Operation Manual
Glastender, Inc. · 5400 North Michigan Road · Saginaw, MI · 48604-9780
800.748.0423 · 989.752.4275 · Fax 989.752.4444 · www.glastender.com
GT-18 SerieS GlaSSwaSherS
GT-18, GT-18+1, GT-18+1L, GT-18+1R, GT-18+2, GT-18+2-IC and GT-18+3
(manufactured after August 2006)
© 2010 Glastender, Inc.
GT-18
GT-18+2
Rev. 04-29-10
Topic Page
Introduction ..................................................................................................... 1
What is a glasswasher? ...................................................................................1
Utility Requirements and Connections ........................................................... 2
Main Section - Front View ............................................................................. 2
Uncrating and Start-Up Instructions ............................................................... 3
Operation ......................................................................................................... 4
Thermostat Control ................................................................................4
Low Water Pressure ................................................................................ 4
Exploded View of GT-18 Series Glasswashers ..............................................5
Wiring Diagrams .........................................................................................6-8
Useful Information About Water, Detergent and Sanitizer ............................9
Important Information about Chemicals ....................................................... 10
Tips for Trouble-Free Operation ................................................................... 11
Cleaning Instructions .................................................................................... 12
Trouble Shooting Guide ................................................................................ 13
Warranty ........................................................................................................ 14
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
index
1
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
This manual describes the operational features of the GT-18, GT-18+1, GT-18+1L, GT-18+1R, GT-18+2,
GT-18+2-IC and GT-18+3 model glasswashers. Please review this information before attempting instal-
lation and operation. Long term, trouble-free operation will follow if good housekeeping and maintenance
procedures are followed. Thank you for selecting Glastender, Inc. products.
inTroducTion
Glastender, Inc. has been manufacturing automatic glasswashers since 1969. Today, Glastender glasswashers
have been installed around the world. But what is a glasswasher? It is simply a piece of machinery that washes
glassware, which eliminates the need for human labor and the conventional three-compartment sink. The glass-
washer is, in effect, a mechanized three-compartment sink. It “washes”, “rinses”, and “sanitizes” glassware.
waSh 120ºF (48.9ºC) water and a preset portion of detergent join in the tank. During operation, 5 gal-
lons per minute of hot soapy water are pumped in a forceful, but gentle, spray pattern across the
moving glassware. When the wash cycle is complete, all water is drained. While the drain is still
open, clean water pre-rinses the holding tank to prepare for the rinse and sanitize cycle.
rinSe and
S
aniTize
120ºF (48.9ºC) water and a preset portion of sanitizer and rinse aid join in the tank. During
operation, 5 gallons per minute of rinse water are pumped in a forceful, but gentle, spray pattern
across the moving glassware. At the end of the cycle, all water is drained so the next load can
begin with fresh, clean water.
Please read on to learn more about this simple machine.
noTe The SimpliciTy:
FuncTion deSiGn
whaT iS a GlaSSwaSher?
2
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
uTiliTy requiremenTS and connecTionS
Digital
Temperature
Gauge
Start Switch
Chemical Pump
Prime Switch
Electronic
Control Timer
main SecTion FronT View
GT-18 Glasswasher with front panel removed
1. General
Plumbing
a. 1/2” OD (or larger) copper to 3/8” FMPT adapter provided
b. Minimum water pressure is 25 PSI
c. Maximum water pressure is 100 PSI. Install water pressure regulator if line pressure is
over 100 PSI. Water valve on unit has built-in strainer and flow control to provide consis-
tent volume between 25 and 100 PSI
d. Install separate water shut-off valve
e. Unit has built-in air gap - vacuum breaker is not required
f. Maximum temperature is 150ºF (66ºC)
g. Minimum temperature is 120ºF (49ºC)
h. Consumption is 2-1/2 gallons per cycle
2. Drain
a. 1-1/2” tailpiece
b. Use open type floor drain for maximum drainage
3. Electrical
a. 120V, single phase, 60Hz, 6-foot grounded cord included
b. Dedicated 15 amp circuit recommended
c. Power requirements - 3.5 amps
4. Detergent
a. Extra heavy duty, non-foaming, commercial liquid dishwashing detergent is required - .30%
concentration
b. Consult local chemical supplier to match detergent with local water conditions
5. Sanitizer
a. Liquid chlorine bleach (sodium hypochlorite - 5.25% solution) adjusted to 50 ppm
6. RinseAid
a. Liquid Rinse Aid adjusted for proper sheeting
7. Installation
Considerations
a. 1” clearance required to remove top
b. Front side service is essential
c. Detergent, Sanitizer, and Rinse Aid containers are stored externally - six-foot lengths of
tubing are provided. Storage for three one-gallon containers is required within ve feet
3
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
uncraTinG and STarT-up inSTrucTionS
The glasswasher is shipped in two cartons. After uncrating, follow this procedure:
