Ediz. 010 - 06/2015
P
REPLACEMENT OF THE PUMPING GROUP’S GASKETS
• It is recommended to perform this operation after having
cleaned the equipment.
• Use a screwdriver (P3) to turn the motor(P4) until the piston
stem is at the bottom of its stroke and then move the rod
accordingly to remove it.
• Remove the locking pin (P5) using pliers (P6).
• Unscrew the fixing ring nut (P7), to the end of the thread
using a 45 mm spanner.
• Unscrew the suction casing using a 32 mm spanner as
illustrated. If necessary, remove the suction pipe (P8) by
means of a 19 mm spanner before performing other ope-
rations.
• Use a 19 mm spanner to unscrew the ring nut (P1) on the
feeding pipe in order to make the operation easier.
Always disconnect the power supply and discharge
pressure before performing the following opera-
tions (follow the “correct procedure of decom-
pression”).
• Release the plastic covering (P2).
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P1
P6
P5
P7
P8
P2
P4
P3
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