Oil Change - Annovi Reverberi RSV Série Mode D'emploi

Operating Instructions and Parts Manual
Plunger Pumps

Oil Change

Change oil after fist 50 hours of use.
Then every 500 hours. Refer to parts
breakdown for oil type.
Servicing the Built-in Unloader and
Check Valve
These parts are serviced as assembled
kits.
Tool required 3/8" drive ratchet, 19mm
deep well socket, medium strength
thread locker, needle nose pliers.
Check Valve Removal:
1. Remove the chemical
injector discharge
nipple. Use the needle
nose pliers to lift out
the check valve. (See
Figure 29)
Check Valve Assembly:
1. Place the check valve into the
discharge outlet with the pointed
side going in first
(NOTE older model
pumps have springs
that go into the hollow
portion of the valve,
newer models do not have
springs.) (See Figure 30)
2. Inspect the O-rings on
the injection nipple, if
damaged replace. Place
small amount of thread
locker on the thread
and tighten. (See Figure
31)
Unloader Removal:
Tools required: 3/8" rachet, 22mm
deep well socket, crescent wrench,
small hammer, 6mm x approximately
8mm or longer, medium strength
thread locker.
Unloader assembly removal:
1.
2.
Figure 29
Unloader assembly:
1.
Figure 30
Figure 31
2.
en 9
RSV Series Pumps
Using the 22mm socket
rotate the pressure
adjusting cap so
both set of hexes are
aligned. Use screw
to remove the complete
unloader assembly. (See
Figure 32)
Screw the 6mm bolt into the
unloader piston seat, grab the
bolt with the crescent
wrench just under
the head. Using the
hammer tap the bottom
of the wrench. The seat
will pop out. (See Figure 33)
Piston seat installation
screw the new seat
onto the bolt (NOTE:
the flat side is the
bottom). Push squarely
into the unloader base
and tap into place with
the hammer. (Remove
the bolt). (See Figures
34 & 35)
Place a small amount of
thread locker on the unloader
cartridge threads and screw into
the base and tighten.
Figure 32
Figure 33
Figure 34
Figure 35
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