HANDLING SERVICE CENTER ATTACHMENTS AND OPTIONS
6-16
PROCEDURE FOR OPERATING SERVICE ARM 6
Before operating the service arm, check that there is no one inside the operating range of the service arm.
There is danger that anyone inside the operating range may suffer injury by being hit or caught up by the
service arm.
If the service arm is at the lowered position, the proximity
switch does not detect that the service arm is stowed, so
PPC (hydraulic pilot) lock is applied and it is impossible to
swing or drive the machine, or operate the work equip-
ment.
If this happens, the ladder warning lamp inside the opera-
tor's cab lights up red. For details, see “Ladder Warning
Lamp (3-99)“.
This lock is cancelled when the service arm is stowed.
If the lock is not cancelled even when the service arm is
stowed, see “ACTION WHEN MACHINE DOES NOT MOVE
BECAUSE OF FAILURE IN PROXIMITY SWITCH (6-32)“.
Before operating the service arm, check that there is no
obstacle in the service arm operating range. There is dan-
ger that if the service arm hits any obstacle the service
arm or the obstacle may break.
q service arm operating range (a): Approx. 1.2 m
q Height (b) from ground to tip of service arm: 1.3 m
q Height (c) of tip of service arm when automatic stowing
mechanism starts to work: 2.0 m
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