OP000506
1-33
Safety
Shutdown Control Functions
After bucket has been lowered to overnight storage position,
move all switches and controls to "OFF" position. Pull
parking brake knob to "APPLIED" position. This will apply
parking brake. Move pilot cutoff switch to "LOCK" position.
This will disable pilot control valve lever (joystick). Move key
in starter switch to "OFF" position, and remove key from
switch.
Engage all lock-down security equipment that may have
been installed on machine.
Never Let Anyone Ride on Attachment
Never let anyone ride on any work attachment, such as the
bucket, crusher, grapple, or clamshell (grab bucket). There is
a danger of the person falling and suffering serious injury.
IMPORTANT
When hydraulic system maintenance or service work
must be performed, be aware that accumulators in
system store fluid under pressure after system has been
shut down. To release hydraulic pressure in
accumulators, operate control with engine "OFF" until
accumulator pressure is completely dissipated.
Figure 22
HAAD4050
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