Optional Equipment
Safety, Operation and Maintenance Manual - Aug 2012
8-26
SY115C9/135C/155H Crawler Hydraulic Excavator
8.7 Quick Coupler and Control System
8.7.1 Quick coupler installation
1. Remove the safety pin of quick coupler, as
shown in the right illustration.
2. Depress the quick coupler operation button
(1) (auto reset) on the left joystick in order
to slowly reduce the opening of the
fl
exible
jaws and the
fi
xed jaws of quick coupler.
3. Make the quick coupler's fixed jaws to
slowly grip the bucket's support pin (2), as
shown in the right illustration.
CZ335-1105032
Safety pin
Jaw
1
CZ335-1105033
2
3
CZ335-1105034
Fig. 8-38
Fig. 8-39
Fig. 8-40