Installation, Operation and Maintenance Manual
MAN 608 Rev. 5
December 2020
Maintenance
Figure 23
Level measuring stick
Maximum level
Minimum level
Figure 24
29
Section 5: Maintenance
5.1.1
Check and Restore Oil Level in the Hydraulic
Manual Handpump
Operate the distributor lever to “manual operation” to operate valve and to compress
completely the actuator spring.
Move the actuator into his “totally compressed spring” 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 10) if in the tank the oil level is BELOW THE MINIMUM
(Figure 23: 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.