Waterco Commandomatic Ezysoft Manual For Use And Installation - page 16
9.6. BODY STEM ASSEMBLY
I. Remove the drain hose from the drain line fitting.
II. Remove the 4 timer head screws and pull away the timer
head assembly.
III. Pull forward the main diaphragm; put 2 fingers behind the
membrane and pull out the body stem assembly.
IV. Inspect the centre check disc rubber seal for wear;
clean or replace if necessary.
V. Lubricate the O-rings of the seat insert.
VI. Install the body stem assembly.
VII. Install the seat insert with 1of the 2 flats facing towards the top of the valve body.
VIII. Reverse the procedure for reassembly; make sure the drain port O-ring is securely installed
in the valve body groove.
9.7. CHECK DISC
I. Remove the 4 screws from the back cap.
II. Place a hand under the back cap and remove the back cap;
the check disk spring might fall into Your hand.
III. Remove the check disc from the body stem assembly.
IV. Inspect the check disc rubber seal for wear; clean or replace if necessary.
V. Install the check disc on the body stem assembly and the check disc spring onto the centre
post of the check disc.
VI. Make sure the back cap gasket is securely installed in the back cap grooves.
VII. Align the mark on top of the back cap with the mark on the valve body and install the back
cap with the open end of the check disk spring onto the centre post of the back cap.
VIII. Install the 4 screws and tighten them.
9.8. RISER INSERT
I. Remove the inlet and outlet from the control valve.
II. Remove the drain hose from the drain line fitting and the brine line
from the brine line fitting.
III. Remove the control valve from the resin tank.
IV. Unscrew the upper distributor from the control valve.
V. Remove the 2 screws holding the adapter ring and riser insert in place.
VI. Lift away the adapter ring.
VII. Pull the riser insert out of the valve body.
VIII. Check the O-ring on the riser insert; clean or replace if necessary;
lubricate lightly.
IX. Install the riser insert; press it in firmly.
X. Install the adapter ring and tighten the 2 screws.
XI. Make sure the O-ring in the riser insert of the control valve is in the
correct position; screw the upper distributor onto the control valve.