Cecilware GB3M-5.5-LD Service Manual

Powdered Beverage Dispenser

Operator Manual

GB Models 1, 2, 3, 4, 5, & 6

Model GB3M10-LD

Model GB5M10-LD

Safety Information..................2

Installation...............................3

Operation ................................6

Cleaning...................................8

Maintenance .........................10

Troubleshooting Guide.........13

Parts Diagram and List..........15

Wiring Diagrams ...................23

Thank you for purchasing this quality powdered beverage dispenser. For your safety and the safety of others,
read all warnings and the operator manual before installing or using the product. Properly instruct all operators.
Keep training records. For future reference, record serial number here:

Table of Contents

Model GB1HC

Grindmaster-Cecilware

4003 Collins Lane, Louisville, KY 40245 USA
Phone: [phone] Toll Free: 800.695.4500
Fax: [phone]
Web: gmcw.com Email: [e-mail]

©2016 Grindmaster-Cecilware

Printed in USA

0516 Form # CW-314-01

Part # 390-00013

Grindmaster-Cecilware provides the industry’s
BEST warranty. Visit gmcw.com for warranty
terms and conditions.

Lifting hazard. Single person lift could cause injury. Use assistance when moving or lifting.
For safe and proper operation, the appliance has to be placed in a stable, vertical position.
The appliance is not to be used by persons with reduced physical, sensory, or mental capabilities, or lack of

experience and knowledge, unless they have been given supervision or instruction. Be sure to provide supervision
or instruction concerning use of the appliance in a safe way and understand the hazards involved.

Children must be supervised to ensure they do not play with the appliance.
The appliance is only to be installed in locations where it can be overseen by trained personnel.

CAUTION

To avoid damaging unit, turn on power and wait for tank to fill with water before turning on heater.
Observe machine voltage configuration. Do not apply improper voltage to machine or damage to machine will

occur.

Do not use extension cord.

NOTICE

The appliance is not intended for outdoor use.
Do not clean with pressurized water or use in an area where pressurized water may be used.
Cleaning and maintenance shall be made only by properly trained persons with supervision.

WARNING

Safety Information

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GB Series

Important Safety Information

This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages
that follow this symbol to avoid possible injury or death.

For your safety and the safety of others, read all warnings and the operator manual before installing or using
the product.

DANGER: This term warns the user of imminent hazard that will result in serious injury or death.
WARNING: This term refers to a potential hazard or unsafe practice, which could result in serious injury or death.
CAUTION: This term refers to a potential hazard or unsafe practice, which could result in minor or moderate

injury.
NOTICE: This term refers to information that needs special attention or must be fully understood.

CAUTION: Lifting hazard. Single person lift could

cause injury. Use assistance when moving or lifting.

Water Inlet Connection:

NOTICE: This equipment is to be installed to comply

with the applicable Federal, State, or local plumbing
codes having jurisdiction. In addition:

1. A quick disconnect water connection or enough
extra coiled tubing (at least 2x the depth of the
unit) so that the machine can be moved for
cleaning underneath.

2. An approved backflow prevention device, such as
a double check valve to be installed between the
machine and the water supply.

The GB beverage dispenser is equipped with a 1/4"
Flare Water Inlet fitting, which is located on the left
side in the back of the base (when looking at the
machine from the front).

Water pipe connecting and fixtures directly connected
to a potable water supply shall be sized, installed, and
maintained in accordance with Federal, State, and
Local codes.
HIGHLY RECOMMENDED:
A WATER SHUT-OFF VALVE and A WATER FILTER,
preferably a combination Charcoal/Phosphate Filter, to
remove odors and inhibit lime and scale build up in the
machine.
Note: In areas with extremely hard water, a water
softener must be installed in order to prevent mineral
deposits that could result in malfunctioning of the
equipment and in order not to void the warranty.

Unpacking Instructions

Carefully unpack the GB Machine and inspect
immediately for shipping damage. Your GB Machine
was shipped in a carton designed to give it maximum
protection in normal handling. It was thoroughly
inspected before leaving the factory. In case of
damage, contact the shipper, not Grindmaster­Cecilware.

After the machine has been unpacked and placed on a
counter, pull out the stainless steel drip tray. It should
contain the following:

• 1/4” Flare Water Inlet Fitting.

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Installation

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GB Series

Description and Location of Components

Note: Refer to following illustration for description and location of COMPONENTS and CONTROLS.

Installation (continued)

4 lb. 4 lb.

14 lb.

14 lb.14 lb.

1

1

5

5

2 lb.

2 lb.

