Komatsu WA250-5 Service Manual

.
OPERATION
OPERATION
LEVELING OPERATIONS
NOTICE
Always
operate
the
machine
in
reverse
when
carrying
out
leveling
operations.
If
it
is
necessary
to
carry
out
leveling
operations
when
traveling
forward,
do
not
set
the
bucket
dumping
angle
to
more
than
20
degrees.
Turn
the
E.C.S.S.
switch
(if
equipped)
OFF
when
carrying
out
leveling
operations.
1.
Scoop soil into the bucket. Move the machine backward while
spreading soil from the bucket little by little.
2. Go over the spread soil with the bucket teeth touching the ground and level the ground by back-dragging.
3.
Scoop some more soil into the bucket, put the lift arm control lever in FLOAT position, level the bucket at ground
level, and smooth the ground by moving backward.
PUSHING OPERATION
Never
set
the
bucket
to
the
DUMP
position
when
carrying
out
pushing
operation.
When carrying out pushing operations, set the bottom of the bucket parallel to the ground surface.
LOAD AND CARRY OPERATIONS
When
carrying
a
load,
lower
the
bucket
to
lower
the
center
of
gravity
when
traveling.
When
the
machine
is
traveling
or
the
work
equipment
is
raised,
the
moment
that
the
E.C.S.S.
switch
is
turned
ON,
the
work
equipment
will
move.
If
operations
are
carried
out
with
the
E.C.S.S.
switch
left
at
the
ON
position,
the
moment
that
the
travel
damper
is
actuated,
the
work
equipment
will
move.
The load and carry method for wheel loaders consists of a cycle of scooping -> hauling ->loading (into a hopper,
truck, etc.)
Always keep the travel path properly maintained.
When using the load and carry method, see "PRECAUTIONS FOR USING LOAD AND CARRY METHOD (PAGE
3-97)".
3 - 86

Komatsu WA250-5 Specifications

General

Brand	Komatsu
Model	WA250-5
Category	Front End Loaders
Language	English