1. Set in place and install top.
2. Place chemical Feed Lines into the proper chemical containers.
a. Red is detergent.
b. Blue is rinse aid.
c. Clear is sanitizer.
WARNING: The chemicals used in commercial glasswashing are very harsh. Exposure to human skin can
cause severe burns. Chemical containers should be stored in a manner and/or location that pre-
vents them from spilling or splashing. Chemical containers must be secured. Please consult
your chemical vendor to ensure proper storage or call the Glastender factory to purchase a clip-
on chemical rail, part number 01000710.
3. After utility connections described above are completed, plug in glasswasher.
4. Depress Prime switches to fill Feed Lines. NOTE: Always cycle the machine after using the prime switch-
es. Undiluted chemicals will damage stainless steel.
5. Cycle the glasswasher and check chemical settings.
6. If chemical adjustment is required, unplug glasswasher, remove front panel, and adjust chemicals as required
using the Electronic Control Timer. See chemical adjustment procedure below.
7. Replace panel and plug in glasswasher. Cycle the glasswasher and check chemical settings. Repeat step 6
if necessary.
chemical adjuSTmenT procedure
The chemical strengths should be tested with a professional test kit by
the chemical supplier. Water samples should be taken during the wash
cycle and the rinse cycle.
Detergent - .30% concentration
Sanitizer - 50 PPM (sodium hypochlorite [bleach])
Rinse Aid - until proper sheeting is achieved
Detergent: If the factory setting does not render the proper concentration,
turn the detergent adjustment knob clockwise to increase or
counterclockwise to decrease the dispense time. Repeat chemi-
cal testing procedure and adjust again if necessary.
Sanitizer: If the factory setting does not render the proper concentration,
turn the sanitizer adjustment knob clockwise to increase or
counterclockwise to decrease the dispense time. Repeat chemi-
cal testing procedure and adjust again if necessary.
Rinse Aid: If the factory setting does not render the proper level of sheet-
ing, turn the rinse aid adjustment knob clockwise to increase
or counterclockwise to decrease the dispense time. Run a test
cycle to check wash results and adjust again if necessary.
Electronic Control Timer
Sanitizer
Detergent
Rinse Aid
4
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
operaTion
Installations that have abnormally low water pressure
may have trouble getting enough water into the glass-
washer. Disconnect from the power source. Remove
the red wire with white tracer at Terminal #14 on the
master circuit board. Reconnect to the power source,
resetting the circuit board. The overall cycle time will
increase from 2 minutes to 2 minutes and 20 seconds.
The additional 20 seconds will provide extra time to fill
the tank during each of the wash and rinse cycles.
Thermostat
Knob
The Thermostat Control is pre-set by the factory to start the wash cycle when the water temperature reaches
130ºF. When the Start Switch is actuated the Thermostat Control will flush water through the glasswasher for
two minutes or until 130ºF is reached. If 130ºF temperature is not reached within two minutes, the machine will
automatically begin the cycle. If the glasswasher starts at the factory setting, no further adjustment is required.
If the machine is regularly experiencing a delay in the cycle start due to low incoming water temperature, the
thermostat control can be adjusted down to as low as 120°F to help decrease the delay. Please note the factory
recommends a minimum incoming water temperature of 130°F for best wash results.
*NOTES:
1. A minimum incoming water temperature of 120ºF is
required to achieve proper wash results.
2. The Digital Temperature Gauge reads approximately
ten degrees below actual incoming water tempera-
ture. (The temperature gauge will be accurate when
the water tank is full.)
