ADC ML-75 User manual

ML-75 Parts Manual
24 VAC Phase 6
1997/1998
American Dryer Corporation
88 Currant Road
Fall River, MA02720-4781
Telephone: [phone] / Fax: [phone]
E-mail: [e-mail]
www.amdry.com
112697SL/abe ADC Part No. 450173

Retain This Manual In ASafe 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.
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.
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 [phone] 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.
ML-75
FOR YOUR SAFETY
Do not store or use gasoline or
other flammable vapors or liquids
in the vicinity of this or any other
appliance.
POUR VOTRE SÉCURITÉ
Ne pas entreposer ni utiliser d’essence
ni d’autres vapeurs ou liquides
inflammables dans le voisinage de cet
appareil ou de yout autre appareil.

Table of Contents
Control DoorAssembly .......................................................................................................................... 2
Phase 6 OPL Microprocessor Control PanelAssembly ........................................................................... 3
Microprocessor Control BoxAssembly............................................................................................... 4, 5
Front Panel/Main DoorAssemblies
For Models Mfd. as of October 24, 1997..................................................................................... 6, 7
Front Panel/Main DoorAssemblies
For Models Mfd. prior to October 24, 1997..................................................................................... 8
Main Door Switch
For Models Mfd. as of October 24, 1997......................................................................................... 9
Main Door Switch
For Models Mfd. prior to October 24, 1997................................................................................... 10
Drop Lint DoorAssembly ..................................................................................................................... 11
Lint TrapAssembly
For Gas and Electric Models with 8” Exhaust .................................................................................. 12
Lint TrapAssembly
For Steam Models with 10” Exhaust ............................................................................................... 13
Basket (Tumbler)/SupportAssemblies ................................................................................................... 14
Microprocessor Sensor BracketAssembly ............................................................................................ 15
Tumbler BearingAssembly .............................................................................................................. 16, 17
Idler BearingAssembly ................................................................................................................... 18, 19
Non-Reversing T.E.F.C. Motor MountAssembly ............................................................................ 20, 21
Reversing T.E.F.C. Motor MountAssembly .................................................................................... 22, 23
Direct Spark Ignition (DSI) BurnerAssembly .................................................................................. 24, 25
Hot Surface Ignition (HSI) BurnerAssembly ................................................................................... 26, 27
Electric OvenAssembly .................................................................................................................. 28, 29
Air Operated Steam DamperAssembly ........................................................................................... 30, 31
Single-Phase (1ø) Motor, Electric Relay PanelAssembly ................................................................. 32, 33
3-Phase (3ø) Motor, Non-Reversing Electric Relay PanelAssembly ................................................ 34, 35
3-Phase (3ø) Motor, Reversing Electric Relay PanelAssembly ........................................................ 36, 37
Sail SwitchAssembly ............................................................................................................................ 38
Back GuardAssemblies
For Gas and Electric Models ONLY ............................................................................................... 39
Back GuardAssembly
For Steam Models ONLY .............................................................................................................. 40
Electric Oven ComponentApplication Chart ......................................................................................... 41
Step Down Transformer Usage Listing .................................................................................................. 42
Additional PartsAvailable ..................................................................................................................... 43

2
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Control Door Assembly
Illus. No. Part No. Qty.Description
1 112366 1 Logo ONLY
2* 881691 1 Control Door Assembly
(includes illus. nos. 2, 3, 7, and 8)
For Models Mfd. as of October 24, 1997
881045 1 Control Door Assembly
(includes illus. nos. 2, 3, 7, and 8)
For Models Mfd. prior to October 24, 1997
3 117600 4 Noise Suppression Tape (sold by the foot)
4 150309 4 #10-16 x 1/2” Hex Head TEK Crimptite Screw
5 102603 1 Control Door Rod Support Catch
6 102601 1 Control Door Rod Retainer Clip
7 102502 1 Control Door Support Rod
8 882541 2 Spring Turn Latch (2-piece)
* Specify color when ordering.

