ADC ML-78 User manual

ML-78
Parts Manual
AmericanDryerCorporation
88Currant Road
FallRiver,MA02720-4781
Telephone: [phone] / Fax: [phone]
E-mail:[e-mail]
ADCPart No. 450181

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 properly licensed technicians should service this equipment.
OBSERVEALLSAFETYPRECAUTIONSdisplayedonthe equipment orspecifiedin theinstallation/operator's
manual included with the dryer.
WARNING: UNDER NO CIRCUMSTANCES should the door switch or the heat circuit devices
ever be disabled.
WARNING: The dryer must never be operated with any of the back guards, outer tops, or
service panels removed. PERSONAL INJURY or FIRE COULD RESULT.
We have tried to make this manual as complete as possible and hope you will find it useful. ADC reserves the
righttomakechanges from time to time,withoutnoticeorobligation, in prices, specifications,colors,andmaterial,
and to change or discontinue models.
Important
Foryourconvenience,logthefollowinginformation:
Replacement parts can be obtained from your distributor or the ADC factory. When ordering replacement parts
from the factory, you can FAX your order to ADC at [phone] or telephone your orders directly to the
ADC Parts Department at [phone]. Please specify the dryer model and serial numbers 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.
DATE OF PURCHASE MODEL NO.
DISTRIBUTORS NAME
Serial Number(s)
ML-78
“IMPORTANTNOTETOPURCHASER”
Informationmustbeobtainedfrom yourlocalgassupplierontheinstructions
tobefollowedif the user smellsgas. Theseinstructionsmustbe posted ina
prominentlocationnearthedryer.

Table of Contents
Control DoorAssembly ..................................................................................................................................... 4
OPL Microprocessor Control Panel Assembly
For models mfd. as of January 1, 2002 ....................................................................................................... 5
Phase 6 OPL Microprocessor Control Panel Assembly .................................................................................6, 7
Main DoorAssembly (Round Door)...............................................................................................................8, 9
Front PanelAssembly
For models mfd. as of March 1, 2002 ....................................................................................................... 10
Main Door SwitchAssembly for Round Main Door ........................................................................................11
Sensor Bracket Assembly................................................................................................................................ 12
Lint TrapAssembly .......................................................................................................................................... 13
Lint TrapAssembly
For models mfd. as of January 1, 2002 ..................................................................................................... 14
Drop Lint DoorAssembly................................................................................................................................ 15
Drop Lint DoorAssembly
For models mfd. as of March 1, 2002 ....................................................................................................... 16
Basket (Tumbler) SupportAssembly ............................................................................................................... 17
Idler BearingAssembly ..............................................................................................................................18, 19
Tumbler BearingAssembly.........................................................................................................................20, 21
Single Phase Motor, Electric Relay PanelAssembly..................................................................................22, 23
3-Phase Motor, Non-Reversing Electric Relay Panel Assembly................................................................24, 25
3-Phase Motor, Reversing Electric Relay Panel Assembly ........................................................................26, 27
Non-Reversing Totally Enclosed, Fan-Cooled (T.E.F.C.) Motor MountAssembly....................................28,29
Reversing Totally Enclosed, Fan-Cooled (T.E.F.C.) Motor MountAssembly............................................30, 31
Hot Surface Ignition (HSI) Burner Assembly ............................................................................................32, 33
Sail SwitchAssembly....................................................................................................................................... 34
Back Guard Assemblies................................................................................................................................... 35
Additional PartsAvailable ................................................................................................................................ 36

4
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Control Door Assembly
Illus. No. Part No. Qty Description
1 881910 1 ML-78 Control DoorAssembly White (includes illus. nos. 1 through 3)
881911 1 ML-78 Control DoorAssembly Blue (includes illus. nos. 1 through 3)
2 160005 2 Spring Turn Latch (2 piece)
3 117603 4 Noise Suppression Tape (sold by the foot)
4 112366 1 Milnor Logo ONLY

Telephone: [phone] Fax: [phone]
5
OPLMicroprocessor Control PanelAssembly
Illus. No. Part No. Qty.Description
1 801834 1 OPL 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 + BTN, Type 1
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 LogoOnly
* Contact reseller for logo.
For Models Mfd. as of January 1, 2002

6
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Phase 6 OPL Microprocessor Control Panel Assembly

