Komatsu PC27R-8 Operation & Maintenance Manual page 71

If the levers are operated in directions that are inclined with respect to the machine axis, simultaneous move-
ments proportional to the angle of inclination are obtained, since the two hydraulic distributors corresponding to
each single function are engaged at the same time.
LEVER 1 (COMBINED MANOEUVRES)
N - Neutral
A - Arm opening and rotation to the left
B - Arm opening and rotation to the right
C - Rotation to the right and arm folding
D - Rotation to the left and arm folding
LEVER 2 (COMBINED MANOEUVRES)
N - Neutral
A - Boom lowering and bucket folding
B - Boom lowering and bucket opening
C - Bucket opening and boom lifting
D - Bucket folding and boom lifting
IMPORTANT
Before rotating the upper structure, make sure that the rotation locking pin is raised (released).
The horn is positioned on the right lever grip and must be used to warn the persons in the vicinity at
the beginning of work and in case of danger.
All movements are locked by shifting the safety device lever to the lock position (see pos. 8).
INSTRUMENTS AND CONTROLS
A B
N
D C
A
B
N
C
D
RWA07280
RWA07290
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