3
Telephone: [phone] Fax: [phone]
Illus. No. Part No. Qty.Description
1 112537 1 Phase 6 OPL Keyboard
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 Controller (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 150309 1 #10-32 x 1/2” Hex Head TEK Crimptite Screw
7 136048 1 1/8-Amp (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

4
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Microprocessor Control Box Assembly

5
Telephone: [phone] Fax: [phone]
Illus. No. Part No. Qty.Description
1 881790 1 Burner Control Wiring
2 881789 1 Basket (tumbler) Hi-Limit Temperature Sensor Harness
3 881637 1 Sail Switch Hi-Limit Harness
4 881788 1 Power Control Harness
(for non-reversing gas models Only)
881787 1 Power Control Harness
(for reversing gas models Only)
881786 1 Power Control Harness
(for reversing steam models Only)
5 881785 1 Door Switch Harness
6 824993 1 Rotational Sensor Harness
(front wiring box to rear wiring box)
824994 1 Rotational Sensor Harness
(rear wiring box to sensor)
7 122648 1 4-Pin Connector
8 122706 4 Socket Terminal ONLY
9 122646 1 2-Pin Connector
10 122706 2 Socket Terminal ONLY
11 122706 9 Socket Terminal ONLY
12 122640 1 9-Pin Connector
13 122706 6 Socket Terminal ONLY
14 122644 1 6-Pin Terminal
Microprocessor Control Box Assembly

6
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Front Panel/Main Door Assemblies
For Models Mfd. as of October 24, 199T

7
Telephone: [phone] Fax: [phone]
Illus. No. Part No. Qty.Description
1 881871 1 Front Panel Assembly (white)
(includes illus. nos. 1, 11, and 12)
881697 1 Front Panel Assembly (blue)
(includes illus. nos. 1, 11, and 12)
2 102214 1 29-7/8” Door Glass
170730 1 Door Glass Adhesive (10.3 oz. cartridge)
3 882411 1 Main Door Extruded Gasket (104”)
170730 1 Door Gasket Adhesive (10.3 oz. cartridge)
4 881689 1 White Main Door Assembly Complete
(includes illus. nos. 2 through 10)
881738 1 Blue Main Door Assembly Complete
(includes illus. nos. 2 through 10)
881684 1 White Main Door Ring
881756 1 Blue Main Door Ring
5 881806 6 1/4-20 Free Spin Wash Nut (white)
881807 6 1/4-20 Free Spin Wash Nut (blue)
6 881740 6 1/4-20 x 5/8” (white) Carriage Bolt
881739 6 1/4-20 x 5/8” (blue) Carriage Bolt
7 881688 1 White CRS Main Door Handle
881737 1 Blue CRS Main Door Handle
8 881685 1 White Main Door Hinge
881757 1 Blue Main Door Hinge
9 150120 1 Main Door Latch Screw
10 151012 1 #10-32 White Acorn Nut
151014 1 #10-32 Blue Acorn Nut
11 170330 1 Friction Door Catch
12 154215 2 5/32” Pop Rivet
13 150443 4 1/4-20 x 3/4” Stainless Steel Cap Screw
14 881440 1 White Top Hinge Block
(includes illus. nos. 13 and 14)
881736 1 Blue Top Hinge Block
(includes illus. nos. 13 and 14)
15 881441 1 White Bottom Hinge Block
(includes illus. nos. 13, 15, and 16)
881735 1 Blue Bottom Hinge Block
(includes illus. nos. 13, 15, and 16)
16 153031 1 Nylon Washer
Front Panel/Main Door Assemblies
For Models Mfd. as of October 24, 1997

8
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Front Panel/Main Door Assemblies
For Models Mfd. prior to October 24, 1997
Illus. No. Part No. Qty.Description
1 881741 1 White Main Door Handle
881760 1 Blue Main Door Handle
2 151011 3 5/16-18 Acorn Nut
3 881552 1 White Main Door ONLY
881550 1 Blue Main Door ONLY
881816 1 White Main Door Assembly
(includes illus. nos. 1 through 7)
881820 1 Blue Main Door Assembly
(includes illus. nos. 1 through 7)
4 151011 9 5/16-18 Acorn Nut
5 102210 1 20-7/16” Door Glass
170730 1 Door Glass Adhesive (10.3 oz. cartridge)
6 102112 2 Door Magnet (5/16” x 1/4” x 34-3/4”)
7 102356 1 Main Door Gasket (13-1/6” x 1-3/8” x 97-1/2”)
8 881441 1 White Bottom Hinge Block with Stainless Steel Cap Screw
881735 1 Blue Bottom Hinge Block with Stainless Steel Cap Screw
9 150443 4 1/4-20 x 3/4” Stainless Steel Cap Screw
10 881440 1 White Top Hinge Block with Stainless Steel Cap Screw
881736 1 Blue Top Hinge Block with Stainless Steel Cap Screw
11 881799 1 White Front Panel Assembly
881920 1 Blue Front Panel Assembly

