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HYDRAULIC QUICK COUPLER PIPING
European safety standards require that it is possible to check the locked position of the quick coupler
from the operator's position. Failure to check could cause the death of exposed persons. Check carefully
that the locking of the quick coupler is complete and secure. Follow the manufacturer's instructions care-
fully, including the installation of any safety device, if required.
7. If the bucket or attachment needs a connection to the hydraulic system of the machine follow all instructions in
ATTACHMENT REMOVAL AND INSTALLATION
Check daily that the hoses and fittings in the quick coupler piping system are in good condition. Pay par-
ticular attention to the hoses and fittings at the arm end as these can be damaged easily. In case of dam-
age or leakage of oil stop work. Loss of oil could lead to the bucket or attachment falling and killing an
exposed person. The damage or leakage must be repaired before continuing work.
This machine has a system installed to give a warning if there is a failure to maintain pressure in the quick
coupler system. If the buzzer sounds in the cab make sure that the cause is clarified before continuing
work. In particular check for leaks in the system. If in doubt call your Komatsu dealer.
6-6
ATTACHMENTS ANDD OPTIONS
WARNING
WARNING
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