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3.14 WORKING INSTRUCTIONS
When working with the bucket in the longitudinal direction, the
final drives should be in the rear position illust. (Z 0144), for
the following reasons:
The travel motors and travel gears are protected from fall-
ing rocks etc.
When the Shovel is operated on muddy ground and the
tracks are covered with mud, the sprocket runs on a
clean track when backing up.
When working with the loader in a cross direction to the track
group, be sure that the track is not raised off the ground, illust.
(Z 20978). This can cause the track to set-off from the rollers
when it is lowered down on the ground.
Also the flanges of the track rollers and the track shoes can
be bent by the excessive load.
Loading Trucks:
Position the truck as closely as possible to the Shovel.
Do not swing the attachment over unprotected driver cabs.
Swing the attachment at a sufficient height over the loading
platform
Distribute material evenly on loading platform.
Do not overload the truck.
Remove sticky material from the bucket.
Always keep the Shovel as close as possible to the work
area. Short boom trips - high efficiency.
When turning into a pit, the rotating motion must not be
stopped by the walls of the pit.
Only a bucket with a complete set of teeth and cutting edges
in good condition ensures efficient performance.
Loosen hard material and rocks with the bucket, not with the
stick crowding thrust.
Correct bucket size and properly adjusted equipment pre-
vents overloading and ensures maximum operating efficiency
of the Shovel.
262
OPERATION
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