Grindmaster 2450, 1750 installation manual Yearly Cleaning

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Care and Cleaning

Monthly Cleaning

Clean Group Head, Screen and Group Head Gasket

1.Remove screw holding screen in place.

2.Remove and clean screen, shower, and group head gasket.

3.Wipe and clean group head.

4.Reinstall gasket, shower, and screen, and then tighten screen securely.

(Note: There are numbers molded onto one side of the gasket. Insert gasket with numbers facing up.)

Make sure gasket is positioned in place.

Yearly Cleaning

Inspection, testing, and repair of this espresso machine, including the following procedures should only be performed by a qualified service technician.

Replace head gaskets annually.

Clean group strainer, replacing if necessary.

Flush heat exchanger by running water through the hot water spout and check for proper flow.

Check steam pressure to be approximately 17-20 P.S.l.

Check group head pressure to be approximately 125 P.S.I.

Empty the Boiler

The following is proper procedure for emptying and replacing water in the boiler.

1.Turn “OFF” and unplug machine.

2.Turn pressure down to 0 P.S.I. by directing the steam wand over the drain pan and pulling down the steam handle.

3.Take out main heater by removing four bolts and disconnect the two wire terminals.

4.Check for buildup on heater. De-lime or replace heater if necessary.

5.Siphon water out of the boiler and check for clarity. Refill with water.

6.Cover the heater terminal wires with electrical tape.

7.With main power switch of machine “OFF,” plug in machine.

8.Boiler will begin to fill. Check for fill time of 3 to 5 minutes. Look for proper water level to be about 3 inches from the top of boiler.

9.Repeat as necessary.

10.If all is correct, unplug and reinstall heater using a new heater gasket.

Clean Pump Strainer

1.Turn “OFF” and unplug machine.

2.Turn “OFF” water supply.

3.Remove strainer bolt.

4.Remove strainer and clean.

5.Reinstall strainer.

6.Turn on water.

Plug in. Make sure boiler is filled ("AUTOFILL" light will be OFF.) Turn machine “ON.”

Check for proper brew levels.

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Espressimo 2450 & 1750 Espresso Cappuccino Machines

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Contents Models 2450 Page Overview Espresso and espresso-based drinks Failure to use in-line water Filter voids warranty Initial PreparationUnderstanding Basic Concepts about Brewing Espresso How espresso is made differently from regular brewed coffee1750 & 2450 External Machine Parts Back Splash PanelAccessories InstallationImportant Note about Vacuum Breaker Programming the Portion Buttons for 2450 Espressimo Machines How to Brew Espresso Before You StartHow to Froth Milk How to Steam Milk Care and Cleaning Yearly Cleaning Adjustments How to Adjust the Pressure ControlHow to Adjust the Pump Pressure Problem Possible Cause Solution Coffee Taste and Appearance GuideTroubleshooting Guide Troubleshooting Guide Cont’d Troubleshooting Guide Cont’d Plumbing Guide Models 1750 & 2450 Wiring Schematic Models 1750Q & 2450Q Wiring Diagram Models 2450, 2450Q & 2450E Exploded View Page 1 Models 2450, 2450Q & 2450E Exploded View Page 2 Models 2450, 2450Q & 2450E Exploded View Page 3 Models 1750, 1750Q & 1750E Exploded View Page 1 Models 1750, 1750Q & 1750E Exploded View Page 2 Models 1750, 1750Q & 1750E Exploded View Page 3 Page Grindmaster Corporation Form # ES-351-08 60236