Annovi Reverberi SRMV Série Manuel D'instructions page 9

Operating Instructions and Parts Manual
Plunger Pumps
Service Pumps (Continued)
use the 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
9
Figure 20
4.
5.
Figure 21
6.
Valve life is dependant
on many variables.
Hard water, cavitation,
corrosion, chemicals
and equipment care. The
valves are a wear item and need
Figure 22
periodic replacement. Worn O-rings
or damaged valves will cause pressure
loss and pulsations.
NOTE: Water seals are wear items.
Life of the seals is dependent on
SRMV Series Pumps
completely into
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
cylinder in at 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
Figure 24
Figure 25
Figure 26