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SERVICING INSTRUCTIONS (continued)
IMPORTANT: Water pressure
must be between 20 p.s.i and
90 p.s.i. flowing pressure.
If water pressure exceeds this
value, or if water pressure
varies greatly, a pressure
regulator must be installed in
the water supply line.
IMPORTANT: Before setting
assembly into tank, make sure
tank lid gasket is properly
seated on flange of lid.
IMPORTANT: When mounting
thermostat, be sure a new seal
washer is placed below the
fitting on the capillary line.
Push sensing bulb thru tank lid
until fitting seats.
Tighten capillary lock nut only
enough to ensure no water
leakage. Excessive tightening
is not necessary.
SOLENOID TIME ADJUSTMENT
The amount of water dispensed automatically during a brew cycle
is controlled by the SOLENOID TIME section of the controller.
Place empty dispenser under brew chamber. Press the BREW
switch. Including both brew water and dilution water, brewer
should dispense:
A total of 3 gallons (Model 8742) of water; or,
A total of 5 gallons (Model 8748) of water.
To adjust:
Remove top panel.
Total delivered volume is dependant upon the total time the
solenoid is energized. Adjust timer; clockwise increases time;
counterclockwise decreases time. Run several cycles to check
total amount of water delivered.
Adjust dilution. Turn needle valve all the way in (closed), then
open 4-1/2 turns.
Brew several batches of tea to check for proper concentration
and taste. Readjust needle valve and timer as required.
Reinstall top panel.
REMOVE TANK COVER ASSEMBLY
Unplug brewer or turn circuit breaker OFF. Turn OFF water
supply. Remove top panel.
Disconnect brew fill and outlet tubes from tank lid fittings.
Disconnect all wiring from thermostat, hi-limit and heating
element.
Loosen center screw on tank hold-down bracket. Remove
hold-down bracket by sliding short slotted end off of locking stud
and lifting it off. Remove cover assembly by lifting it straight up.
Reassemble in reverse order.
REPLACE THERMOSTAT
Unplug brewer or turn circuit breaker OFF. Turn OFF water
supply. Remove top panel.
Disconnect all wiring from thermostat only. Loosen and free jam
nut from pass-thru fitting securing temperature sensing bulb.
Remove two screws holding thermostat to bracket.
Lift out thermostat, sensing bulb and thermostat gasket.
Reassemble in reverse order.
Fig. 11 Adjust Solenoid Time
13
606 Owners Manual for 8742-8748 Tea Brewer 76116