American Dryer AD-78 Parts Diagram
AD-78 / ML-78
Parts Manual
Phase 7 / Dual Timer
With F.S.S. / S.A.F.E. Options
American Dryer Corporation
88 Currant Road
Fall River MA 02720-4781 USA
Telephone: +1 (508) 678-9000 / Fax: +1 (508) 678-9447
e-mail: techsupport@amdry.com
www.amdry.com
ADC Part No. 450567-7
Retain This Manual In A Safe Place For Future Reference
American Dryer Corporation products embody advanced concepts in engineering, design, and safety. If this product
is properly maintained, it will provide many years of safe, efficient, and trouble free operation.
ONLY qualified technicians should service this equipment.
OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the installation manual included
with the dryer.
The following “FOR YOUR SAFETY” caution must be posted near the dryer in a prominent location.
FOR YOUR SAFETY
Do not store or use gasoline or
other flammable vapors and
liquids in the vicinity of this or
any other appliance.
We have tried to make this manual as complete as possible and hope you will find it useful. ADC reserves the right
to make changes from time to time, without notice or obligation, in prices, specifications, colors, and material, and to
change or discontinue models.
Ne pas entreposer ni utiliser d’essence
ni d’autres vapeurs ou liquides
inflammables à proximité de cet appareil
ou de tout autre appareil.
POUR VOTRE SÉCURITÉ
Important
For your convenience, log the following information:
DATE OF PURCHASE ____________________________________________________ MODEL NO. ______________
RESELLER’S NAME _________________________________________________________________________________
Serial Number(s) _____________________________________________________________________________________
____________________________________________________________________________________________________
____________________________________________________________________________________________________
Replacement parts can be obtained from your reseller or the ADC factory. When ordering replacement parts from the
factory, you can FAX your order to ADC at (508) 678-9447 or telephone your order directly to the ADC Parts Department
at (508) 678-9000. Please specify the dryer model number and serial number in addition to the description and part
number, so that your order is processed accurately and promptly.
The illustrations on the following pages may not depict your particular dryer exactly. The illustrations are a composite
of the various dryer models. Be sure to check the descriptions of the parts thoroughly before ordering.
“IMPORTANT NOTE TO PURCHASER”
Information must be obtained from your local gas supplier on the
instructions to be followed if the user smells gas. These
instructions must be posted in a prominent location near the dryer.
2 American Dryer Corporation 450567- 7
Table of Contents
Phase 7 Non-Coin Microprocessor Control Door Assembly for Models Mfd. as of July 11, 2002.............................. 4
Control Door Assembly for Models Mfd. prior to July 11, 2002 .................................................................................. 5
Phase 7 Non-Coin Microprocessor Control Panel Assembly .....................................................................................6
Dual Timer “Tap Touch” Controls ............................................................................................................................... 7
Phase 7 Non-Coin Microprocessor Control Box Assembly ........................................................................................8
Dual Timer Control Box Assembly .............................................................................................................................9
37-1/4” Main Door Assembly....................................................................................................................................10
Front Panel Assembly for Models Mfd. as of January 1, 2002................................................................................. 11
Front Panel Assembly for Models Mfd. prior to January 1, 2002 .............................................................................12
Main Door Switch Assembly.....................................................................................................................................13
Sensor Bracket Assemblies .....................................................................................................................................14
Lint Trap Assembly for Models Mfd. as of January 1, 2002 .....................................................................................16
Drop Lint Door Assembly for Models Mfd. as of January 1, 2002 ............................................................................17
Drop Lint Door Assembly for Models Mfd. prior to January 1, 2002......................................................................... 18
Tumbler / Support Assembly ....................................................................................................................................19
Idler Bearing Assembly ............................................................................................................................................ 20
