Komatsu PC220LC -8 Operation & Maintenance Manual page 234

OPERATION OPERATION
10. When the machine travels over the rear wheels of the trailer, it
becomes unstable, drive slowly and carefully. (Never operate
the steering.)
11. At the moment the machine passes the rear wheels, it tilts
forward, be careful not to let the work equipment hit the trailer
body. Drive the machine forward to the specified position, then
stop the machine.
12. Lower the work equipment on top of wooden blocks.
TRANSPORTATION TRANSPORTATION
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