3.
Fill the trap on the pump with
water.
4.
Open the air release valve on top of
the filter.
5.
Open the isolation valves.
6
. Start the pump to purge air from the
system.
7.
When a steady stream of water co-
mes from the air release valve, close
the valve.
NOTICE:
Leaking around the Posi-Ring
TM
may
indicate that the ring is not fully lo-
cked. In this case, proceed as follows:
A.
Stop the pump and open the air
release valve to release any pres-
sure within the filter.
B.
Remove the drain plug and
drain all water from the filter.
C.
Rotate the Posi-Ring
TM
clock-
wise until it locks behind the
safety latch (see Figure 2).
D.
If the ring was already locked,
remove it and the filter lid assem-
bly. Inspect and clean the O-ring
and all sealing surfaces. Relubri-
cate the O-ring, if necessary.
NOTICE:
Lubricate the 0-ring
only with silicone grease, as other lu-
bricants may cause the ring to swell.
DO NOT lubricate the Posi-Ring
TM
or
the threads on tank shell as this may
collect grit and make removal difficult.
After the filter is operating, record the
filter pressure gauge reading in the
owner’s manual for future use.
FILTER DISASSEMBLY/ ASSEMBLY
PROCEDURE
Before disassembling filter:
1.
STOP PUMP
.
2.
OPEN air release valve and
drain fitting.
3.
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.
Open air release valve on top of fil-
ter tank to release all pressure from
inside of tank.
3.
Remove the drain cap and drain all
water from the tank.
4.
Remove filter lid assembly as fol-
lows:
a.
Press the safety latch (below
the ring) toward the tank to
release it (see Figure 3).
b.
Hold the latch in the release po-
sition and rotate the ring COUN-
TERCLOCKWISE to remove it. If the
ring is difficult to turn, tap it gently
with a rubber mallet to overcome
initial resistance.
5.
Inspect the O-ring for cuts, cra-
cking, deformation or signs of wear;
replace if necessary.
NOTICE:
Do not remove the 0-ring unless you
need to replace it. To remove it, hook
it out of its groove with a stiff curved
piece of wire inserted through the
small access slot in the bottom of the
tank lid assembly.
SAFETY LATCH
The purpose of the safety latch is to
hold the Posi-Ring
TM
in the locked po-
sition. If the latch is damaged, replace
it as follows:
1.
Press up on the smalI 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 the filter cartridge in the
tank. Push down firmly to seal it.
NOTICE:
Lubricate the 0-ring only with the sili-
cone grease provided or equivalent,
as other lubricants may cause the ring
to swell. DO NOT lubricate the Posi-
INSTALLATION
Air Release Valve
Pressure Gauge
Tab
Latch
Fig. 2 – Rotate Posi-Ring™ until
tab locks behind the safety latch.
Fig. 3 – Depress safety latch to
unscrew the Posi-Ring™.
- POSI-CLEAR™ -
Page
12
