Counterweight Installation - Hitachi ZAXIS 470LC-5B Operator's Manual

Counterweight Installation

IMPORTANT: Do not attempt to remove or install
counterweight with the track gauge in the narrow
(transport) position. Before removing or installing the
counterweight, the track gauge must be widened to
the work position.
IMPORTANT: Install the counterweight on a level and
solid surface.
1. Park the machine on level and solid ground. Position the
machine so that the centerline of the upperstructure is
perpendicular to the track.
2. Lower the bucket onto the ground.
IMPORTANT: The turbo charger may be damaged if the
engine is not properly shut down.
3. Run the engine at slow idle speed without load for five
minutes.
4. Stop the engine.
5. Pull the pilot shut-off lever to the LOCK position.
IMPORTANT: The counterweight removal/install device
does not operate unless the pilot shut-off lever is in
the LOCK position.
d
CAUTION:
 Avoid personal injury from unexpected
counterweight movement.
 Ensure machine is on level and solid surface and
positioned for counterweight operation.
 DO NOT go under the counterweight while removing
or installing the counterweight.
 Clear everyone from the area before removing or
installing the counterweight.
Counterweight Weights:
ZX470LC-5B : 8400 kg
ZX670LC-5B : 9800 kg
ZX870LC-5B : 12400 kg
6. Remove bolts (1) to remove counterweight top cover (2).
7. Remove bottom covers (3), (4) and (5).
COUNTERWEIGHT INSTALLATION
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M116-06-029
MJAA-NACW1-001
5
MJAA-NACW1-007