Komatsu PC220LC -8 Operation & Maintenance Manual page 242

OPERATION OPERATION
6. As shown in the diagram on the right, select the wire rope so
that lifting point (A) is directly above the center of gravity (B) (a
point 490 mm (19.3 in) to the rear of the swing center).
(A): Lifting point
(B): Center of gravity
(C): Swing center
(D): 490 mm (19.3 in)
(E): Min. 8 m (26 ft 3 in)
(F): Min. 3.5 m (11 ft 6 in)
(G): Min. 6.3 m (20 ft 8 in)
7. When lifting the machine, check that there is no change in the posture of the work equipment caused by leakage
of oil from the hydraulic circuit at the boom cylinder head end.
8. When the machine comes off the ground, stop the lifting operation, check that the machine is balanced, and
when the machine stabilizes, lift it slowly.
9. After completing the lifting operation, always install cover (1) on top of the counterweight.
TRANSPORTATION TRANSPORTATION
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