3. Place a thermometer in the water stream at the water
inlet to determine the incoming water temperature.
ThermoSTaT conTrol
do you haVe low waTer preSSure?
The GT-18 glasswasher has a two-minute cycle which consists of the following steps:
1. The drain will close, hot water fills the tank, and detergent dispenses.
2. At 15 seconds, the water recirculating pump starts.
3. At 20 seconds, hot water and detergent stop. NOTE: The detergent is adjustable so this timing may vary.
4. At 72 seconds, the water recirculating pump stops and the drain opens.
5. At 80 seconds, hot water flushes the tank.
6. At 85 seconds, the drain closes, hot water fills the tank, and sanitizer and rinse aid dispense.
7. At 98 seconds, the water recirculating pump starts.
8. At 105 seconds, hot water stops and sanitizer and rinse aid stop depending on the adjustment.
NOTE: The sanitizer and rinse aid are adjustable so this timing may vary.
9. At 115 seconds the water recirculating pump stops and the drain opens. The cycle is complete.
Terminal
#14
5
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
exploded View oF GT-18 SerieS GlaSSwaSherS
GT-18+1 GLASSWASHER
SPLASH GUARD
PUMP INLET
SCREEN
TRAY
SCRAP
SPRAY BOX
DRIVE WHEEL
DRIVE WHEEL
SPRAY BOX
TRAY
SCRAP
SPLASH GUARD
SCREEN
PUMP INLET
GT-18 GLASSWASHER
CURTAIN
GT-18+1 TOP
(2 SUPPLIED)
GLASS RACK
GT-18 TOP
(2 SUPPLIED)
GLASS RACK
GT-18 SERIES GLASSWASHER
GLASS RACKS
TABLE MODELS
NOTE: EXTENDED DRAIN
78"
120"
108"
90"
SIZE
3
6
5
4
SCRAP
TRAY
SPRAY BOX
DRIVE WHEEL
PUMP INLET
SCREEN
(2 SUPPLIED)
GLASS RACK
SPLASH GUARD
EXPLODED VIEW
SCRAP TRAY
GT-18+3 GLASSWASHER
SCREEN
DRIVE WHEEL
PUMP INLET
GT-18+3 TOP
SECTION
SECTION
OR CORNER MODEL
DRAIN TABLE
DRAIN TABLE
UPPER SECTION
CURTAINS
GT-18+2 GLASSWASHER
GT-18+2 TOP
GLASS RACK
(3 SUPPLIED)
SPRAY BOX
CURTAINS
6
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
GT-18 wirinG diaGram
Green
GT-18 Wiring Diagram
Bl/W = Blue W/White
R/W = Red W/White
O/W = Orange W/White
B = Black
Y = Yellow
W = White
R = Red
P = Purple
O = Orange
G = Green
Br = Brown
Bl = Blue
LEGEND
C
NC
NO
C
NC
NO
Pump
Drain
Water
Valve
Conveyor
Light
Run
Pump
Detergent
Rinse
Aid
Sanitizer
Pump
Prime
Switch
Probe
Temperature
Transformer
Temperature
Indicator
Switch
Start
Cycle
MICRO-CONTROLLER
O/W
Black
J
Br
Bl/W
R/W
Y
White
P
O
Bl
R
B
B
B +
B
W
W
W
W
W -
P
P
P
P
Y +
Y -
24
VAC
24 VAC
O
O
O
O
R
W/R
Br
Br
O/W
Bare
8
9
7
10
21
11
6
2
3
19
20
17
14
15
5
4
1
12
13
18
120 VAC
Sanitizer Motor
Rinse Aid Pump
Rinse Aid Motor
Prime Switch
Detergent Pump
Detergent Motor
Sanitizer Pump
Cycle Start Switch
Transformer
Micro-Controller
Temperature Indicator
01000596
01000571
07000257
01000552
ITEM:
01001231
01000555
01000606
PART #
01000595
01000415
01000595
01000561
01000592
Conveyor Motor
Drain Motor
Recirculating Pump
Water Valve
Run Light
J = Jumper
ELECTRICAL RATINGS
Water Inlet Valve 85mA
Detergent Pump Drive Motor .2A
Recirculating Pump Motor 1/12 HP, 2.2A
Drive Motor 1/140 HP, 0.49A
