Hitachi EX 1900-6 Technical Manual page 18

Hydraulic excavator
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DRIVE MACHINE SAFELY
Driving across the face of a slope or steering on a
slope may cause the machine to skid or turnover.
If the direction must be changed, move the ma-
chine to level ground, then, change the direction
to ensure safe operation.
Avoid swinging the upperstructure on slopes.
Never attempt to swing the upperstructure down-
hill. The machine may tip over. If swinging uphill is
unavoidable, carefully operate the upperstructure
and boom at slow speed.
If the engine stalls on a slope, immediately lower
the bucket to the ground. Return the control lev-
ers to neutral. Then, restart the engine.
Be sure to thoroughly warm up the machine be-
fore ascending steep slopes. If hydraulic oil has
not warmed up sufficiently, sufficient performance
may not be obtained.
Use a signal person when moving, swinging or
operating the machine in congested areas. Coor-
dinate hand signals before starting the machine.
Before moving machine, determine which way to
move travel pedals/levers for the direction you
want to go. When the travel motors are in the rear,
pushing down on the front of the travel pedals or
pushing the levers forward moves the machine
forward, towards the idlers.
An arrow-mark seal is stuck on the inside surface
of the side frame to indicate the machine front
direction.
Select a travel route that is as flat as possible.
Steer the machine as straight as possible, making
small gradual changes in direction.
Before traveling on them, check the strengths of
bridges and road shoulders, and reinforce if nec-
essary.
SAFETY
Arrow-Mark
SA-14
Travel Motor
M104-05-008
M178-03-001

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