Komatsu PW160-7K Series, Operation And Maintenance Manual

Page: 178 / 358

OPERATIONS AND CHECKS BEFORE STARTING ENGINE OPERATION
178
SWINGING (Slewing the upper carriage)
WARNING
Never apply swing brake when machine is swinging as this is
a static brake only. (damage may occur otherwise)
Ensure the mechanical swing lock pin is disengaged before
swinging. Failure to do so may result in damage to the
machine.
When operating the swing, check that the area around the ma-
chine is safe.
1. Before operating the swing, turn swing lock switch (9) OFF
(CANCELLED).
NOTICE
Check that swing lock monitor goes out at the same time.
2. Operate left work equipment control lever to swing the upper
structure.
3. When not operating the swing, turn swing lock switch (9) ON
(ACTUATED)
4. Before travelling re-apply swing lock brake
9
6
7
8
10
9
Swing
Left
Swing
Right
Left
control
lever