Aqua Guard MP425 Owner's Manual - Page 7

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FIGURE 5

Tighten clamp bolt

and nut using a

torque wrench to

150 inch-lbs.

Clamp Nut

Clamp Bolt

Filter Re-Assembly

WARNING: This product

should be installed and

serviced only by a qualified

pool professional.

Re-Installing Cartridges

1. Flush and drain any dirt or debris from the bottom of the

lower filter body.

2. Flush any dirt or debris from the upper body and from

around the manual air relief area.

3. Carefully replace the cartridges over the hubs on the

bottom seal plate.

4. Place top manifold securely on top of cartridges, aligning

the return pipe with the port in the manifold.

Clean Seal Ring and Seal Surface

1. Remove filter tank seal

2. With a clean cloth, wipe the lower filter body seal surface

and clean seal of all dirt and debris.

3. With a clean cloth wipe the upper filter

NOTICE: Do not use any petroleum solvents to clean filter

components. Do not lubricate seal.

Body and Clamp Re-Assembly

1. Place the metal reinforced seal on lower filter body. (See

Figure 7) Place upper filter body on metal reinforced

seal and lower filter body in a position which allows all

operation and safety labels to be clearly visible and the

upper filter body to be centered on the lower filter body.

Press down firmly and evenly on the upper filter body to

seat the seal. (See Figure 7)

2. Replace the filter clamp around the upper and lower filter

bodies. Hold the clamp ends to position the clamp on the

filter bodies with the clamp ends adjacent to the safety

and operation labels on the filter bodies. (See Figure 7)

3. Insert clamp bolt through the clamp ends and thread the

clamp nut onto clamp bolt with rounded end of the nut

(See Figure 6) towards the ends of the clamp.

FIGURE 6

Clamp Nut

Rounded end of nut

FIGURE 7

Align

Labels

Drain

Plug

Lower

Filter

Body

4. Never rely on hand tightening of clamp nut to clamp bolt.

Using a ¾" socket on a torque wrench, torque clamp nut

to clamp bolt to 150 inch-lbs. (See Figure 5)

WARNING: DO NOT HIT OR STRIKE CLAMP WITH HAMMER

OR METAL TOOLS.

5. Start the pump. See startup instructions on page 5.

Vacuuming Pool

Vacuuming can be performed directly into the filter

whenever needed. Clean cartridges after vacuuming, if

required.

Removing the Manual air relief valve

Your Filter comes with a Manual Air Relief Valve (MAR)

preinstalled from the factory.

For Qualified pool professionals only: If MAR valve needs to

be serviced, follow these instructions carefully.

1. Turn off all system circulation pumps and all electric

power on the equipment pad.

2. Set all system valves in a position to prevent water from

flowing to the filter.

3. The manual air relief valve must be placed in the OPEN

position. (See Figure 8)

4. Wait until all water leakage has stopped.

5. The air relief valve can be removed by screwing the whole

parts counter clockwise.

Re-Installation Of The Manual Air Relief Valve

1. Check the O-Ring seals, replace as needed.

2. With a clean cloth, wipe upper filter body and O-Ring

groove. Remove all dirt and debris

3. Align the notch in the MAR Flange

4. Press the MAR straight down into the upper filter body.

5. Turn the MAR clockwise until the indicator is aligned with

the LOCK position on the upper filter body.

6. Verify the MAR discharge points away from all electrical

connections.

FIGURE 8

To Open

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