Filter Grid Disassembly/Assembly; Section 6. Maintenance; General Maintenance - Jandy DEL Series Installation And Operation Manual

Diatomaceous Earth Pool Filters - DEL Series Filter
5.
Remove the tank clamp ring from the fi lter and remove
the tank lid. Inspect the tank o-ring for cracks or tears
and replace if necessary
6. Pull the DE fi lter grid assembly out of the fi lter tank
bottom. Use the handles molded into the manifold to
aid lifting.
7. While the DE fi lter grid assembly is out of the fi lter
tank, rinse the inside of the tank with water. Replace
drain plug.
8. Gently rinse the grids with water. After cleaning the
fi lter grids, place the grid assembly back into the fi lter
tank bottom (see Sections 6.4 and 6.5 for further grid
cleaning instructions).
9. Replace the tank o-ring and tank lid.
10. Reinstall the tank clamp ring. See Section 3.4 for tank
clamp ring installation.

5.2 Filter Grid Disassembly/Assembly

1. Remove the complete grid assembly by following
the instructions in Section 5.1, steps 2-6.
2. Remove the manifold by fi rst unscrewing the tie
rod knob in the center of the manifold. Then lift
the manifold assembly off of the grids and the
outlet tube.
3. Remove the top spacer from the grids.
4. The individual fi lter grids can now be removed
from the grid support. Use care to avoid damaging
the grids.
5. See Figure 8 for the arrangement of fi lter grids in
the fi lter grid assembly.
6. To reassemble the fi lter grid assembly, arrange the
fi lter grids into position on the bottom plate (see
Fig. 8). Use the plastic top spacer to hold the grids
in place.
7. Inspect the o-ring at the top of the outlet tube for
cracks or excessive wear. Replace if necessary.
8. Assemble the manifold to the top of the assembly.
Make sure that the grids and outlet tube fi t
securely into the manifold and that the retaining
rod extends up through the hole in the center of the
manifold.
9. Place the tie rod knob on the tie rod and tighten.
Tighten until the fi lter grid assembly is snug. Do
not overtighten.
10. Reassemble the tank o-ring and tank lid.
11. Reinstall the tank clamp ring. See Section 3.4 for
clamp installation.
OUTLET
PIPE WITH
O-RING
DEL
FILTER
GRID,
SHORT
SPAN
Figure 8. Filter Grid Ar range ment

Section 6. Maintenance

6.1 General Maintenance

1. Wash outside of fi lter with a mild detergent and
water. Rinse off with a hose. Do not use solvents
to clean the fi lter, solvents will damage the plastic
components of the fi lter.
2. Inspect the DE fi lter grids at least twice a year.
Remove any foreign material which has not been
backwashed out of the system.
3. Check pressure during operation at least once a
week.
4. Remove any debris from the pumps and pool
skimmer baskets.
5. Check pump and fi lter for any leaks. If any leaks
develop, turn off the pump and call a qualifi ed
pool service technician.
6. Product safety signs or labels should be
periodically inspected and cleaned by the product
user as necessary to maintain good legibility for
safe viewing distance.
7. Product safety signs or labels should be replaced
by the product user when a person with normal
vision, including corrected vision, is no longer
able to read the safety signs or label message panel
text at a safe viewing distance from the hazard.
In cases where the product has an extensive
expected life or is exposed to extreme conditions,
the product user should contact either the product
manufacturer or some other source to determine
means for obtaining replacement signs or labels.
8. Installation of new replacement safety signs or
labels should be in accordance with the sign or
label manufacturer's recommended procedure.
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BOTTOM PLATE
DEL FILTER GRID
(7 REQUIRED)