LAMP
SOCKET

14 lb.

GRAM THROW,
STRENTH
ADJUSTMENT

4 lb. 4 lb.

DRIP TRAY

GB2-LP

DRIP TRAY DRIP TRAY

2K- GB

FRONT VIEW GB3 SHOWN

DRIP TRAY

GB2M-5.5

GB2-SKI

LAMP

LAMP
STARTER

CORD SET

PRODUCT GUIDE

WHIP CHAMBER

RIGHT SIDE VIEW

DRIP TRAY

GB2-Super SKI

TANK ASS'Y

CUP SIZE,
VOLUME
ADJUSTMENT

HOT WATER SPOUT

CAPP. SPOUT [2]

SHELF

LABEL AREA

PRODUCT LABEL

DISPENSE BUTTON

POWER SWITCH

PILOT LIGHT FOR
HEATER

WHIPPER MOTOR

BLOWER DUCT HOSE

FAN/BLOWER

SPOUT

RINSE SWITCH

DRIP TRAY

DRIP TRAY

HI-LIMIT (TEMP)

WATER LEVEL CONTROL

DISPENSE VALVE

HEATER ASS'Y

AUGER MOTOR

THERMOSTAT

DRAIN HOSE W/PLUG

WATER INLET HOSE

POWER
CORD

WATER INLET VALVE

RELAY/TIMER

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Installation (continued)

1. HOPPERS: Depress the door latch on the left
side of the door and pull door open to access
the hoppers.

• The hoppers hold up to 14 lbs. (14 kg) of
Cappuccino product and up to 1.5 lbs. (0.7kg) of
freeze dried coffee product, depending on
model.

• To remove the hoppers swing the top
compartment door open and lift out the
hoppers.

• To reposition the hoppers in the
compartment, slide the hopper base back
between the rails until the 1/4" pin at the
bottom of the hopper base falls into the 1/4"
positioning hole of the compartment base
cover.

2. RINSE SWITCH: With the door open, the rinse
switch is located on the left side of the first
Whipper chamber.

• In the RINSE position, it disengages the
hopper motors and allows only water to be
dispensed.

• It is used for flushing out the Whipper
Chambers and to adjust the water dispense
valves for proper flow rates.

3. HEATER SWITCH: This switch is located inside
the cabinet behind the right hopper. Open door
and remove right hopper to access it.

• Its primary function is to shut off the heating
element during the initial priming, start-up
operation of the machine, or whenever the
tank is being drained for service.

Note: The Power Switch and Heater Switch must

be ON in order for the elements to operate.

4. POWER SWITCH: This switch is located on the
left side of the splash panel below the door. On
120V, 1.8 KW and 120/240 or 240V, 3 KW single
element machines the power switch controls all
power to the machine including the heater
elements.

Note: On 120/240V, 6 KW machines, the Power and

Heater Switches are independent of each other.
Both switches must be OFF in order for the
machine to be completely shut down.

5. WATER LEVEL CONTROLS: Under normal
conditions and operation, the water level in the
tank should not drop more than 1/2" (1.3cm)
from the probe. If it does, the tank is not
refilling fast enough. Check the water line and
water filter; they may need cleaning or
replacing.

1. Tank Control Board Part# 349-00012
(Export 240V Part# L706AL)

2. Water Inlet Valve Part# L462AL
(Export 240V Part# L426AL)

3. Water Level Sensor Part# K695QL

Start-up Procedure

NOTICE: Make sure that the Heater Switch, located

behind right hopper with door opened, is in the OFF
position.

1. Connect the 1/4" dia. copper waterline to the
1/4" flare water inlet fitting of the valve.

2. Plug the power cord(s) into a proper receptacle.

Note: GB8M10 units use two power cords. Each cord
must be plugged into a separate receptacle.

3. Activate the Power Switch (Toggle Up). The
door display panel, the red power indicator
light and the green dispense buttons will light
up and the tank will start filling. Allow
approximately 4-5 minutes for the tank to fill.

4. Activate the Heater Switch. Allow
approximately 10-30 minutes for the water to
reach a temperature of 190°F (88°C). The heat
up time will depend on the water inlet
temperature, the input voltage, and the
wattage of the elements in the machine.

5. Place a 8 oz. (240ml) or larger cup under the left
dispense nozzle, press and hold the left
dispense switch for 6 seconds. The machine will
dispense water at the rate of 1 oz. (30ml) per
second. Repeat it several times to check for
consistent output. Repeat same for the other
dispense switches. This procedure checks that
the dispense valves are not air-locked.