Telephone: [phone] Fax: [phone]
7
Illus. No. Part No. Qty Description
1 112537 1 Phase 6 OPL Keypad
112276 1 OPL Stick-on Labels (English Only) Not Illustrated
112275 1 OPL Stick-on Labels (Spanish, Italian and Hebrew) Not Illustrated
112277 1 3 Language OPL Stick-on Labels (English, Spanish and Hebrew)
Not Illustrated
112278 1 5 Language OPL Stick-on Labels
(Italian, Dutch, French, German and Chinese) Not Illustrated
2 881745 1 Phase 6 Microprocessor (computer) Panel ONLY
881747 1 Phase 6 OPL Non-Reversing Computer Panel Assembly Complete
(includes illus. nos. 1 through 5 and 7 through 9)
881746 1 Phase 6 OPL Reversing Computer Panel Assembly Complete
(includes illus. nos. 1 through 5 and 7 through 9)
3 137123 1 Phase 6 OPL Non-Reversing Microprocessor Controller ONLY
137122 1 Phase 6 OPL Reversing Microprocessor Controller ONLY
4 150005 2 #6-32 x 3/4” Phillips Round Head Machine Screw
5 153010 2 #6 Star Washer
6 150415 1 #10-32 x 1/2” Phillips Round Head Crimptite Screw
7 136048 1 1/8Amp (Slo Blo) Fuse
8 136017 1 3.15 Amp (Fast Acting) Fuse
9 136019 1 1 Amp (Fast Acting) Fuse
Phase 6 OPL Microprocessor Control Panel Assembly

8
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Main Door Assembly (Round Door)

Telephone: [phone] Fax: [phone]
9
Illus. No. Part No. Qty Description
1 881685 1 White Main Door Hinge
881757 1 Blue Main Door Hinge
2 881740 6 1/4-20 x 5/8" (white) Carriage Bolt
881739 6 1/4-20 x 5/8" (blue) Carriage Bolt
3 151012 4 #10-32 White Nylon Acorn Nut
151014 4 #10-32 Blue NylonAcorn Nut
4 881688 1 White CRS Main Door Handle
881737 1 Blue CRS Main Door Handle
5 102213 1 29-7/8" Door Glass
170730 1 Door GlassAdhesive (10.3 oz cartridge)
6 881806 6 1/4-20 Free Spin Wash Nut (white)
881807 6 1/4-20 Free Spin Wash Nut (blue)
7 150120 1 Main Door Latch Screw
8 151010 1 #10-32 Hex Acorn Nut (black)
9 881689 1 White Main DoorAssembly Complete (includes illus. nos. 1 through 10)
881738 1 Blue Main DoorAssembly Complete (includes illus. nos. 1 through 10)
881684 1 White Main Door Ring
881756 1 Blue Main Door Ring
10 102356 1 97-1/2" Main Door Gasket
11 150443 2 1/4-20 x 3/4" Stainless Steel Cap Screw
12 881441 1 White Bottom Hinge Block (includes illus. nos. 11 and 12)
881735 1 Blue Bottom Hinge Block (includes illus. nos. 11 and 12)
13 153031 1 Nylon Washer
14 881440 1 White Top Hinge Block (includes illus. nos. 11 and 14)
881736 1 Blue Top Hinge Block (includes illus. nos. 11 and 14)
15 882057 1 White Front PanelAssembly (includes illus. nos. 15-17)
882058 1 Blue Front PanelAssembly (includes illus. nos. 15-17)
16 170330 1 Friction Door Catch
17 154215 2 5/32" Pop Rivet
Main Door Assembly (Round Door)

10
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Front Panel Assembly
For Models Mfd. as of March 1, 2002
Illus. No. Part No. Qty.Description
1 883246* 1 Right Hand Front Panel Assembly (for Non-Coin models)
(includes illus. nos. 1, 3, 5, and 6)
2 150313 14 #10-16 x 1/2” TORX + BTN, Type 1
150318 ** 25 IP Stick-Fit TORX + 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
* Specify color when ordering.
** As needed.

Telephone: [phone] Fax: [phone]
11
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 150443 4 1/4-20 x 3/4" Stainless Steel Cap Screw
6 881687 1 White Main Door Switch Housing ONLY
881695 1 Blue Main Door Switch Housing ONLY
881702 1 White Main Door Switch with HousingAssembly
(includes illus. nos. 1 through 4 and 6)
881700 1 Blue Main Door Switch with HousingAssembly
(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 (includes illus. nos. 5 and 8)
881735 1 Blue Bottom Hinge Block (includes illus. nos. 5 and 8)
9 881440 1 WhiteTop Hinge Block (includes illus. nos. 5 and 9)
881736 1 Blue Top Hinge Block (includes illus. nos. 5 and 9)
10 153031 1 Nylon Washer
Main Door Switch Assembly for Round Main Door

12
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
SensorBracket Assembly
Illus. No. Part No. Qty Description
1 130103 1 225º F Large Automatic Thermostat ONLY
2 153010 2 #6 Star Washer
3 152000 2 #6-32 Hex Nut
4 154007 2 1/4" Tinnerman Push On Fastener
5 150005 2 #6-32 x 1/4" Phillips Round Head Machine Screw
6 881912 1 ML-78 Temperature Sensor Bracket Complete
(includes illus. nos. 1-7)
7 880251 1 1/4” Temperature Sensor Probe Assembly
(includes illus. nos. 7 through 9)
122605 1 4 Pin Socket Connector
8 122701 4 Socket Terminal ONLY
9 121028 2 Insulated Terminal ONLY
10 150301 2 #8-18 x 7/16" Phillips Pan Head TEK Screw
11 122604 1 4 Pin Connector ONLY
12 122700 4 Pin Terminal ONLY
122801 1 Pin/Socket Extraction Tool (for removal of illus. no. 8 and 12)

