Sec. 4-FIg. 37 (Rev.-8-1972)
DERRICKS, CRANES, ETC., ON THEIR OWN WHEELS, WITH BOOMS, DETACHED, CABLES NOT REMOVED
Item No. of Pcs.
Brake wheel clearance. See Fig. 2, Sec. 1.
4 in. wide, 18 in. long, high enough to permit application of Items "0", nailed to floor against
2 in. x 4 in., long enough to extend beyond Items "B", nailed to Items "B".
Uncoupling mechanism must be made inoperative.
1 1/4 in. rods with nuts and washers, for machines weighing 150,000 lbs. or less. For machines
weighing more than 150,000 lbs. use 1 1/2 in. rods. Threads must be riveted over or nuts
secured with lock nuts or nut locks. Permanent anchor devices with which the crane is usually
equipped are acceptable substitutes.
Anchors must be attached to extreme front and rear of rotating portion. If construction of
machine will not permit application to extreme rear, they must be placed as close to rear as
construction will permit. Rods with hooked ends must not be used.
2 ea. machine.
Hardwood, 6 in. wide, long enough to extend beyond rotating portion. Thickness 2 in. less than
distance between rotating portion and carriage. Secure to floor with one 3/4 in. dia. bolt at
each end with head countersunk.
2 ea. Item F.
2 1/2 in. x 4 in. x 12 in., hardwood, driven between Items "F" and machine. Nail to Items "F"
with 40-D nails.
Items "F" and "G" not required at center, unless machine has two piece bed casting, nor at rear end of machine
equipped with jacks.
Pivoted machines equipped with Jacks must have jacks screwed tight to prevent vertical motion of rotating
Jacks must not be used to apply Items "F" and "G".
All coal must be removed from bunkers. Water must be removed from boiler and reservoir.
Remove key or nut from center pin of truck at end opposite to the counterbalance.
See General Rules 4, 5, 9, 14, 15, 19, 19A and 21 for further details.