Drain Motor 1/140 HP, 0.49A
Sanitizer Pump Drive Motor .2A
Rinse Aid Pump Drive Motor .2A
Total Amps 4.4
RECOMMENDED SERVICE
120V, Single Phase, 60Hz, 15 Amp
01000596
01000571
01000596
01000571
W
22
7
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
GT-18+3 wirinG diaGram
Green
GT-18+3 Wiring Diagram
Bl/W = Blue W/White
R/W = Red W/White
O/W = Orange W/White
B = Black
Y = Yellow
W = White
R = Red
P = Purple
O = Orange
G = Green
Br = Brown
Bl = Blue
LEGEND
C
NC
NO
C
NC
NO
Pump
Drain
Water
Valve
Conveyor
Light
Run
Pump
Detergent
Rinse
Aid
Sanitizer
Pump
Prime
Switch
Probe
Temperature
Transformer
Temperature
Indicator
Switch
Start
Cycle
MICRO-CONTROLLER
O/W
Black
J
Br
Bl/W
R/W
Y
White
P
O
Bl
R
B
B
B +
B
W
W
W
W
W -
P
P
P
P
Y +
Y -
24
VAC
24 VAC
O
O
O
O
R
W/R
Br
Br
O/W
Bare
8
9
7
10
21
11
6
2
3
19
20
17
14
15
5
4
1
12
13
18
120 VAC
Sanitizer Motor
Rinse Aid Pump
Rinse Aid Motor
Prime Switch
Detergent Pump
Detergent Motor
Sanitizer Pump
Cycle Start Switch
Transformer
Micro-Controller
Temperature Indicator
01000596
01000571
07000257
01000552
ITEM:
01001231
01000555
01000606
PART #
01000595
01000495
01000595
01000561
01000592
Conveyor Motor
Drain Motor
Recirculating Pump
Water Valve
Run Light
J = Jumper
ELECTRICAL RATINGS
Water Inlet Valve 85mA
Detergent Pump Drive Motor .2A
Recirculating Pump Motor 1/12 HP, 2.7A
Drive Motor 1/140 HP, 0.49A
Drain Motor 1/140 HP, 0.49A
Sanitizer Pump Drive Motor .2A
Rinse Aid Pump Drive Motor .2A
Total Amps 4.4
RECOMMENDED SERVICE
120V, Single Phase, 60Hz, 15 Amp
01000596
01000571
01000596
01000571
Cycle
Start
Switch
NO
NC
C
Rinse Aid
Low Level
Sensor
Switch
Sensor
Switch
Sensor
Switch
Sanitizer
Low Level
Detergent
Low Level
C
NO
NC
C
NC
NO
L
Low Level
Light
L
Run
W
22
8
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
GT-18 wiTh exporT TranSFormer wirinG diaGram
3
MICRO-CONTROLLER
Bl = Blue
Br = Brown
W = White
O/W = Orange W/White
R/W = Red W/White
Bl/W = Blue W/White
J = Jumper
LEGEND
G = Green
O = Orange
P = Purple
R = Red
Y = Yellow
B = Black
Cycle
Start
Switch
Bl
R/W
J
2
Y +
Temperature
Indicator
20
19
24 VAC
VAC
24
Y -
W -
B +
Transformer
6
W
B
Green
B
Black
1
4
5
15
14
17
Bare
R
B
Temperature
Probe
Rinse Aid Pump Drive Motor .2A
Sanitizer Pump Drive Motor .2A
Cycle Timer Motor .02A
Drain Motor 1/140 HP, 0.48A
Drive Motor 1/140 HP, 0.48A
Recirculating Pump Motor 1/12 HP, 2.7A
Detergent Pump Drive Motor .2A
Water Inlet Valve 85mA
NC
O/W
Rinse
Detergent
Pump
Valve
Water
Br
18
13
12
O
P
Br
O/W
Br
O
O
P
Aid
11
21
10
7
9
P
R
Bl
Bl/W
O
Switch
Prime
Pump
Sanitizer
P
Run
Light
Conveyor
Drain
W
8
Y
NO
C
NO
NC
C
White
W
O
P
Pump
W
120V, Single Phase, 60Hz, 15 Amp
RECOMMENDED SERVICE
Total Amps 4.4
ELECTRICAL RATINGS
120 VAC
X3
X4
X1 H3 H1
H2
H4X2
R
B
240 VAC
Transformer
W
22
9
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
waTer condiTionS
uSeFul inFormaTion abouT waTer, deTerGenT, and SaniTizer
Your water supply fits one of the following descriptions.