6. While the tank is heating, remove the hoppers,
load them with products, and reposition them
back in the machine. When the green ready
light comes on, the tank has reached its brew
temperature and the machine is ready to
dispense the first cup of Cappuccino.

Filling the Hoppers

1. To remove the hoppers, swing the top
compartment door open and lift out the
hoppers.

2. Fill each hopper with the correct product.

3. Reposition hoppers in the hopper
compartment, making sure the hoppers are
properly seated.

If you need help, call Grindmaster-Cecilware Technical
Service Department, [phone] or [phone]
(USA & Canada only) 8 AM - 6 PM EST.

Prior authorization must be obtained from
Grindmaster-Cecilware for all warranty claims.

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Your new powdered beverage dispenser is easy to
operate and maintain. Before you place it in service,
please have all personnel familiarize themselves with
these instructions. Keep this manual in a convenient
place for ready reference.

How to Operate

To dispense a cup of Cappuccino or Coffee:

• Place an 8 oz. (240ml) or larger cup under selected
drink dispense nozzle.

• For Manual units: Push and hold brew button until
cup is 2/3 full, then release button.

• For Automatic units: Press and Release button. Cup
will fill up automatically to its preset amount.

Adjustments
Water Flow Rate Adjustment

Adjust water flow rate to correct level in Whipping
Chamber.
The Dispense Valves are factory adjusted for a
maximum Flow Rate of 1 to 1.3 oz./sec (30-38 ml/sec).
[Approximate settings: 1.3 oz./sec (38 ml/sec) for
COFFEE and CAPPUCCINO]
Exceeding this Flow Rate will cause the Mixing Chamber
to overflow.
Note: To access the Water Dispense Valves, open door
and remove Hoppers.

Temperature Adjustment (Tank Control Board
Type)

1. Locate the Tank Control Board.

2. Press button under right side of display to increase
temperature.

3. Press button under left side of display to decrease
temperature.

4. Pressing both buttons simultaneously will reset to
default 190°F (88°C).

Temperature Adjustment (Thermostat Type)

1. Locate Thermostat: Remove the right side panel.
Thermostat is mounted on side of tank.
The GB beverage dispensers are factory set to
deliver hot brewing water at 190°F (88°C) with the
thermostat knob turned to full ON position. If
adjustments should be necessary to increase or
decrease the water TEMPERATURE, proceed as
follows:

Note: Set the Rinse Switch to ON. This will disengage

the Hopper Motors when dispensing water for
Temperature measurements.

2. To INCREASE the water temperature - With the
Thermostat Knob to its maximum clockwise
position, remove the knob and locate the slotted
adjustment screw inside the hollow thermostat
shaft. Using a narrow-bladed screwdriver, engage
slotted adjustment screw and turn it ¼ turn slowly
counter-clockwise.
Allow a few minutes for the temperature to reach
set level. The Heater Light will go ON, indicating the
heating element is activated, wait for it to go OFF,
indicating that the water has reached new set
temperature. Take a temperature reading and
repeat if necessary.

3. To DECREASE the water temperature - simply turn
the Thermostat Knob one notch counter-clockwise
to the next lower dial setting.

Display

Decrease

Increase

190°

Operation

TO ADJUST WATER FLOW RATE:

1. Open door and remove
hoppers. Locate Dispense
Valve behind hoppers,
mounted on tank.

2. Locate adjustment screw on
Dispense Valve.

3. Using Allen Key or flat
screwdriver rotate, 1/4 turn at
a time,

CLOCKWISE to decrease water

flow, or

COUNTERCLOCKWISE to increase

water flow.

4. Check water flow output,
after each 1/4 turn.

WATER FLOW ADJUSTMENT

DISPENSE VALVE

DISPENSE CAP

Adjust Water Flow Rate so that the
water level reaches half way up in
the Mixing Chamber, as shown.

CORRECT WATER

LEVEL FOR MAX

FLOW RATE.

TRIANGULAR RIB

MIXING CHAMBER

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Operation (continued)

GB SKI SUPER - VOLUME AND PRODUCT STRENGTH ADJUSTMENTS

DRINK STRENGTH ADJUSTMENTS - by adjusting the Auger Speed.
I. UNITS WITH FIXED SPEED AUGER MOTORS-AC [CD150] - Fixed Auger Speed [95 RPM] and dispenses powder at a constant fixed rate.

Drink Strength adjustments can be made by adjusting the water flow rate on the Water Dispense Valves.

