood, long enough to extend 6 in. beyond each side gantry. Toe-nail to each
Item "Y" with four 30-D nails.
AA
4
2 in. x 6 in. x 12 in., hardwood. Locate one on front and one on back face of each Item "Z" and
secure each to Items "Y" and "Z" with six 20-D nails.
BB
4
2 in. x 6 in., hardwood, length to suit. Toe-nail bottom end of each to floor with two 30-D nails
and top end of each to Item "Y" with three 30-D nails.
CC
4
2 in. x 6 in. x 12 in., hardwood cleats. Locate one against each Item "BB" and secure each to
floor with four 30-D nails.
DD
1
3/8 in. steel cable, doubled. Loop over and around gantry and Item "Z".
Items "S", "T", "U", "V" and "W" are not required when Item "X" is used, or vice versa.
Loading machines with treads extended beyond floor of car is permitted, provided machines are centrally located
on car and not 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 locked position by shippers.
For proper location of load on car, see Fig. 34.
See General Rules 4, 5, 8, 9, 14, 15, 19, 19A and 21 for further details.
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