49
CONTROLS
Levers and Pedals
Safety Lock Lever(s)
WARNING
� Before leaving the operator’s seat,
raise the safety lock lever(s) to engage
the lock and stop the engine.
If any controls should be touched
accidentally when the safety lock
lever(s) is lowered, the machine will
move suddenly, and cause serious
injury or death.
�
Note that the dozer blade, boom swing
and auxiliary hydraulics controls are
not locked, even when the safety lock
lever is set to the lock position. Do not
touch these controls accidentally.
�
Be careful not to touch the operating
levers when raising and lowering the
safety lock lever(s).
This device is for locking the hoe
attachment, slewing and traveling.
When the lever is lifted, the lever stand
springs up and the lever is locked.
Cab types only have left safety lock lever.
Canopy types
�
Locking is possible by operating only one
side.
�
To unlock, both sides must be operated.
Throttle Lever
This controls the engine speed.
(A) .......Low idling
(B) .......Maximum speed
Operating Levers
WARNING
� Be careful to check which pattern
of lever control arrangement you
are operating with before beginning
operations.
�
The explanations in this manual are for
the ISO pattern.
Use these levers to operate the boom, arm,
bucket and upper structure (slew).
Refer to page 64 “Lever Pattern”.
Refer to page 71 “Operating the Working
Equipment”.
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