OPERATION
Machine
Operation
Warming Up the Hydraulics
AwARNING
Operating the
working
equipment
without
warming
up
the
hydraulics is dangerous,
because response will be
slow
and the
equipment
may
move in unexpected
ways. Be sure
to
sufficiently
warm
up
the
hydraulics.
IMPORTANT: Do
not
operate the
levers suddenly when
the
hydraulic oil
temperature is
below
20°c
(68
°
F).
The
proper hydraulic oil temperature during
operation is 50
to
80°C (122
to
176°
F),
but
if
operations
must
be performed
at
lower
temperatures, heat
up
the hydraulic oil
to
at
least 20°C (68°
F).
Normal Warm-up
1.
Run
the engine at medium speed for
about 5 minutes with no load.
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2.
Set the safety bar to the released position
and lift the bucket from the ground.
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3.
Extend and retract each of the cylinders
several times with no load.
....
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4.
Travel
slowly forward and backward
several times.
Warming Up in Cold Weather
1.
Perform the normal warm-up procedure.
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11
2.
Set the bucket cylinder at the stroke end
and keep it there.
Do
not do this for more than 30 seconds.
3.
Repeat step 2 until the bucket operating
speed
is
normal.
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