Bloomfield 0420 owner manual Procedure Delime the Water Tank, Chemical Burn Hazard

Page 19

SERVICING INSTRUCTIONS (continued)

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 electric power. Turn off the water shut-off valve and disconnect the water supply line from the brewer inlet fitting.

2.Remove the tank lid assembly as described on page 13.

3.Remove the water tank from the brewer body by lifting straight up. Empty all water from the tank. Set the tank back into the brewer.

4.Mix 2 quarts 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 manufacturer.

5.At end of soaking period, remove lid assembly from tank. Thoroughly rinse internal components of lid assembly with clear water. Using a stiff bristle brush, scrub the heating element (and faucet water coil on automatic brewers) to remove lime and calcium build-up. Rinse with clean water. Store lid assembly in a safe location .

6.Remove the tank from the brewer and empty. Using a stiff bristle brush, scrub the interior of the water tank to remove lime and calcium build-up. Rinse with clean water.

7.Set the tank back into the brewer. Reassemble the tank lid to the water tank. Make sure the gasket is properly in place, then reinstall the hold-down strap.

8.Reinstall wiring to heating element and thermostat. Reinstall the hi-limit thermostat (if removed). For automatic brewers, reassemble piping for the faucet. Verify that all internal components are dry, then reinstall the top panel.

10.Reconnect brewer to electrical supply and, for automatic brewers, reconnect water supply.

11.Install the brew chamber without filter paper or grounds. Run at least three full brew cycles and discard all water generated.

12.Brewer is ready to use.

CAUTION:

CHEMICAL BURN

HAZARD

Deliming chemicals may be 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 experienced 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 thru 5 as required to remove all scale and lime build-up.

NOTE: Normally, silicone hoses do not need to be delimed. Should deliming hoses become necessary, Bloomfield recommends replacing the hoses.

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Contents 686 Warranty Statement Specifications Table of ContentsApplicability Features and Operating Controls Automatic Brewers Burn Hazard Precautions and General InformationAgency Listing Information Electrical DamageLeveling the Unit InstallationUnstable Equipment Hazard PLUMBER’S Installation Instructions InstallationShock Hazard ELECTRICIAN’S Installation InstructionsSTART-UP OperationOperation Program Brew VolumesPreparation Operation Brewing CoffeePrepare for Next Brew Procedure Clean Coffee Brewer Cleaning InstructionsSymptom Possible Cause Suggested Remedy Troubleshooting SuggestionsServicing Instructions Access PanelsServicing Instructions Temperature AdjustmentReplace Thermostat Cotherm Remove Tank LID AssemblyReplace Heating Element Replace Solenoid Clean Solenoid ScreenReplace Controller Chemical Burn Hazard Procedure Delime the Water TankCabinet & Electrical Components Exploded View & Parts ListPlumbing Components Service Parts Kits Wiring Diagram Telephone Fax

0420 specifications

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