To unload crane carrier and
Use care to avoid damaging
superstructure from transport
swivel assembly which is
vehicles, material handling
equipment of at least 26.5 ton
superstructure turntable base
(24, 041 kg) capacity is
f. Lift and swing the suspended superstructure
over crane carrier. Center boom over front and
a. Ensure crane carrier is on a flat level surface.
attempt to align superstructure turntable bearing
ring with bearing hole pattern in carrier deck
b. Inspect bearing and carrier deck plate mating
surfaces. Mating surfaces should be clean and
dry for remounting.
g. Station a person on the carrier within view of
match marks on front of superstructure bearing
c. Position material handling boom head with
ring and carrier deck plate. Also, locate a
suspended sling over superstructure center of
person under carrier to center swivel assembly
gravity and connect four falls of sling to sling
support channel onto its supporting lugs in
eyes located on the boom base section and
carrier frame, as it is lowered into place.
h. Lower the superstructure into close contact with
the carrier deck plate. The swivel support
channel will contact its supporting lugs before
See the Shipping Data Plate
turntable bearing contacts carrier deck plate.
(E7-376-002128) and/or the
i. Center the channel on the lugs and install four
3/4 inch bolts through the channel and lugs.
Install the washers and nuts on the ends of the
bolts. Do not tighten.
d. Take up slack in sling falls and remove cribbing,
j. Unhook swivel assembly suspension chains and
planking, supports and superstructure tiedowns.
secure together around swivel barrel.
Attach guide ropes at boom nose and/or
counterweight (use for rotationally aligning
superstructure with carrier during mounting).
e. Insert three new bearing bolts with washers
under heads through exposed holes in turntable
bearing ring at 1, 6 and 16. These bolts will
serve to align entire superstructure bearing hole
pattern with matching holes in carrier deck plate.