Komatsu PC220LC -8 Operation & Maintenance Manual page 194

OPERATION OPERATION
2. Turn swing lock switch (2) ON and check that the swing lock
monitor lights up.
3. To complete the warm-up operation of the hydraulic equipment
more quickly, set the working mode to P mode (heavy-duty
mode).
For details of the procedure for setting the working mode, see
"Working Mode Selector Switch (PAGE 3-26)".
4. Move lock lever (3) slowly to the FREE position (F), then raise
the bucket from the ground.
5. Turn fuel control dial (4) to a point midway between low idling
(MIN) and full speed (MAX).
MACHINE OPERATIONS AND CONTROLS MACHINE OPERATIONS AND CONTROLS
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