STA-RITE PRDE40 Owner's Manual page 7

FILTER DISASSEMBLY/
ASSEMBLY PROCEDURE
FIGURE 3 – Depress safety latch to unscrew
Posi-Ring .
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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
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 as follows:
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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
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
S H S H
P U P U
FIGURE 4 – Safety Latch
3647 0200
2. Slide the new latch into position until it latches in
.
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Assembly:
1. Inspect and clean the tank, ring threads and O-Ring
2. Install diverter by placing it in the bottom of the tank.
3. Install the filter cartridge in the tank. Push down firmly
4. Install the O-Ring in the tank lid O-Ring groove. Be sure
5. Place the tank lid onto the lower filter tank.
6. Place the Posi-Ring
7. Follow instructions in the "Initial Startup" section of
7
latch and press or tap the latch out of the slot in the
tank.
Slide latch out
place.
NOTICE: DO NOT operate the filter if the safety latch
is damaged or will not hold the Posi-Ring
locked position.
groove. Replace damaged parts as necessary.
Align the arrow on the diverter with the inlet port on
the tank.
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
or threads on filter tank as this may collect grit and
make removal difficult.
that the O-Ring is clean and not twisted.
squarely over the filter tank
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threads and rotate CLOCKWISE until securely latched.
this manual.
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S H
P U
Push up
TM in the
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