Method For Escaping From Mud - Komatsu PC290LC-11 Operation & Maintenance Manual

OPERATION
2.
When travelling up a steep hill of more than 15°, set the
work equipment to the posture shown in the figure.
When travelling up a steep slope, extend the work equip-
ment to the front to improve the balance, keep the work
equipment approximately 20 to 30 cm above the ground,
and travel at low speed.
Braking on downhill slope
Put the travel lever in NEUTRAL position. This will cause the brake to be automatically applied.
If engine stops on slope
If the engine stops when travelling uphill, move the travel levers to NEUTRAL position, lower the bucket to the
ground, stop the machine, then start the engine again.
Pay attention to DEF level
Before working on a slope or travelling on a rough ground, check DEF tank and add sufficient amount of DEF as
necessary. If the remaining DEF level becomes low, sudden drop of its level or abnormality in urea SCR system
may be detected. If DEF level caution lamp or DEF system caution lamp lights up in red, move the machine to a
level place immediately and add DEF.

METHOD FOR ESCAPING FROM MUD

Always operate carefully to avoid getting stuck in mud. If the machine does get stuck in mud, do as follows to
get the machine out.
Track on one side stuck
NOTICE
When using the boom or arm to raise the machine, push
the ground by using the bottom of the bucket.
At this time, set the angle between the boom and arm to 90
to 110 °.
The same applies when using the bucket installed in the
reverse direction.
When only one side is stuck in mud, raise the track by lowering
the bucket to the ground on the stuck side. Lay boards or logs
under the raised track. Then raise the bucket and drive the ma-
chine out.
MACHINE OPERATIONS AND CONTROLS
3-199