7
FILTER DISASSEMBLY/
ASSEMBLY PROCEDURE
Hazardous pressure. Before disassembling
filter:
1. STOP PUMP.
2. CLOSE isolation valves.
3. OPEN air release valve and drain plug.
4. WAIT until all pressure is released and water drained from
filter tank and system before loosening Posi-Ring
TM
.
Disassembly:
1. Stop the pump.
2. Close isolation valves to prevent flooding.
3. Open air release valve on top of filter tank to release all
pressure from inside of tank.
NOTICE:
Make sure that waste water disposal complies
with local codes and ordinances.
4. Remove drain plug and drain all water from tank.
5. Remove Posi-Ring
TM
as follows:
a. Press safety latch (below the ring) toward the tank to
release it (see Figure 3).
b. Hold latch in the release position and rotate ring
COUNTERCLOCKWISE to remove. If ring is difficult
to turn, tap gently with a rubber mallet to overcome
initial resistance.
NOTICE:
DO NOT use screwdriver or bladed instrument
that may damage lid or tank surfaces to pry apart.
6. Remove O-Ring from filter lid. Inspect for cuts, crack-
ing, deformation or signs of wear; replace if necessary.
NOTICE:
To avoid strain or damage, allow filter mod-
ule to drain before lifting it out of the tank.
SAFETY LATCH (See Figure 4)
The purpose of the safety latch is to hold the Posi-Ring
TM
in the locked position. If the latch is damaged, replace it
as follows:
1. Press up on the small catch on the bottom of the safety
latch and press or tap the latch out of the slot in the
tank.
2. Slide the new latch into position until it latches in
place.
NOTICE:
DO NOT operate the filter if the safety latch
is damaged or will not hold the Posi-Ring
TM
in the
locked position.
Assembly:
1. Inspect and clean the tank, ring threads and O-Ring
groove. Replace damaged parts as necessary.
2. Install diverter by placing it in the bottom of the tank.
Align the arrow on the diverter with the inlet port on
the tank.
3. Install the filter cartridge in the tank. Push down firmly
to seal.
NOTICE:
Lubricate O-Ring only with the silicone
grease provided or equivalent, as other lubricants may
cause the ring to swell. DO NOT lubricate Posi-Ring
TM
or threads on filter tank as this may collect grit and
make removal difficult.
4. Install the O-Ring in the tank lid O-Ring groove. Be sure
that the O-Ring is clean and not twisted.
5. Place the tank lid onto the lower filter tank.
6. Place the Posi-Ring
TM
squarely over the filter tank
threads and rotate CLOCKWISE until securely latched.
7. Follow instructions in the “Initial Startup” section of
this manual.
PUSH
PUSH
3647 0200
FIGURE 3 – Depress safety latch to unscrew
Posi-Ring
TM
.
PUSH
P
u
sh
u
p
Slide latch o
u
t
FIGURE 4 – Safety Latch