9
Telephone: [phone] Fax: [phone]
Main Door Switch
For Models Mfd. as of October 24, 1997
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 1/4” ATF
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 Housing Assembly
(includes illus. nos. 1 through 4 and 6)
881700 1 Blue Main Door Switch with 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
(includes illus. nos. 5, 8, and 10)
881735 1 Blue Bottom Hinge Block
(includes illus. nos. 5, 8, and 10)
9 881440 1 White Top 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

10
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Main Door Switch
For Models Mfd. prior to October 24, 1997
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 1/4” ATF
3 153010 2 #6 Star Washer
4 137005 1 Single Pole Door Switch
5 150301 2 #8-18 x 7/16” Phillips Pan Head TEK Screw
6 881726 1 White Main Door Switch Housing ONLY
881698 1 White Main Door Switch with Housing Assembly
(includes illus. nos. 1 through 4 and 6)
7 150443 4 1/4-20 x 3/4” Stainless Steel Cap Screw
8 881441 1 White Bottom Hinge Block
(includes illus. nos. 7, 8, and 10)
9 881440 1 White Top Hinge Block
(includes illus. nos. 7 and 9)
10 153031 1 Nylon Washer

11
Telephone: [phone] Fax: [phone]
Illus. No. Part No. Qty.Description
1 800150 1 Knob Latch Kit Assembly
(includes illus. nos. 1 through 3)
2 160009 1 Knob Latch Adjustable Cam ONLY
3 150425 1 #12-24 x 3/8” Round Head Machine Screw ONLY
(screw for knob latch adjustable cam)
4 157000 1 Drop Lint Door Spring
5* 881692 1 Insulated Drop Lint Door Assembly
(includes illus. nos. 5 and 6)
6 117600 7 Noise Suppressor Tape (sold by the foot)
7 150419 2 #6 x 1/2” Tamperproof TEK Screw
150418 1 Tamperproof Screw Hand Driver
8 108120 1 Chain for Drop Lint Door (10-1/2” length)
* Specify color when ordering.
Drop Lint Door Assembly

12
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Illus. No. Part No. Qty.Description
1 800420 1 Non-Reversing Lint Trap Assembly Complete
(includes illus. nos. 1, 3, 4, and 5)
800421 1 Non-Reversing Lint Trap ONLY
800422 1 Reversing Lint Trap Assembly Complete
(includes illus. nos. 1, 3, 4, and 5)
800423 1 Reversing Lint Trap ONLY
2 154200 7 5/32” Pop Rivet
3 304101 1 Lint Screen Holder ONLY
4 150300 2 #10-16 x 1/2” Hex Washer TEK PLTD
5 800506 1 Lint Screen ONLY
6 150419 2 #6 x 1/2” Tamperproof TEK Screw
150418 1 Tamperproof Screw Hand Driver
7 108120 1 Chain for Drop Lint Door (10-1/2” length)
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
11 121400 1 Universal Bushing
Lint Trap Assembly
For Gas and Electric Models with 8” Exhaust

13
Telephone: [phone] Fax: [phone]
Lint Trap Assembly
For Steam Models with 10” Exhaust
Illus. No. Part No. Qty.Description
1 800440 1 Non-Reversing Lint Trap Assembly Complete
(includes illus. nos. 1, 3, 4, and 5)
800433 1 Non-Reversing Lint Trap ONLY
800441 1 Reversing Lint Trap Assembly Complete
(includes illus. nos. 1, 3, 4, and 5)
800434 1 Reversing Lint Trap ONLY
2 154200 7 5/32” Pop Rivet
3 304101 1 Lint Screen Holder ONLY
4 150300 2 #10-16 x 1/2” Hex Washer TEK PLTD
5 800506 1 Lint Screen ONLY
6 150419 2 #6 x 1/2” Tamperproof TEK Screw
150418 1 Tamperproof Screw Hand Driver
7 108120 1 Chain for Drop Lint Door (10-1/2” length)
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
11 121400 1 Universal Bushing

14
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Illus. No. Part No. Qty.Description
1 881780 1 Basket (tumbler) ONLY
881783 1 1-3/4” Non-Reversing Basket (tumbler) and Support Assembly Complete
(includes illus. nos. 1 through 12)
881782 1 1-3/4” Reversing Basket (tumbler) and Support Assembly Complete
(includes illus. nos. 1 through 12)
2 150413 40 #10-16 x 1/2” Torx Crimptite
3 390074 4 Basket (tumbler) Rib ONLY
4 153002 1 5/16” Lock Washer
5 150500 1 5/16-18 x 3/4” Socket Button Head Screw
6 881778 1 1-3/4” Non-Reversing Basket (tumbler) Support ONLY
881779 1 1-3/4” Reversing Basket (tumbler) Support ONLY
7 116000 1 Felt Collar ONLY
401010 1 #847 Adhesive For Felt Collar
8 153004 4 3/8” Flat Washer
9 100905 4 3/8-16 x 37” Tie Rod
10 152005 4 3/8-16 Hex Nut
11 153005 4 3/8” Lock Washer
12 153004 4 3/8” Flat Washer
Basket (Tumbler)/Support Assemblies

