30
February 2022
Installation, Operation and Maintenance Manual
MAN 607 Rev. 6
Section 5: Maintenance
Maintenance
Move the actuator into its “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 follows:
•
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 10) if in the tank the oil level is BELOW THE MINIMUM
(Figure 28: minimum level is in correspondence to the end of dipstick) until
reaching the optimal (MAXIMUM) oil level.
•
Operate the distributor lever to “Remote” position.
