11.11
51B
Minimum Rotational Speed Adjustment Instructions
In case the pressure setting is changed or the fixed throttle is installed, rotational speed in the pressure
holding status would be changed. Adjust to the appropriate speed(380min
-1
).
machine it will not be possible to adjust to the appropriate rotational speed due to the influence of leakage
from the valves, actuators, etc.
changed during adjustment, return it to the original value after adjustment.
1.
Press the mode key
on the operation panel to switch the display mode to the monitor
mode.
2.
Press the setting keys
and
with the [n00] displayed to select [n05] (motor speed
indication) to display the current motor speed.
3.
Loosen the lock nut of the throttle valve for minimum rotational speed adjustment.
4.
Adjust the throttle valve while monitoring the actual motor rotation speed displayed.
The motor rotation speed decreases during clockwise rotation, and increases during counterclockwise
rotation.
5.
Tighten the lock nut to complete the adjustment.
6.
Press the mode key
to switch to actual pressure indication.
CAUTION
If the minimu
m rotational speed adjustment throttle valve adjusting screw is loosened to far it will come out and oil
will spout out.
Ensure that the adjusting screw does not project beyond 19 mm from its mount.
Minimum rotational speed
adjustment throttle valve
adjusting screw, lock nut
19 mm max.