Telephone: [phone] Fax: [phone]
13
Lint Trap Assembly
Illus. No. Part No. Qty Description
1 881904 1 Lint CoupeAssembly Complete (includes illus. nos. 1, 3 through 5)
801767 1 Lint Coupe ONLY
2 154200 7 5/32" Pop Rivet
3 304100 1 Lint Screen Hold Down
4 150300 3 #10 x 1/2" Hex Washer TEK Screw
5 800500 2 Lint Screen
6 150419 2 #6 x 1/2" Tamper Proof TEK Screw
7 108120 1 Chain for Drop Lint Door
150418 1 Tamper Proof Screw Hand Driver
8 150425 2 #12-24 x 3/8" Phillips Round Head Screw
9 122116 1 Lint Drawer Switch ONLY
10 323724 1 Lint Drawer Switch Bracket

14
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Lint Trap Assembly
For Models Mfd. as of January 1, 2002
Illus. No. Part No. Qty.Description
1 802833 1 Lint TrapAssembly Complete
(includes illus. nos. 1 and 3 through 5)
802834 1 LintTrapOnly
2 154200 6 5/32” Pop Rivet
3 150300 3 #10-16 x 1/2” Hex Washer TEK Screw
4 304100 1 Lint Screen Holder Only
5 800500 2 Lint ScreenAssembly

Telephone: [phone] Fax: [phone]
15
Illus. No. Part No. Qty Description
1 800150 1 Knob Latch KitAssembly (includes illus. nos. 1 and 2)
160200 1 Knob Latch ONLY with 2 (two) screws (without cam)
2 160009 1 Knob Latch Adjustable Cam ONLY
3 157000 1 Drop Lint Door Spring
4 881906 1 ML-78 White Insulated Drop Lint DoorAssembly
(includes illus. nos. 4, 5 and 7)
881907 1 ML-78 Blue Insulated Drop Lint DoorAssembly
(includes illus. nos. 4, 5 and 7)
5 117600 7 Noise Suppressor Tape (sold in feet)
6 150425 1 #12-24 x 3/8" Round Head Machine Screw ONLY
(screw for knob latch adjustable cam)
7 116322 1 Lint Door Insulation
Drop Lint Door Assembly

16
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Drop Lint Door Assembly
For Models Mfd. as of March 1, 2002
Illus. No. Part No. Qty.Description
1 883680* 1 White Drop Lint DoorAssembly
(includes illus. nos. 1 through 3)
2 117604 5 Noise Suppression Tape (sold by the foot)
3 170226 1 Slide Latch
* Specify color if other than white.

Telephone: [phone] Fax: [phone]
17
Illus. No. Part No. Qty Description
1 801751 1 Basket (tumbler) ONLYWithout Felt Collar
801773 1 ML-78 Basket (tumbler) and SupportAssembly Complete
(includes illus. nos. 1 through 11)
2 801774 1 Tumbler Support ONLY
3 150500 1 5/16-18 x 3/4" Socket Buttonhead Screw
4 100912 8 1/2"-13 x 25-3/8" Tie Rod
5 116006 1 FeltCollar
170730 1 Felt CollarAdhesive (10.3 oz.)
6 153011 8 1/2" Flat Washer
7 153026 8 1/2" Lock Washer
8 152011 8 1/2-13 Hex Nut
9 301701 * TumblerShims
10 314701 4 Tumbler Ribs
11 150413 32 #10-16 x 1/2" TORX Crimptite Screws
* As Required
Basket (Tumbler) Support Assembly

18
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
IdlerBearingAssembly

Telephone: [phone] Fax: [phone]
19
Illus. No. Part No. Qty.Description
1 100185 1 5L-780 V-Belt (idler to basket [tumbler])
2 101140 1 14"x 3" Compound Pulley
3 100178 1 4L-570V-Belt (idler to motor)
4 154301 2 5/16-18 x 1"Allen Set Screw
5 100705 1 3/16" x 3/16" x 1-3/8" Key
6 883473 1 Idler BearingAssembly Complete
(includes illus. nos. 5 through 17)
7 150617 2 3/8-16 x 1" Hex Head Machine Bolt
8 153005 2 3/8" Lock Washer
9 153004 2 3/8" Flat Washer
10 801009 1 Idler Square Washer
11 152005 1 3/8"-18 Hex Nut
12 150623 1 3/8"-16 x 5" Hex Head Machine Bolt
IdlerBearingAssembly

20
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Tumbler Bearing Assembly