Bloomfield 9220 9221 - Manual (Page 14)

SERVICING INSTRUCTIONS
CAUTION -
CHEMICAL BURN
HAZARD
Deliming chemicals are caustic.
Wear appropriate protective
gloves and goggles during this
procedure.
Never siphon deliming
chemicals or solutions by
mouth.
This operation should only be
performed by qualified and ex-
perienced service personnel.
IMPORTANT: DO NOT spill,
splash or pour water or deliming
solution into or over any internal
component other than the inside
of the water tank.
IMPORTANT: DO NOT allow
any internal components to
come into contact with the
deliming solution. Take care to
keep all internal components
dry.
NOTE: Repeat steps 4 and 7
as required to remove all build-
up.
PROCEDURE: Delime the Water Tank
PRECAUTIONS: Disconnect brewer from electric power.
Allow brewer to cool.
FREQUENCY: As required (Brewer slow to heat)
TOOLS: Deliming Solution
Protective Gloves, Goggles & Apron
Mild Detergent, Clean Soft Cloth or Sponge
Bristle Brush, Bottle Brush
Large Sink (or other appropriate work area)
1. Disconnect brewer from the electrical supply.
2. Remove the brewer top panel, then remove the tank lid
assembly. Do not disconnect the tank assembly at this
time.
3. Siphon all water from the hot water tank.
4. Mix 10 gallons of deliming solution according to the
manufacturer’s directions. Carefully pour the deliming
solution into the water tank. Lower the lid assembly back
onto the tank. Allow to sit for 30 minutes, or as directed by
the chemical manufacturer.
5. At end of soaking period, reconnect brewer to electrical
power. Install the brew chamber without filter paper or
grounds. Place an empty satellite under the brew
chamber. Force a 1-1/2 gallon brew:
a. Press the 1-1/2 gallon key
b. Press the brew key, then press and hold the brew key
until a brew is initiated.
Empty the satellite and repeat for the other side.
6. Disconnect brewer from electrical power and allow to cool.
7. Remove lid assembly from tank.
a. Using a stiff bristle brush, scrub internal components to
remove lime and calcium build-up.
b. Thoroughly rinse internal components of lid assembly
with clear water.
c. Store lid assembly in a safe location.
8. Using a stiff bristle brush, scrub exposed portions of the
heating element and the inside surfaces of the tank to
remove lime and calcium build-up.
9. Siphon all solution from the tank.
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