12
Filter Cleaning
The ACT I00S and C200S
filter have two or more filter
elements
that
should
be
serviced each time the unit is
inspected. The primary back
flushing filter is a ring disk
filter and is housed in the
upright canister(s). Open and
remove the retaining ring
using the included spanner
wrench. Carefully remove the
stack of rings making sure to
hold the bottom end with one
finger as shown. Be sure that
the “thicker” or “heavier”
retainer ring comes along with
the disc stack.
Be sure that the gray stack base remains firmly set in the filter body. Be careful not to
loose the compression spring on top of the disc stack. It has two parts, the spring and
alignment button.
Place the rings on a small rope or length of braded wire. Clean the rings with
detergents and treat with a chlorine solution such as household bleach. Agitate
aggressively and rinse.
Inspect the rings and insure that the etched disks are open and clear of debris. It may
be necessary to clean the rings with acid to remove more difficult deposits. You can use
full strength or slightly diluted muriatic acid (no less than 50% acid by volume).
DO
NOT INHALE FUMES!!! OR ALLOW ACID TO COME IN CONTACT WITH SKIN. IF
