Efficient Working Method - Hyundai R140LC-9 Operation & Maintenance Manual

7. EFFICIENT WORKING METHOD

1) Do the digging work by arm.
Use the pulling force of arm for digging and
use together with the digging force of the
bucket if necessary.
2) When lowering and raising the boom operate
softly in the beginning and at the end.
In particularly, sudden stops while lowering
the boom may cause damage to the machine.
3) The digging resistance and wearing of tooth
can be reduced by putting the end of bucket
tooth to the digging direction.
4) Set the tracks parallel to the line of the ditch to
be excavated when digging ditch. Do not
swing while digging.
Parallel
4-17
Operate softly
in the begining
and at the end