Tumbler Bearing Assembly ......................................................................................................................................21
Single-Phase (1ø) MP Rear Electric Relay Panel Assembly .................................................................................... 22
208-240V 3-Phase (3ø) MP Rear Electric Relay Panel Assembly ...........................................................................23
460-480V MP Rear Electric Relay Panel Assembly .................................................................................................24
208-240V MP Reversing Rear Electric Relay Panel Assembly ................................................................................ 25
460-480V MP Reversing Rear Electric Relay Panel Assembly ................................................................................ 26
Single-Phase (1ø) Dual Timer Rear Electric Relay Panel Assembly .......................................................................27
460-480V Dual Timer Rear Electric Relay Panel Assembly .....................................................................................28
208-240V Dual Timer Reversing Rear Electric Relay Panel Assembly ....................................................................29
Non-Reversing Totally Enclosed, Fan-Cooled Motor Mount Assembly ....................................................................30
Reversing Totally Enclosed, Fan-Cooled Motor Mount Assembly............................................................................ 32
Direct Spark Ignition Burner Assembly .....................................................................................................................34
Sail Switch Assembly ...............................................................................................................................................36
Fire Suppression System Assembly for Models Mfd. as of November 8, 2011 .......................................................37
Fire Suppression System Assemblies for Models Mfd. prior to November 8, 2011 .................................................38
Back Guard Assemblies........................................................................................................................................... 39
Additional Parts Available .........................................................................................................................................40
450567-7 www.amdry.com 3
Phase 7 Non-Coin Microprocessor Control Door Assembly
For Models Mfd. as of July 11, 2002
Illus. No. Part No. Qty. Description
1 883474 1 White Non-Coin Control Door
(includes illus. nos. 1 and 3)
2 150321 2 #10-32 x 1/2” Phillips Machine Screw
3 117604 4 Noise Suppression Tape (sold by the foot)
4 150317 2 #10-16 x 3/4” TORX
5 102503 1 Control Door Support Rod
6 154011 2 #10-32 Multi-Thread U-Nut
7 102602 1 Control Door Rod Support Latch
8 102601 1 Control Door Rod Retainer Clip
9 ––––––* 1 Logo Only
* Contact reseller for logo.
4 American Dryer Corporation 450567- 7
®
+ BTN, Type 1
Control Door Assembly
For Models Mfd. prior to July 11, 2002
Illus. No. Part No. Qty. Description
1 801823 1 Control Door Assembly
(includes illus. nos. 1 through 3)
2 117605 2 Neoprene Sponge Tape
3 117604 4 Noise Suppression Tape (sold by the foot)
4 ––––––* 1 Logo Only
5 150314 4 #10-32 x 1/2” TORX
6 154011 4 #10-32 Multi-Thread U-Nut
* Contact reseller for logo.
450567-7 www.amdry.com 5
®
Screw
Phase 7 Non-Coin Microprocessor Control Panel Assembly
Illus. No. Part No. Qty. Description
1 112577 1 Phase 7 Non-Coin Keypad
2 850984 1 Phase 7 Non-Coin Microprocessor Controller (computer) Panel Only
3 887003 1 Phase 7 Microprocessor Controller with F.S.S. and Pressure Switch
887000 1 Phase 7 Microprocessor Controller with F.S.S. and without Pressure Switch
887024 1 Phase 7 Microprocessor Controller (computer) without F.S.S.
4 150005 2 #6-32 x 3/4” Phillips Round Head Machine Screw
5 153010 2 #6 Star Washer
6 136016 1 5-Amp Fuse
7 136097 1 500 mA Fuse
6 American Dryer Corporation 450567- 7
Dual Timer “Tap Touch” Controls
Illus. No. Part No. Qty. Description
1 824298 1 15 Minute Timer – 24 VAC
2 824299 1 60 Minute Timer – 24 VAC
3 824175 1 Red Pilot Light – 24 VAC
4 122301 1 “Tap Touch” Switch
5 131932 3 Relay SPST 24v
6 120730 1 30-Position Terminal Block
7 151000 6 #6-32 Pal Nut
8 882903 1 Dual Timer Panel Complete
(includes illus. nos. 1 through 15)
850392 – Dual Timer Panel Only
9 153010 2 #6 Star Washer
10 152000 3 #6-32 Hex Nut
11 150207 2 #10-24 x 1/2” Phillips Pan Head Machine Screw
12 150110 4 #8-32 x 1/4” Phillips Round Head Machine Screw
13 112563 1 Dual Timer Panel Overlay
14 124104 1 Pure Touch Knob with Red Pointer
15 124105 1 Pure Touch Knob with Blue Pointer
450567-7 www.amdry.com 7
Phase 7 Non-Coin Microprocessor Control Box Assembly
Illus. No. Part No. Qty. Description
1 122681 1 10-Pin Connector
2 122676 1 8-Pin Connector
3 122646 1 2-Pin Connector
4 122683 1 6-Pin Connector
5 122640 1 9-Pin Connector
6 122706 * #20-16 U.M.N.L. Socket
7 122669 * Female Crimp Terminal
* As needed.