Greater detergent consumption is required with “hard” water.
GrainS parTS
deScripTion per Gallon per million
Soft Less than 1.0 Less than 17.1
Slightly Hard 1.0 to 3.5 17.1 to 60
Moderately Hard 3.5 to 7.0 60 to 120
Hard 7.0 to 10.5 120 to 180
Very Hard 10.5 and over 180 and over
deTerGenT TiTraTinG inSTrucTionS
A Titrating Kit is required for proper chemical adjustment. If a kit is not available from your chemical supplier,
one can be purchased from Glastender, Inc. When using the kit supplied by Glastender, Inc, follow the
instructions below (instructions are also included in kit):
1. Fill test tube with five (5) ml of detergent solution from the Wash Tank.
2. Add five (5) drops of “Indicator” to solution. The solution will turn a pink (magenta) color.
3. Detergent concentration is determined by amount of “Titrate” required to make the solution turn clear.
• Add one (1) drop of “Titrate” at a time.
• After each drop is added, close the test tube top with finger and rock test tube back and forth three (3)
times to mix solution.
• The solution should turn clear between ten (10) and twelve (12) drops of “Titrate”. Less than ten
(10) drops indicates the detergent concentration is too low, more than twelve (12) drops indicates the
detergent concentration is too high. Proper detergent concentration is .30% by volume.
SaniTizer TiTraTinG inSTrucTionS
Operate glasswasher to allow sanitizer levels to stabilize. With Conveyor removed and Conveyor Switch “On”,
dip Chlorine or Iodine test strip into Rinse Tank near Rinse Spray Box for one (1) second. Then immediately
compare the strip to the scale on the side of the test strip container tube. Adjust sanitizer (bleach) to 50 PPM,
and iodine type sanitizer to 12.5 PPM.
imporTanT noTe: Glasswashers are NOT water conditioners. Consult local water conditioning experts to
determine your specific water condition.
10
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
The GT-18 glasswasher has chemical pumps that automatically dispense chemicals into the machine. The deter-
gent and sanitizer chemicals are supplied by a chemical vendor. Since the type of chemicals and the condition of
water varies by region, the chemical pumps are not pre-set at the factory. Thechemicalpumpsmustbeadjusted
atstart-uptoachievethepropertitrationlevelsorthemachinemaynotproducegoodwashresults. Typically,
the chemical vendor is responsible for adjusting the chemical pumps.
Since detergent and sanitizer chemicals play an important role in the performance of a glasswasher, understand-
ing how the chemical pumps work and how to maintain them is very important. Reviewing the following infor-
mation will help ensure the proper operation of your glasswasher and its chemical pumps:
1. CAUTION: Always cycle the machine after using the prime switches to rinse out the wash/rinse tank.
Undiluted chemicals will damage stainless steel.
2. The chemical feed lines must be properly placed inside the appropriate chemical container. Damaged chemi-
cal lines will spill chemicals on the machine and floor and create poor wash results.
3. Every glasswasher requires chemical pump adjustment and titrating by a chemical vendor. Poor wash results
will occur if the chemicals are not in proper concentration (see the operation manual for proper concentration
levels).
4. Glasswasher chemicals are highly caustic and will cause severe burns when they contact human skin. These
same caustic chemicals will also corrode stainless steel and destroy machine components. A glasswasher
should be checked regularly for chemical leaks and any leaks should be corrected immediately.
5. All of the chemical tubing on a glasswasher should be inspected regularly and replaced at least once per year.
The highly caustic chemicals cause the chemical tubing to get brittle, and since leaking chemicals destroy
glasswasher components, it is good preventative maintenance to replace chemical tubing often. The various
tubing includes the lower tubing assembly or main chemical feed line, the pump squeeze tube (especially
susceptible to damage), and the upper tubing assembly from the pump to the glasswasher tank.
