American Metal Ware 7443 Manual

[ SGML Version See Change Record ]
TECHNICAL MANUAL
INSTALLATION, OPERATION &
SERVICE MANUAL
SINGLE OR TWIN
AUTOMATIC
COUNTER MOUNTED
MID LINE COFFEE URNS
DISTRIBUTION STATEMENT E: DISTRIBUTION AUTHORIZED TO DOD COMPONENTS
ONLY; CRITICAL TECHNOLOGY; DATE OF PUBLICATION. OTHER REQUESTS SHALL
BE REFERRED TO THE NAVAL SEA SYSTEMS COMMAND (SEA-09B2).
WARNING: THIS DOCUMENT CONTAINS TECHNICAL DATA WHOSE EXPORT IS
RESTRICTED BY THE ARMS EXPORT CONTROL ACT (TITLE 22. U.S.C. SEC. 2751 ET.
SEQ.) OR EXECUTIVE ORDER 12470. VIOLATIONS OF THESE EXPORT LAWS ARE
SUBJECT TO SEVERE CRIMINAL PENALTIES.
DESTRUCTION NOTICE: DESTROY BY ANY METHOD THAT WILL PREVENT DISCLO-
SURE OF CONTENTS OR RECONSTRUCTION OF THE DOCUMENT.
S6161-JB-FSE-010
0910-LP-641-2046
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PUBLISHED BY DIRECTION OF COMMANDER, NAVAL SEA SYSTEMS COMMAND
JUN 30, 1990

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RECORD OF CHANGES
CHANGE NO. DATE TITLE OR BRIEF DESCRIPTION ENTERED BY
NOTE
THIS TECHNICAL MANUAL (TM) HAS BEEN DEVELOPED FROM AN INTELLIGENT ELECTRONIC
SOURCE KNOWN AS STANDARD GENERALIZED MARKUP LANGUAGE (SGML). THERE IS NO
LOEP. ALL CHANGES, IF APPLICABLE, ARE INCLUDED. THE PAGINATION IN THIS TM WILL NOT
MATCH THE PAGINATION OF THE ORIGINAL PAPER TM; HOWEVER, THE CONTENT IS
EXACTLY THE SAME. ANY CHANGES RECEIVED AFTER RECEIPT OF THIS TM WILL ONLY FIT
IN THIS PAGINATED VERSION.
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TABLE OF CONTENTS
Chapter/Paragraph Page
GENERAL DESCRIPTION ................................ 1-5
INSTALLATION ...................................... 1-5
OPERATION START-UP ................................. 1-6
HOW TO BREW IN AN AUTOMATIC URN ..................... 1-8
CARE AND CLEANING OF COFFEE URNS ..................... 1-9
QUICK SERVICE CHECK OF LIQUID LEVEL CONTROL SYSTEM ....... 1-22
REPAIR/REPLACEMENT INSTRUCTIONS FOR ELECTRICAL AND
MECHANICAL COMPONENTS ........................... 1-23
PART NUMBERS & QUANTITY REQUIRED FOR 1 YEAR ............ 1-29
VALVE DISASSEMBLY ................................. 1-39
DIRECTORY ........................................ 1-39
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LIST OF TABLES
Table Title Page
Roughing-In Data Parts List ................................ 1-2
Brew Baslet Selection Chart ................................ 1-3
PRODUCTION-ENGINEERING DATA ......................... 1-3
Standard Voltage ...................................... 1-4
Standard Voltage (cont’d) ................................. 1-4
IV. Trouble Shooting Auto Refill, Low Water Cutoff, and Liquid Level Control
System. .......................................... 1-17
Part Numbers and Quantities ............................... 1-30
Manufacturers/Suppliers for Component Parts ...................... 1-39
Recommended Coffee Urn Cleaners ........................... 1-40
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LIST OF ILLUSTRATIONS
Figure Title Page
Roughing-In Data ..................................... 1-2
(3) ROUGH-IN SPECS. FOR AUTO URNS ........................ 1-11
(4) 7400E URN CONTROL CIRCUIT WIRING HARNESS DIAGRAM: NCC TIMER,
AUTO REFILL, LOW WATER CUTOFF, OPT. 43 (AIR AGITATION) ...... 1-13
(5) TAB TERMINAL HEATER WIRING - URNS WITHOUT PUMP .......... 1-15
(6) ILLUSTRATED PARTS BREAKDOWN 7400 SERIES ................ 1-28
(11) 507028 NCC Timer .................................... 1-33
(12) 505002 Liquid Level Control ............................... 1-33
(13) 521021- Urn Elastomer Kit ................................ 1-34
(14) Seal Kit P/N 521028 .................................... 1-34
(15) Option 43 Outside Tube Kit P/N 512015 When Supplied. ............... 1-35
(19) .5CC Disposable Tube of Loctite 271 Cover Handle Kit for Automatic Urns P/N
513001 .......................................... 1-36
S301 Standard Open Frame Solenoid Valve ....................... 1-38
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CHAPTER 1
SECTION
ELECTRIC, STEAM, GAS
TWIN MODELS:
7443
7446
74410
SINGLE MODELS:
7413
7416
74110
MID LINE AUTOMATIC COFFEE URNS FRESH WATER BREWING SYSTEM THE MID LINE
URN...American’s Budget Cutter, completely automatic coffee urn. When a basic, no trills, nothing added urn is
needed, this is it! Then build by adding what you want - such as air agitation for mixing of coffee, or any other
of the many extras found in the OPTIONS SECTION of this catalog.