1. Remove Hoppers to access the Dispense Valve, located behind the hoppers.

2. Locate Flow Adjustment Screw on Dispense Valve.

3. Rotate adjustment screw Counterclockwise to INCREASE Flow Rate, Clockwise to DECREASE Flow Rate.

(Note: the wa

ter flow rate should not exceed 1 to 1.3 oz./sec.)

Do not turn Adjustment Key more than 1/4 turn at a time without checking drink strength (ratio of water to powder).

II. UNITS WITH VARIABLE SPEED AUGER MOTORS-DC [CD151] - Variable Auger Speed [10 to 130 RPM]
Drink or Product Strength adjustments can be made by adjusting the Auger Motor RPM [knob on inside door panel],
which controls the amount of product being dispensed [gram throw]. The gram throw is factory preset at 7.
Because the consistency of each product varies, the customer can set the desired gram throw for each hopper.

The water flow rate on the Dispense Valves should remain fixed.

Note: the water flow rate should not exceed 1-1.3 oz./sec to avoid spillage fr

om dispense chamber.

DRINK SIZE ADJUSTMENTS
a. Manual Machines : Hold down the Dispense Button until desired amount is dispensed.
b. Automatic Machines with Timer L493A on Inside Door Panel NOT Programmable] & speed control
board L556A: To increase the volume, turn the dial to the next increment. [0-1 is equivalent to 2 sec.]
c. Automatic Machines with Programmable "Teach me"Timers [L576A or L582A]: These units do not

have a cup size adjustment knob inside the door, since the timer is programmable from the dispense butt

on.

PROGRAMMING FOR AUTOMATIC DISPENSE WITH BUZZER

1. Turn Power Switch ON (toggle switch inside door).

2. PRESS and HOLD [red] STOP Button with one hand.

3. PRESS and HOLD [green] DISPENSE Button with other hand.

4. RELEASE [red] STOP Button ONLY.

5. Continue to HOLD [green] DISPENSE Button until buzzer sounds
for (4 SEC. DELAY), then RELEASE.

6. PRESS and RELEASE [green] DISPENSE Bu

tton. Product begins dispensing.

When it reaches the "DESIRED VOLUME",

7. PRESS and RELEASE [green] DISPENSE Button to SET "DESIRED VOLUME".
DISPENSE Button can be "jogged" to top off.

8. PRESS and RELEASE [red] STOP button to LOCK IN "DESIRED VOLUME".
Repeat steps 1 to 8 for each Dispense Button.

PROGRAMMING INSTRUCTIONS FOR

1. PRESS AND HOLD STOP [red] BUTTON WITH ONE HAND.

2. PRESS AND HOLD DISPENSE [green] BUTTON WITH OTHER HAND.

MANUAL DISPENSE WITH BUZZER

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3. RELEASE STOP [red] BUTTON.

4. CONTINUE TO HOLD [green] BUTTON AFTER BUZZER SOUNDS (4 SEC. DELAY).

5. RELEASE DISPENSE [green] BUTTON.

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6. PRESS AND RELEASE STOP [red] BUTTON.

7. YOU ARE READY FOR MA

NUAL DISPENSE.
The Total Time The Water Is Running Is Accumulated And Saved Into Memory. For Normal Operation,
Press and Release Dispense Button.
The Timers Have Been Factory Preset for 6 oz. Cups for Coffee; For 8 oz. Cups for Soup and Cappuccino.
To Change To La

TO CHECK VOLUME AND GRAM THROW DISPENSED

rger Or Smaller Cup Sizes [Volumes] Repeat Steps 1 To 8 Above.

(ratio):

1. Remove the product guide from the hopper and position a receptacle under the hopper nozzle to catch the gram throw of product.
Also place a measuring cup under extension tube to catch the water dispensed.

2. Push the dispense button and check the amount of product dispensed, am

ount of water dispensed, and time [use stop watch] to dispense that water.

3. The amount of of water dispensed in the measuring cup divided by the amount of time to dispense that water is the Water Flow Rate from Dispense
Valve.

FOR CAPPUCCINO: The machine is factory adjusted to di

spense 4-4.5 gr./sec. per OZ. Cup. [32 grams Product per 8 oz. cup]

The recommended throw is 28-32 grams per 8 oz. cup for Cappuccino, with 80% fill.

FOR COFFEE: The machine is factory adjusted to dispense 0.3 gr./sec per OZ. Cup. [1.5 grams of coffee product per 5 oz. of liquid (in a 6 oz. cup).
The recommended th

row is 1.5 to 1.8 grams per 6 oz. cup of Coffee, with 80% fill.