6. Chemical vendors that deliver chemicals to your establishment are typically responsible for adjusting the
chemical levels in your glasswasher. They are also helpful for assisting you with chemical tubing inspection
and replacement. Nothing removes your responsibility for proper maintenance, but the chemical vendor will
help.
imporTanT inFormaTion abouT chemicalS
11
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
1. NEVER, NEVER wash ash trays in the glasswasher. Since ashes are smaller than the opening in the Pump
Inlet Screens, ashes, could adhere to glasses. Also, with ashes recirculating in the wash water, the cleaning
effectiveness of the detergent is greatly reduced. The final result of washing ash trays is dirty glasses.
2. For best results, run glasswasher full of glassware. This keeps the water and detergent consumption to a mini-
mum.
3. Water spotting can occur when glassware is placed on flat surfaces after washing thus preventing air to assist
the drying process. Make sure the proper shelf liner or drying surface is used.
4. The maximum glass height is ten (10) inches to fit through the Top Section of the glasswasher. Keep this in
mind when ordering beer pitchers and wine carafes.
5. Glasses which have been frequently washed by hand may have deposits of invisible “film.” Although initially
appearing clean, these glasses may show unsightly signs of “dirt” after passing through the glasswasher. This
unsightly condition will exist until the film is removed with frequent passes through the glasswasher, or it may
be necessary to use a de-liming agent to clean glassware.
6. Do not place wet glasses into glass chillers or frosters. Allow glasses to dry and sanitizer odors to dissipate
first.
7. Changing detergents may require readjustment of the Detergent Pump to maintain .30% detergent concentration.
A greater volume of low strength detergent is required to maintain the proper level.
8. Only Glastender, Inc. replacement parts should be used. Components from other suppliers may result in
machine malfunctions.
Please consult your Glastender, Inc. service agent if service or technical assistance is required. The factory
is also available to answer any operational questions.
TipS For Trouble-Free operaTion
12
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
cleaninG inSTrucTionS
Regular maintenance of your Glastender glasswasher will extend its useful life and lower the service costs. The
top section of a GT-18 glasswasher is removable to ease regular maintenance. Also, the following parts are
removable for daily cleaning:
1. Spray Box
2. Splash Guard
3. Pump Inlet Screen
4. Drain Stopper (Overflow hole to rear)
5. Scrap Tray
The daily cleaning procedure consists of the following steps:
1. With machine not operating, remove Spray Box, Spray Box Gasket and Pump Inlet Screen.
2. Remove all debris.
3. Wipe the interior of tank with a damp cloth. For more stubborn soil or stains, you may scrub the interior of
the tank with a Scotch-Brite
®
pad. Do NOT use steel wool.
4. Rinse the interior with clean water.
5. Rinse and scrub clean the Spray Box, Spray Box Gasket, and Pump Inlet Screen as necessary and reinstall
into machine.
6. Check Detergent, Sanitizer, and Rinse Aid Containers. Refill or replace if empty.
7. Visually inspect the Detergent Inlet after the drain has closed and water begins to fill the tank. You should
notice detergent intermittently dripping. Approximately 85 seconds later, visually inspect the Sanitizer and
Rinse Aid Inlets after the drain has closed and water begins to fill the tank. You should notice sanitizer and
rinse aid intermittently dripping.
8. Your glasswasher is now ready for operation.
When the interior is coated with a white chalky substance, perform the following Deliming Procedure (after daily
cleaning has been completed):
1. Place empty Glass Rack on drive wheel.
2. Push Start Switch.
3. Catch the detergent in a cup and dispose.
4. Pour one cup of deliming agent in the glasswasher. WARNING! Most deliming agents are hazard-
ous. Follow all instructions very carefully!
5. Do not open the door until the cycle is complete.
6. Repeat steps 1 thru 5 if further deliming is necessary.
7. Cycle the glasswasher two or three times.
deliminG procedure
13
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
Trouble ShooTinG Guide
Trouble or SiTuaTion cauSe remedy
A. Unit does not run
1. No power (Power light “off.”) 1. Check power source.
2. Defective start switch 2. Replace start switch.
3. Wire connections poor, loose, or broken. 3. Re-crimp and/or replace wire connection.
B. Unit experiences a long delay (up to
two minutes) before beginning a cycle.
