Hitachi Zaxis 200LC, Руководство оператора

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Miscellaneous—Operational Checkout
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Swing Circuit Leakage
Check
T6479AZ –UN–19OCT88
Engine at slow idle.
Position machine on a side hill or raise one side of
machine 300 mm (1 ft) with the boom and ease block
under track.
Raise bucket 300 mm (1 ft) off the ground at maximum
reach.
Bottom bucket cylinder and hold lever in the actuated
position.
NOTE: Actuating the bucket function releases the
mechanical swing brake.
Does upperstructure move only slightly?
YES: Go to next check.
NO: Go to your
authorized dealer.
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Dig Function Drift Check
T6290AF –UN–19OCT88
Engine at slow idle.
Fill bucket with dirt and position bucket at maximum
reach with bucket 2 in. (50 mm) above ground.
Observe bucket for 1 minute.
Does bucket drift down to ground within 1 minute?
YES: Go to your
authorized dealer.
NO: Go to next check.
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Control Valve Lift Check
Test
T6292AZ –UN–19OCT88
Engine at slow idle.
Position machine as illustrated.
Slowly actuate pilot controller to lower boom, extend arm
(retract cylinder), and dump bucket (retract cylinder).
Do functions move in opposite direction as control levers
are moved, then change direction as levers are moved
further?
YES: If functions move in
opposite direction first, a
leak within the cylinder or
lift check valve is
indicated. Go to your
authorized dealer.
NO: Go to next check.
4-2-7
081407
PN=178