1-30 Safety
022-00029AE Operation and Maintenance Manual
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 shutdown. To release
hydraulic pressure in accumulators, operate control with engine "OFF" until accumulator
pressure is completely dissipated.
HAAD4050
Figure 24