Komatsu PC138US-11 Operation & Maintenance Manual page 292

TRANSPORTATION
5.
Turn the swing lock switch ON to apply the swing lock.
When the swing lock switch is turned to ON position, swing
lock pilot lamp (9) lights up.
: ON position
(A)
(B): OFF position
6.
If the machine is equipped with work equipment, set the
work equipment at the front, and travel forward to load it; if
it has no work equipment, travel in reverse to load it.
Follow instructions and signals of a conductor particularly
when traveling in reverse.
7.
Before moving the machine onto the ramps, check that the
machine is positioned in a straight line with the ramps and
that the centerline of the machine matches that of the trail-
er.
8.
Set the travel direction toward the ramps and drive slowly.
Lower the work equipment as far as possible without caus-
ing interference.
On the ramps, operate only the travel lever. Do not operate
any other lever.
9.
For the machine equipped with the work equipment, swing
the upper structure 180 ° according to the following proce-
dure.
1)
While the tracks are on both the ramps and the
ground surface, turn off the swing lock switch.
2)
Swing the upper structure slowly 180 °.
3)
Turn the swing lock switch ON to apply the swing lock.
When the swing lock switch is turned to ON position,
swing lock pilot lamp (9) lights up.
: ON position
(A)
(B): OFF position
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WENAM00111
OPERATION