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 filter ring.
DISASSEMBLY:
1. Stop the pump.
2. Open air release valve on top of filter 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 follows:
A. Press the safety latch (below the ring) toward the tank to
release it (see Figure 3).
B. Hold the latch in the release position and rotate the ring
COUNTERCLOCKWISE 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, cracking, deformation or signs of wear;
replace if necessary.
NOTICE:
Do not remove the O-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.
Figure 3
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 O-ring sealing area inside the upper
tank lip with silicone base grease, as other lubricants may cause the
ring to swell. DO NOT lubricate the filter ring or the threads on the
tank shell as this may collect grit and make removal difficult.
3. Install the O-ring in the tank lid assembly O-ring groove. Be sure that
the O-ring is clean and not twisted.
NOTICE:
Do not remove the O-ring unless you need to replace it.
4. Place the filter ring squarely over the tank shell threads and
rotate it CLOCKWISE until it is securely latched.
5. Follow instructions in the “Initial Startup” section of this manual.
SAFETY LATCH
The purpose of the safety latch is to hold the filter 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
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 filter ring in the locked position.
Filter Ring
5
