Operating On Soft Ground; Raise One Track Using Boom And Arm - Hitachi EX27U Operator's Manual

OPERATING ON SOFT GROUND

Avoid traveling on very soft ground that does not have suf-
ficient strength to firmly support the machine.
If the machine is operated on very soft ground or becomes
stuck, it may be necessary to clean the track frame area.
Swing the upperstructure 90° and lower the bucket to raise
one track off the ground. Make sure to keep the angle be-
tween the boom and arm 90° to 110° and position the
bucket's round side on the ground.
Rotate the raised track back and forth to remove mud and
dirt.
After lowering the track to the ground, slow travel speed.
Carefully move the machine to firm ground.
Tow the machine if it becomes stuck but can still operate
its engine. Be sure to attach a towing wire correctly.

RAISE ONE TRACK USING BOOM AND ARM

CAUTION: Keep the angle between boom and
arm 90° ° ° ° to 110° ° ° ° and position the bucket's round
side on the ground.
Swing the upperstructure 90° and lower the bucket to raise
track off ground. Do not dig bucket teeth into the ground
when using the hoe bucket reversed.
If a maintenance procedure must be performed under the
machine, place blocks under machine frame to support the
machine.
DRIVING THE MACHINE
4-4
90 to 110°
M586-05-003
M586-05-004