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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20
P1
P6
P5
P7
P8
P2
P4
P3