STA-RITE Swimming Pool Filter - Manual (Page 9)

9
FILTER DISASSEMBLY/
ASSEMBLY PROCEDURE
Hazardous pressure. Before disassembling filter:
1. STOP PUMP.
2. CLOSE isolation valves.
3. OPEN air release valve and drain fitting.
4. WAIT until all pressure is released and water drained from filter tank and
system before loosening Posi-Lok™ 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-Lok™ ring as follows:
a. Press safety latch (below the ring) toward the tank to release it (see Figure
5).
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
shell surfaces to pry tank shells apart.
6. Separate upper and lower tank shell halves using tabs on bottom of
Posi-Lok™ ring. Insert tab into slot located at tank joint and twist ring to pry
shell halves apart. See Figures 6 and 7.
7. Remove O-ring from upper tank shell. Inspect for cuts, cracking, deforma-
tion or signs of wear; replace if necessary.
NOTICE: To avoid strain or damage, allow filter module to drain before lift-
ing it out of the tank.
SAFETY LATCH (See Figure 8)
The purpose of the safety latch is to hold the Posi-Lok™ ring in the locked po-
sition. If the latch is damaged, replace it as follows:
1. Press down on the small catch behind the safety latch and press or tap the
latch out of the “Tee” slot in the tank (see Figure 8).
2. Snap the new latch into position.
NOTICE: DO NOT operate the filter if the safety latch is damaged or will
not hold the Posi-Lok™ ring in the locked position.
Assembly:
1. Inspect and clean the tank, ring threads and O-ring groove. Replace dam-
aged parts as necessary.
2. Install the filter by placing the port in the bottom of the filter cartridge over
the tank outlet port. Push down firmly to seal.
3. Ensure that the air bleed assembly on top of the module is clean and prop-
erly mounted.
NOTICE: Lubricate O-ring only with the silicone grease provided or equiv-
alent, as other lubricants may cause the ring to swell. DO NOT lubricate
Posi-Lok™ ring or threads on lower tank shell as this may collect grit and
make removal difficult.
2152 1195
Figure 6 – Insert ring tab in slot in
filter body.
Figure 7 – Roll ring to one side to
loosen upper tank half.
RELEASE RELEASE
Small
Catch
Figure 8 – Safety Latch
RELEASE RELEASE
Depress Safety Latch
to unscrew Posi-Lok™
Figure 5 – Depress safety latch to
unscrew Posi-Lok™ Ring.