12
English
O1
O2
N
REPLACEMENT oF THE PUMPING GRoUP’S GASKETS
•
Carry out this operation after cleaning the tooling.
Always disconnect the power supply and release
pressure before going on with the operations
(fol-
low the “correct procedure of decompression)
.
•
Disconnect the pumping group by unscrewing the two fastening
screws.
•
Using a screwdriver, turn the motor till the piston rod is on
its stroke lowest point.
•
Extract the pumping group from the housing paying attention
to the dowel pins.
•
Unscrew the rigid suction pipe from the pumping group by
loosening the locknut;
•
Unscrew the upper packing nut;
•
Unscrew the suction valve and clean and/or replace its parts,
if necessary;
•
Extract the piston rod from the bottom;
•
Disassemble the piston rod and replace the gaskets group
if worn;
•
If necessary, remove the upper gaskets for their replace-
ment;
•
See the exploded view of the pumping group for the correct
assembly.
Lock nut
Dowel pins
Clamping screws
o
CHARGING THE BATTERY
•
Pull out the plug (
o1
);
•
Connect the battery charger cables (
o2
) to the socket (
o1
);
•
Switch on the battery charger (
o2
) and wait until the machines
battery is completely charged.
The batteries must be recharged at least once
a month in order to prevent them from dete-
riorating.
