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Operation - Hayward AQL-CHEM4-ACID Owner's Manual

Acid feed system

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OPERATION:

The Muriatic acid is stored in the 15 gallon storage tank below the pump. DO NOT OVER FILL as
the tank only holds 15 gallons. The Muriatic acid is pumped from the tank utilizing a 3/8" pick up
tube to the pump, through the small tube, and then to the Return to Pool Line.
This system is designed for:
Muriatic Acid (HCl)
Hayward recommends dilution rates of:
1 gallon of Muriatic acid to 3 gallons of water with Pools
1 gallon of Muriatic acid to 5 gallons of water with Spas
ALWAYS ADD ACID TO WATER NOT WATER TO ACID!
REPLACING THE FEED TUBE:
The Santoprene feed tube should be replaced every 3 to 6 months
1. Disconnect the pump from the power supply.
2. Remove the faceplate. (Note: the bearing [transaxle] will be seated in front of the roller.
Gently pull the faceplate and the bearing assembly until it is unseated. Be careful not to
lose the bearing assembly, attached to the back of the faceplate, or the screws.
3. Turn the roll holder clockwise, so that the bottom roller is equally spaced between the
intake and discharge fittings.
DANGER
Chemical Hazard
swallowed or inhaled. Inhalation can cause lung damage.
To avoid death or serious injury:
• Wear eye and skin protection while maintaining or servicing this unit.
• Wear compatible rubber gloves.
• Use in a well ventilated area.
4. Unscrew the compression nuts over the blue tubing and remove the tubing from the feed
tube fittings.
5. Lift and remove the feed tube fitting on the lower left side (inlet) of the pump from its seat
by sliding it away from the tank. Lift and remove the feed tube fitting on the lower right
side (outlet) of the pump from its seat by sliding it away from the tank.
6. Manually rotate the roller clockwise, while lifting the feed tube, until the feed tube comes
away from the pump.
To install a new feed tube:
1. Manually rotate the roller clockwise until the rollers are at the 3 o'clock and 9 o'clock
positions.
2. Insert the curved side of the new feed tube into its seat on the left side of the pump.
3. Manually rotate the roller clockwise while pushing on the feed tube until the right side of
the feed tube is easily inserted into its seat. (Curved side first.)
4. Re-install the faceplate, starting at the top and pressing the bearing into the countersink
on the roller assembly. Install the two screws.
5. Unscrew the compression nut on the feed tube left side (inlet). Slide the nut over the 6"
long blue tubing going to the pickup tube. Install the tubing over the male compression
portion of the feed tube fitting. Firmly hand tighten the nut.
6. Unscrew the compression nut on the feed tube right side (outlet). Slide the nut over the
long blue tubing going to the return to pool check valve. Install the tubing over the male
compression portion of the feed tube fitting. Firmly hand tighten the nut.
:
Muriatic Acid (liquid and mist) can cause burns, may be fatal if
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
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