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GB Series

NOTICE: All sanitizing agents in the food zone must

comply with 21 CFR 178.1010.
Sanitize all food dispensing units periodically. All parts
to be sanitized must be cleaned first. Cleaning and
sanitizing frequency must follow state and local health
department regulations.

Daily maintenance:

1. Rinse whipper chambers

• Position a container under dispense tubes.

• Move rinse switch to "rinse".

• Push and hold each dispense button 3 to 5 sec.

• Move rinse switch to "serve".
Note: On manual dispense machines, push and hold the
dispense buttons for 10 seconds.

2. Empty drip tray, wash, rinse, and sanitize.

3. The outside of the machine can be cleaned with

warm soapy water and a damp cloth.

Weekly maintenance:

1. Product hopper cleaning

• Rotate product guides up, remove hoppers from

machine.

• Empty powder into pans.

• Pull off product guides.

• Remove agitator wheels.

• Unscrew and remove front and back auger locks.

• Remove auger.

• Wash, rinse, sanitize, and air dry all small parts.

• Wash & scrub hoppers and agitator wheel recesses

with bristle brush. Rinse, sanitize, and allow to air
dry.

• Reassemble all hoppers.

• Pour powder into hoppers.

• Install all hoppers into unit.

2. Whipper chamber cleaning

• Remove dispense caps by turning and lifting.

• Remove mixing bowls by lifting and pulling.

• Remove product tubes by pulling down.

• Twist off whipping chambers clockwise.

• Pull off whipper blades.

• Twist off whipper chamber mounts clockwise.

• Remove O-rings.

• Remove tray by pulling levers down.

• Remove both powder trays by pulling levers out.

• Wash, rinse, and sanitize small parts and interior
machine surfaces.

• Reassemble all small parts.

Note: When reassembling, align flat keyway inside
blade with flat keyway of motor shaft. Push the
whipper blade all the way on.

Sanitizing

1. Prepare a sanitizing solution in accordance with
local health department regulations. You may also
refer to the US Food and Drug Administration
regulation 21 CFR 178.1010 “Sanitizing Solutions”
and US Environmental Protection Agency 40 CFR

18.940 “Tolerance exemptions for active and inert
ingredients for use in antimicrobial formulations
(Food-contact surface sanitizing solutions)”.

2 Follow the instructions provided with the sanitizing

agent.

3 Let all sanitized parts drain and air dry. DO NOT

WIPE THEM DRY.

Cleaning

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Cleaning (continued)

AGITATOR GEAR

AGITATOR WIRE

AUGER BUSHING FRONT

AUGER

PRODUCT GUIDE

DISPENSE CUP

MIXING CHAMBER

AUGER MOTOR

NUT [2]

FLANGE/ NUT

AUGER BUSHING-BACK

MIX BOWL SOCKET

BASE MOUNT GROMMET

WHIPPER CHAMBER

TWIST TO REMOVE

MOUNTING BASE

'O'-RING #

EXTENSION TUBE

WHIPPER BLADE

125

SLINGER DISC

Maintenance

Lit Display Replacement

WARNING Riskof electrical shock. Turn off power to unit before replacing bulb or starter.

To replace the picture inside metal door:

Lift up the two end tabs on top of door with a pointed object or flat head screwdriver.

Pull the entire picture frame out. Open up the two clear panels and replace picture.

Tuck clear plastic panel inside bracket at top.

Be sure to tuck clear panel under bracket before sliding frame assembly inside door.

The longer metal tab side goes in the front.

To replace the picture inside molded door:

Remove molded door front by removing side screws. Slide out clear plastic panel with picture.

Replace picture and slide the plastic panel w/ new picture into the door frame. Then put front molded door back
on with screws on the sides.

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Recommended preventive maintenance

1) Dispense Valves

• Check all dispense valves for lime build-up.

• Drain the water tank to just below the level of
the dispense valves.

• Remove the valves and clean. (Take these valves
apart byhand as shown).

• Replace the assembly as needed (L467AL -120V
or L676AL - 230V import).

• Replace the valve into the tank and refill tank.

• Repair Kit M491QL.

2) • Check all chamber mounts for signs of wear:

• Product runningdown the front of the unit.

• Product built up on the back of chamber
mount.

• Remove chamber mount.

• Clean and re-lubricate motor shaft using food
grade lubricant only.

• Replace with new chamber mount.

3) • Clean out vent motor, trough, and tubing.

• Lift up black tabs, remove trough drawer.

• Clean and replace trough drawer.

• Remove hose assembly from the motor.

• Clean out and replace hose.

Maintenance (continued)

Dispense Valve

Chamber Mount

WATER FLOW ADJUSTMENT