1. Incoming water does not reach minimum
operating temperature.
1. See Thermostat Control information on
page 4 and check temperature of water
source.
C. Conveyor runs but holding tank not
filling
1. Water “off.” 1. Turn water “on.”
2. Bad water valve. 2. Test valve, replace if necessary.
D. Conveyor moves intermittently
1. Loose belt. 1. Tighten belt by first loosening the four
motor mount towards front and retighten
bolts. Caution: Excessive belt tension could
cause drive motor failure.
E. Water recirculating, conveyor not mov-
ing
1. Obstruction in tank area 1. Remove obstruction.
2. Conveyor not engaged with conveyor
drive shaft.
2. Rotate conveyor until it engages.
3. Defective drive motor. 3. Replace drive motor.
4. Defective or loose belt. 4. Replace or tighten belt.
F. Water not recirculating
1. Completely plugged pump inlet screen. 1. Clean pump inlet screen.
2. Defective recirculating pump. 2. Replace recirculating pump.
G. Water leaking from recirculating pump
housing - water on floor
1. Defective pump seal. 1. Replace pump seal.
2. Pump housing cracked. 2. Replace housing.
H. Glasses slimy or soapy at end of cycle
1. Sanitizer feed line in detergent container. 1. Clean line and place in proper container.
2. Improper Rinse Aid setting. 2. Adjust chemical setting (see page 3).
I. Recirculating water pressure low
1. Spray box not latched properly. 1. Latch spray box properly.
2. Partially plugged pump inlet screen. 2. Clean pump inlet screen.
Refer to cleaning instructions.
3. Missing or worn spray box gasket. 3. Replace gasket.
J. Detergent, sanitizer, and/or rinse aid
not feeding properly
1. Chemical container is empty. 1. Refill or replace container(s).
2. Feed lines will not fill. 2. Replace defective parts. Notes: The
detergent, sanitizer, or rinse aid product
advances in the line on each stroke of the
pump. The product should hold position
between strokes. If the product falls back
toward the supply container, one or more
of the following conditions may exist:
a. Debris in pump,
b. Split feed line, or
c. Bad pump tube.
Replace parts as necessary.
K. Poor washing results
1. Clogged spray nozzles and dirty holding
tank.
1. Clean unit. See cleaning instructions.
2. Detergent container empty. 2. Fill container.
3. Poor water conditions. 3. Have filter or softener installed.
4. Chemicals not adjusted properly.
5. No hot water.
4. Call chemical technician.
5. Check temperature of water source.
14
Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
warranTy STaTemenT
LABOR: Glastender, Inc. warrants all products to be free of defects
in material and workmanship. In established areas, a start-up and a
90-day labor warranty are included with glasswasher models GT-24
and GT-30. The GT-18 series glasswashers include a 90-day labor
warranty. Self-contained refrigeration models, except beer line chill-
ers, include a 1-year labor warranty, for the duration of one year from
date of installation or up to 18 months from date of factory shipment,
whichever occurs sooner. For warranty labor claims beyond 15 months
from the date of factory shipment, proof of date of installation or occu-
pancy must be provided. Authorization for labor must be obtained from
Glastender within the warranty period and prior to the service being per-
formed. Labor warranty applies to the United States and Canada only.
PARTS: Within one year from date of installation or 18 months from
date of factory shipment, whichever occurs sooner, Glastender, Inc.
will replace any part or assembly found defective under normal use and
service. Field replacement parts include a warranty of 90 days from date
of installation.
FOUR YEAR ADDITIONAL COMPRESSOR WARRANTY: Glastender
will warrant to the original user the compressor for all self-contained
refrigeration models for an additional four years following the regular
one-year warranty period. This plan applies to the compressor only.
A warranty claim form MUST accompany all returned defective
parts or assemblies. This form MUST be completed in full. Failure
to do so may result in delay or denial of credit. Any defective part or
assembly must be returned to Glastender, Inc., Saginaw, Michigan,
with all transportation and delivery charges prepaid. Warranty repairs
or replacements will be shipped FOB factory in Saginaw, Michigan.
