Annovi Reverberi SRMW Série Instructions D'utilisation page 9

Operating Instructions and Parts Manual
Plunger Pumps
Service Pumps (Continued)
slide hammer to pull
the packing stack up
and out of the head.
(See Figure 20)
NOTE: Damage to
the piston guides and or
the seals may occur during removal.
Inspect carefully before reusing any
components of the packing stack.
9. Remove the high-
pressure packing by
pulling straight out
with your finger. (See
Figure 21)
Assembly:
1. Install the high-pressure seal into the
head.
NOTE: It should fit snugly. The
packing support is part of the valve
cage.
2. Place the high-
pressure seal at an
angle and work it
into the cylinder.
(See Figure 22)
NOTE: The point of the "V"
or flat side of the packing is
pointed at you.
3. Lubricate the packing retainer O-ring
with a light film of oil and install it into
the cylinder. Push it completely into
Figure 20
4.
5.
6.
Figure 21
Valve life is dependant on
many variables. Hard
water, cavitation, corrosion,
chemicals and equipment
care. The valves are a wear
item and need periodic
replacement. Worn
O-rings or damaged valves
will cause pressure loss and
pulsations.
Figure 22
NOTE: Water seals are wear items. Life of
the seals is dependent on
en 9
SRMW Series Pumps
place. (See Figure
23)
NOTE: The O-ring
will seat just inside
the manifold and you
will hear a slight pop.
Insert the low-pressure seal
by placing it into the
an angle and pushing
it into place.
(See Figure 24)
Put a thin coat of
oil on the plungers and
packings.
(See Figure 25)
Carefully install the
manifold and torque
the bolt to the proper
specifications.
(See Figure 26)
Figure 23
cylinder in at
Figure 24
Figure 25
Figure 26
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