33
Installation, Operation and Maintenance Manual
MAN 564_EAC Rev. 2
June 2020
Maintenance
Section 5: Maintenance
Maximum level
Minimum level
Figure 36
Level measuring stick
5.1.1
Check and Restore Oil Level in the Hydraulic
Manual Override
Operate the distributor lever to “closing manual operation”.
Figure 37
Move the actuator into his “fail to close” position.
Unscrew the dipstick (1).
Check that the oil level into the tank (4) is in correspondence of the “MAX LEVEL” notch of
the dipstick.
Screw and tighten the dipstick.
If necessary, substitute or add the oil, proceeding as follow:
•
Remove the dipstick (1) from the tank cover (22).
•
Unscrew the plug (27) and the washer (9) to drain all the oil.
•
If some dirt or/and sludge is found in the oil drained from the tank, before filling
with new oil in the tank, disassemble the oil tank tube, by unscrewing the two cap
nuts (2), and clean the internal surfaces of the tank. If necessary substitute the
gaskets (21) of the tank.
•
Replace the plug (27) and the washer (9) into the plate (11) and tighten.
•
Pour the new oil into the tank through the dipstick hole (1) on the cover (22).
•
Replace the dipstick (1).
•
Add oil (refer to Table 14) if in the tank the oil level is BELOW THE MINIMUM
(Figure 36: minimum level is in correspondence to the end of dipstick) until
to reach the optimal (MAXIMUM) oil level.
•
Operate the distributor lever to “Remote” position.
NOTICE
For refill use oil of the same brand as previous, refer to related technical documentation.
MANUAL OPENING
MANUAL CLOSING