8 American Dryer Corporation 450567- 7
Dual Timer Control Box Assembly
Illus. No. Part No. Qty. Description
1 122641 1 15-Pin Connector
2 122706 15 Socket Terminal
122801 1 Pin / Socket Terminal Extraction Tool … Not Illustrated
3 150301 2 #8-18 x 7/16” Phillips Pan Head TEK Screw
4 132198 1 Reversing Timer 24 Volt (for reversing dual timer models Only)
450567-7 www.amdry.com 9
37-1/4” Main Door Assembly
Illus. No. Part No. Qty. Description
1 835128 1 Main Door Hinge
(for models mfd. as of February 18, 2005)
881685 1 Main Door Hinge
(for models mfd. prior to February 18, 2005)
2 314729* 1 Main Door Handle
3 102357 1 Door Gasket
170731 1 Black Adhesive (10.3 oz. cartridge)
170730 1 White Adhesive (10.3 oz. cartridge)
4 102221 1 Door Glass
170731 1 Black Adhesive (10.3 oz. cartridge)
170730 1 White Adhesive (10.3 oz. cartridge)
5 152014 6 1/4-20 Free Spin Wash Nut
6 150683 6 1/4-20 x 5/8” Carriage Bolt
7 801600 1 Main Door Assembly Complete
(for models mfd. as of September 11, 2006)
835003 1 Main Door Assembly Complete
(for models mfd. between February 18, 2005 and September 11, 2006)
881689 1 Main Door Assembly Complete
(for models mfd. prior to February 18, 2005)
8 185522 2 Main Door Magnet Bracket
(for models mfd. as of September 11, 2006)
* Specify color when ordering.
10 American Dryer Corporation 450567- 7
Front Panel Assembly
For Models Mfd. as of January 1, 2002
Illus. No. Part No. Qty. Description
1 801606 1 Right-Hand Front Panel Assembly (for non-coin models) with Magnets
801608 1 Right-Hand Front Panel Assembly (for coin models) with Magnets
801574* 1 Right-Hand Front Panel Assembly (for non-coin models) with Magnets and E-Stop
883246* 1 Right-Hand Front Panel Assembly (for non-coin models) with Friction Catch
(includes illus. nos. 1, 3, 5, and 6)
2 150313 14 #10-16 x 1/2” TORX
150318 ** 25 IP Stick-Fit TORX
®
+ BTN, Type 1
®
+ Bit … Not Illustrated
3 116147 2 13” x 18-1/2” Rear Lower Wall Insulation
116320 1 Top Front Panel Insulation
116321 1 Bottom Front Panel Insulation
4 122002 1 Lint Drawer Switch
5 881987 1 Friction Door Latch Kit
(includes illus. nos. 5 and 6)
6 154215 2 5/32” Pop Rivet
7 102004 2 0.750 Round Door Magnet
8 152223 2 1/2” Torx
* Specify color when ordering.
** As needed.
®
Head Screw
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Front Panel Assembly
For Models Mfd. prior to January 1, 2002
Illus. No. Part No. Qty. Description
1 150445 4 1/4-20 x 3/4” Stainless Steel Cap Screw
2 881441* 1 White Bottom Hinge Block
(includes illus. nos. 1 through 3)
3 153031 1 Nylon Washer
4 881440* 1 White Top Hinge Block with Cap Screws
(includes illus. nos. 1 and 4)
5 882057* 1 White Front Panel Assembly
(includes illus. nos. 5 through 7)
6 170330 1 Friction Door Catch
7 154215 2 5/32” Pop Rivet
8 116321 1 Bottom Front Panel Insulation
9 116320 1 Top Front Panel Insulation
10 150313 8 #10-16 x 1/2” TORX
150318 ** 25 IP Stick-Fit TORX
* Specify color if other than white.
** As required.
®
+ BTN, Type 1
®
+ Bit … Not Illustrated
12 American Dryer Corporation 450567- 7
Main Door Switch Assembly
Illus. No. Part No. Qty. Description
1 150006 2 #6-32 x 7/8” Phillips Pan Head Machine Screw
2 152013 2 #6-32 Hex Nut
3 153010 2 #6 Star Washer
4 137005 1 Single-Pole Door Switch
5 150445 4 1/4-20 x 3/4” Cap Screw
6 882866* 1 Black Main Door Switch Housing Only
881153* 1 Black Main Door Housing Assembly
(includes illus. nos. 1 through 4 and 6)
7 150301 2 #8-18 x 7/16” Phillips Pan Head TEK Screw
8 881441* 1 White Bottom Hinge Block with Cap Screws
(includes illus. nos. 5, 8, and 10)
9 881440* 1 White Top Hinge Block with Cap Screws
(includes illus. nos. 5 and 9)
10 153031 1 Nylon Washer
* Specify color if other than white.
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