Reimbursement for applicable freight charges covers ground service only.
Glastender provides in-warranty repairs during a service company’s
regular working days and hours. There is no provision for payment
of a premium rate during “overtime” hours. When warranty service is
requested during other than normal working hours, the end user will be
charged the premium portion of the overtime rate.
The warranty does not cover equipment subjected to accidents, freight
damage, alterations from the original design, improper power and/or
plumbing hookups, improper chemical use, general misuse, or lack
of routine required maintenance as determined by Glastender, Inc.
Installation, normal control adjustments, general maintenance, correct-
ing an installation error, or service calls that reveal the unit is function-
ing normally will not be reimbursed under warranty.
Condenser coils on self-contained refrigeration products must be
cleaned regularly. Failure to provide adequate air flow to a refrigeration
unit will void the warranty.
Glastender shall not be liable for loss of use, revenue, or prof-
it, or for any other indirect, incidental, special, or consequential
damage including, but not limited to, product spoilage or loss.
This warranty is conditioned upon Glastender receiving notice of any
defect subject to this warranty within sixty (60) days of its discovery
by the end user or dealer. All products are warranted only for the initial
place of installation. Removal of a product automatically terminates this
warranty.
SECOND YEAR EXTENDED PARTS & LABOR WARRANTY:
Glastender’s one-year parts and labor warranty on self-contained refrig-
eration units, excluding beer line chillers, can be extended to two years
with the purchase of a two year parts and labor warranty. Specify part
number EWR2 ($150 net price) when ordering.
EXPORT WARRANTY - One year parts only.
EXCLUSION OF WARRANTIES
EXCEPT AS PROVIDED ABOVE, GLASTENDER MAKES
NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING,
BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
OR NON-INFRINGEMENT.
LIMITATION OF REMEDIES AND DAMAGES
If Buyer makes a valid and timely claim as outlined above, Glastender’s
liability and Buyer’s remedies under this agreement will be limited solely
to labor charges authorized and/or replacement or credit, at Glastender’s
option, with respect to Products returned at Buyer’s expense within thir-
ty (30) days after warranty repair. GLASTENDER’S LIABILITY WILL
IN NO EVENT BE GREATER IN AMOUNT THAN THE PURCHASE
PRICE OF THE RETURNED PRODUCTS. GLASTENDER
WILL NOT BE LIABLE UNDER ANY CIRCUMSTANCE FOR
CONSEQUENTIAL OR INCIDENTAL DAMAGES, INCLUDING,
BUT NOT LIMITED TO, LABOR COSTS EXCEPT AS COVERED
UNDER OUR WARRANTY, LOST PROFITS OR THE LOSS OF
PERISHABLE PRODUCTS RESULTING FROM THE USE OF OR
INABILITY TO USE OUR PRODUCTS OR FROM OUR PRODUCTS’
INCORPORATION INTO OR BECOMING A COMPONENT OF
ANY OTHER PRODUCT. NEITHER PARTY WILL HAVE ANY
NEGLIGENCE OR OTHER TORT LIABILITY TO THE OTHER, OR
TO ANY THIRD PARTY, ARISING FROM ANY BREACH OF THIS
AGREEMENT.
GOVERNING LAW - JURISDICTION
The terms and conditions of an order are to be governed and construed
according to the laws of the State of Michigan, without regard to conflict
of laws principles. Buyer hereby consents to the jurisdiction and venue
of the courts located in Saginaw County, Michigan.
No representative, distributor, dealer, or any other person is authorized
to modify this warranty. This warranty replaces all other written or
verbal warranties.
NOTE: Glastender, Inc.’s policy of constant quality improvement
means that prices, specifications, and policies are subject to change
without notice. Questions regarding this warranty should be directed to
Glastender’s Customer Service Representative.
03/03/10
APPLICABLE TO ALL PRODUCTS SOLD WITHIN THE UNITED STATES AND CANADA
IMPORTANT!!
Attention Refrigeration Service Companies
Please review the important warranty information on this page. If you
believe a service call should be covered by the factory, please call
the factory for authorization between 8AM and 5PM EST, Monday
through Friday.
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