15
Telephone: [phone] Fax: [phone]
Microprocessor Sensor Bracket Assembly
Illus. No. Part No. Qty.Description
1 880251 1 1/4” Temperature Sensor Probe Assembly Complete
(includes illus. nos. 1 and 5 through 8)
2 130103 1 225º Large Automatic Thermostat ONLY
3 153010 2 #6 Star Washer
4 152000 2 #6-32 Hex Nut
5 121028 2 Insulated Terminal ONLY
6 122701 4 Socket Terminal ONLY
7 122605 1 4-Pin Socket Connector
8 154007 2 1/4” Tinnerman Push On Fastener
9 150005 2 #6-32 x 1/4” Phillips Round Head Machine Screw
10 801425 1 Microprocessor Sensor Bracket Assembly Complete
(includes illus. nos. 1 through 10)
305007 1 Universal Sensor Bracket ONLY
11 122604 1 4-Pin Connector ONLY
12 122700 4 Pin Terminal ONLY
122801 1 Pin/Socket Extraction Tool
13 150301 2 #8-18 x 7/16” Phillips Pan Head TEK Screw

16
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Tumbler Bearing Assembly
Illus. No. Part No. Qty.Description
1 880220 1 1-3/4” Flange Bearing with Nylock Setscrew
2 153025 4 9/16” Lock Washer
3 152050 4 9/16-12 Hex Nut
4 150508 2 3/8-16 x 3/4” Hex Head Machine Bolt
5 153005 2 3/8” Lock Washer
6 152005 2 3/8-16 Hex Nut
7 150600 2 3/8-16 x 1-1/2” Hex Head Machine Bolt
8 153004 * 3/8” Flat Washer
9 153005 2 3/8” Lock Washer
10 152005 2 3/8-16 Hex Nut

17
Telephone: [phone] Fax: [phone]
Tumbler Bearing Assembly (continued)
Illus. No. Part No. Qty.Description
11 150501 4 5/16-18 x 3/4” Hex Head Machine Bolt
12 153002 4 5/16” Lock Washer
13 153001 4 5/16” Flat Washer
14 150621 2 5/16-18 x 1-1/2” Hex Head Machine Bolt
15 152004 2 5/16-18 Hex Nut
16 801107 1 1-3/8” Bearing Box Magnetic Sensor Assembly Complete
(includes illus. nos. 4 through 20)
For Models Mfd. without Rotational Sensor
(for models mfd. as of April 12, 1999)
801101 1 1-3/8” Bearing Box Assembly Complete
(includes illus. nos. 4 through 20)
For Models Mfd. without Rotational Sensor
(for models mfd. prior to April 12, 1999)
801103 1 1-3/8” Bearing Box and Support ONLY
(includes illus. nos. 4, 5, 6, 16, and 17)
801105 1 1-3/8” Bearing Box ONLY
17 801104 1 Pillow Block Bearing Support ONLY
18 880202 1 1-3/8” Pillow Block Bearing with Nylock Setscrew
880779 1 1-3/8” Pillow Block Bearing Assembly with Magnet
(for models mfd. with optional rotational sensor)
19 152004 2 5/16-18 Hex Nut
20 150610 2 5/16-18 x 1-1/2” Allen Setscrew
21 101100 1 18” Pulley
(for non-reversing models Only)
101118 1 18-3/4” Pulley
(for reversing models Only)
22 101119 1 1-3/8” Taper Lock Hub (key not included)
For Reversing Models ONLY
23 154301 2 5/16-18 x 5/16” Allen Setscrew
(for non-reversing models Only)
24 100713 1 1/4” x 1/4” x 7/8” Key
(for non-reversing models Only)
100735 1 Shaft Key (for taper lock hub)
For Reversing Models ONLY
25 100106 1 5L-690 V-Belt (basket [tumbler] to idler)
26 824807 1 Rotational Sensor Assembly
(for models mfd. with optional rotational sensor)
* As required.

18
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Idler Bearing Assembly