AMERICAN STANDARD FEATURES
•FRESH WATER BREWING Special large area heat exchange coil resists scale problems. Heats water for
brewing/sprayover as it travels through coil, fresh for each batch brewed.
•FULLY AUTOMATIC ONE TOUCH BREWING TIMER Most foolproof for operator. No dial or knob to
turn. Concealed setting. Adjust with screwdriver through front panel. Stop sprayover with one touch. Use for
spray rinse of coffee liner.
•AUTOMATIC REFILL OF WATER COMPARTMENT Saves time and attention required to manually fill.
Unlimited supply of hot water for tea, etc. always available.
•ADJUSTABLE BYPASS ON SPRAY ARM Enables proper brew extraction even with variations caused by
soft or treated water.
•DIAL THERMOMETER WITH MARKED BREW ZONE
•ALL A.I.S.I. TYPE 304 18-8 stainless steel construction.
•ONE ALL STAINLESS STEEL BREW BASKET With 25 filter papers.
•CONTROL BOX ON RIGHT HAND END If requested, the control box can be located on left hand end
of urn at no additional cost.
•LOW WATER CUTOFF SYSTEM Solid state probe sensor system provides positive protection against
heater burnout, at start-up or in operation.
•GREATEST SAFETY FOR OPERATOR (OSHA) All controls operate on 120 Volt.
•SPECIAL PINPOINT CONTROL THERMOSTAT Super sensitive, highest accuracy and reliability, lowest
service cost. Includes marked ″Nite Standby″position for energy savings.
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•CLOSED CHAMBER BREWING Brews with NSF approved cover on brew basket. Prevents costly steam/
moisture loss to room. Saves energy with savings of air conditioning load.
•EASY ADJUSTMENT OF SPRAYOVER RATE Simple screwdriver adjustment. No awkward changing of
parts. Improved two stage flow regulator system gives same volume time after time.
•VELVET SMOOTH SPRAY ARM Special teflon coating on spray arm piston prevents liming and insures
smooth operation. Positive ″stops″on spray arm for operator safety.
•DRAIN IN BOTTOM
•OPTIONS AVAILABLE Select from Options Section of this catalog.
•DOUBLE SERVICE (SELF SERVICE) FAUCETS Available on both twin and single urns. Choose from
Options Section of this catalog.
•MILITARY SPECIFICATIONS-MARINE MODIFICATIONS Twin and single automatic urns MIL-U-
43263D or latest specification.
Available modified for marine (shipboard) use; no spillage of liquid with 15° list in any plane, and other
requirements. Contact factory for detailed quotation and data.
Roughing-In Data Parts List
Model No. A
*
BCD
+
Work Height
+
Overall Height
7443 30-1/2 15-1/4 7-5/8 7-3/4 21-5/8 27-1/8
7446 34 16-3/4 8-3/8 8-5/8 27-5/8 33-1/8
74410 34 16-3/4 8-3/8 8-5/8 27-5/8 34-5/8
7413 18 15-1/4 7-5/8 5-1/2 21-5/8 27-1/8
Roughing-In Data
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