CHAPTER 9
8B
TRIAL RUNNING
CAUTION
Ensure that the power can be shut off immediately in response to unforeseen events. Either incorporate
an emergency stop switch or similar device, or configure a sequence circuit for the main machine for
that purpose.
Before running the unit, stop it temporarily and check for safety even in the event of unanticipated
operation.
CHAPTER 8
PROCEDURE FOR STARTING UP
1. Powering on
hydraulic product. This unit starts in about 3 seconds after powering up. Check the
following points:
ights up
B. That the DC fan for the oil cooler is running
the sound of the pump running
2. Flushing operation
When the starting check is completed, connect all the piping except for the actuators in
a loop, then flush for about two hours by passing hydraulic oil through the return filter.
3. Changing the hydraulic oil
drainage port, then pour in the stipulated volume of new hydraulic oil through the oil
the filter element.
4. Air bleeding
Thoroughly bleed air from inside the hydraulic circuit. If the air is not completely bled
out, cylinders and other actuators may operate abnormally, and there may be abnormal
noise from the pump, valves and so on.
CAUTION
Wear protective glasses and gloves for this work.
When bleeding the air, oil at high pressure and high temperature
may gush out.
