Other Symptoms
For the symptoms not listed in table below or the further existed problems after appropriate solutions,
please consult with your sales or service dealer.
6-10
The left and right joysticks
cannot move flexibly
l Lack of grease on left
and right joysticks
Throttle lever cannot move
flexibly
l The throttle line is
loose
l Adjust or replace (consult
your sales or service agent).
Bucket, slewing or
walking operations
cannot be performed
l The safety lock lever
has been raised
(locked)
l The travel lock
adjustment is faulty
l Lower (release) the safety
lock lever. Please refer to
page 2-11.
l Adjust the walking lock
(consult your sales or
service agent).
l Hydraulic oil level is
too low
l The hydraulic oil is not
hot enough
l Air filter is clogged
l Incorrect hydraulic oil
type
l Add to the
specified liquid
level. Please
refer to page 5-
17.
l Clean the air
filter. Please
refer to page 5-
27.
l Replace
hydraulic oil.
Please refer to
page 5-34.
Unable to walk or
inflexible
l Stone or foreign object
stuck
The machine turns right/left
l A stone or foreign
object is stuck.
l The track tension
adjustment is faulty
l Remove foreign objects
l Adjust the track to the
specified tension. Please refer
to page 5-21.
Troubleshooting
Other Symptoms