American Dryer Corp. ML-55 Phase 7 User manual

ML-55 Parts Manual
Phase 6
1997 thru 2000
AmericanDryerCorporation
88Currant Road
FallRiver,MA02720-4781
Telephone: [phone] / Fax: [phone]
E-mail:[e-mail]
ADCPart No. 450172
012398WM/tf-m

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.
ML-55
“IMPORTANTNOTETOPURCHASER”
Informationmustbeobtainedfrom your localgassupplierontheinstructions
tobefollowedif the user smellsgas. Theseinstructionsmustbe posted ina
prominentlocationnearthedryer.
FORYOUR SAFETY
Donot store or use gasolineor
otherflammablevaporsor
liquidsinthevicinityofthisor
anyotherappliance.
POURVOTRESÉCURITÉ
Nepasentreposer ni utiliser d’essence
nid’autresvapeursouliquides
inflammablesdanslevoisinagedecet
appareiloude yout autre appareil.
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 OFPURCHASE ____________________________ MODELNO. __________________________________________
RESELLER’SNAME _______________________________________________________________________________________
Serial Number(s) ________________________________________________________________________________________
________________________________________________________________________________________
________________________________________________________________________________________
Replacement parts can be obtained from your reseller or the ADCfactory. 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
[phone]. Please specify thedryermodelnumber andserialnumberinaddition to thedescriptionandpart number,so
that your order is processed accurately and promptly.

Table of Contents
Control DoorAssembly.............................................................................................................3
Phase 6 OPL Microprocessor Control PanelAssembly ............................................................4
Phase 6 OPLMicroprocessor Control BoxAssembly...............................................................5
DualTimer Control PanelAssembly..........................................................................................6
DualTimer ControlBoxAssembly ............................................................................................7
Front Panel/Main DoorAssemblies with Mechanical Fasteners
for models mfd. as of January 16, 1998 .......................................................................8, 9
Front Panel/Main DoorAssemblies
for models mfd. between October 24, 1997 and January 16, 1998........................10, 11
Front Panel/Main DoorAssemblies
for models mfd. prior to October 24, 1997...................................................................12
MainDoorSwitchAssembly
for models mfd. as of October 24, 1997.........................................................................13
MainDoorSwitchAssembly
for models mfd. prior to October 24, 1997...................................................................14
Drop Lint DoorAssembly .......................................................................................................15
LintTrapAssembly ..................................................................................................................16
Basket(Tumbler)/SupportAssemblies .....................................................................................17
Sensor BracketAssemblies ...............................................................................................18, 19
TumblerBearingAssembly ................................................................................................20, 21
IdlerBearingAssembly .....................................................................................................22, 23
Non-ReversingTotallyEnclosed,Fan-Cooled (T.E.F.C.)Motor MountAssembly ............24, 25

ReversingTotally Enclosed, Fan-Cooled (T.E.F.C.) Motor MountAssembly ....................26, 27
HotSurface Ignition (HSI) BurnerAssembly ....................................................................28, 29
Sail Switch/Hi-LimitAssemblies ......................................................................................30, 31
AirOperatedSteamDamperAssembly..............................................................................32, 33
Single Phase (1ø) Rear Electric Relay PanelAssembly.....................................................34, 35
3-Phase (3ø) Motor, Non-Reversing Electric Relay PanelAssembly................................36, 37
3-Phase (3ø) Motor, Reversing Electric Relay PanelAssembly ........................................38, 39
DualTimer Non-Reversing Electrical PanelAssembly......................................................40, 41
DualTimer Reversing Electrical PanelAssembly..............................................................42, 43
OuterTop/Back GuardAssemblies ..........................................................................................44
Hot Surface Ignition (HSI) BurnerAssembly Specifications ...................................................45
StepDownTransformer Usage Listing
for Microprocessor (computer) Models ONLY ...........................................................46
AdditionalPartsAvailable........................................................................................................47

3
Telephone: [phone] Fax: [phone]
Control Door Assembly
Illus. No. Part No. Qty.Description
1 112366 1 Logo ONLY
2 881869 1 White Control DoorAssembly
(includes illus. nos. 2, 3, and 8)
For models mfd. as of October 24, 1997)
881694 1 Blue Control DoorAssembly
(includes illus. nos. 2, 3, and 8)
For models mfd. as of October 24, 1997)
881744 1 Control DoorAssembly
(includes illus. nos. 2, 3, 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 102600 1 Control Door Rod Support Catch
6 102601 1 Control Door Rod Retainer Clip
7 102502 1 Control Door Support Rod
8 160005 2 Spring Turn Latch (2-piece)

4
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
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 3 #6-32 x 3/4” Phillips Round Head Machine Screw
5 153010 3 #6 Star Washer
6 150309 1 #10-16 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 OPLMicroprocessor Control Panel Assembly

5
Telephone: [phone] Fax: [phone]
Phase 6 OPL Microprocessor Control Box Assembly
Illus. No. Part No. Qty.Description
1 881790 1 Burner Control Wiring
2 881851 1 Basket (Tumbler) Hi-Limit Temperature Sensor Harness
3 881850 1 Sail Switch Hi-Limit Harness
4 881852 1 Power Control Harness
(for Non-Reversing Gas Models Only)
881853 1 Power Control Harness
(for Reversing Gas Models Only)
5 881785 1 Door Switch Harness
6 824993 1 Rotational Sensor Harness
(Front Wiring Box to RearWiring 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-PinTerminal
--- 122801 1 Pin/Socket Extraction Tool

6
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Dual Timer Control Panel Assembly
Illus. No. Part No. Qty.Description
1 123005 1 Red Indicator Light - 24 VAC
2 122400 1 Rocker Heat Selector Switch
3 824015 1 Dual Timer Control Panel Assembly Complete - 24 VAC
(includes illus. nos. 1 through 21)
800051 1 Dual Timer Control Panel ONLY
4 131917 1 Push-to-Start Relay - 24 VAC
5 150207 2 #10-24 x 1/2” Phillips Round Head Machine Screw
6 154001 2 #10-24 Speed Nut
7 152000 2 #6-32 Hex Nut
8 153010 2 #6 Star Washer
9 120730 1 30-Position Terminal Block
10 150002 2 #6-32 x 1” Phillips Round Head Machine Screw
11 150110 4 #8-32 x 1/4” Phillips Round Head Machine Screw
12 150001 2 #6-32 x 1/2” Phillips Round Head Machine Screw
13 131931 1 Dual Timer Relay - 24 VAC
14 151000 2 #6-32 Pal Nut
15 112050 1 Dual Timer Label ONLY
16 150309 1 #10-16 x 1/2” Hex Head TEK Crimptite Screw
17 124103 2 Arrow Timer Knob
18 124025 1 60-Minute Timer - 24 VAC
19 124030 1 15-Minute Timer - 24 VAC
20 122602 1 9-Pin Connector ONLY
21 122700 8 Pin Terminal ONLY
--- 122801 1 Pin/Socket Extraction Tool

7
Telephone: [phone] Fax: [phone]
Dual Timer Control Box Assembly
Illus. No. Part No. Qty.Description
1 122601 1 9-Pin Socket Connector
2 122701 8 Socket Terminal ONLY
122801 1 Pin/Socket Extraction Tool
3 315010 1 9-Pin Connector Bracket
4 150300 2 #10 x 1/2” Hex Washer TEK Screw
5 150002 2 #6-32 x 1” Phillips Round Head Machine Screw
6 120715 1 30-Position Terminal Block
7 151000 2 #6-32 Pal Nut
8 150309 2 #10-16 x 1/2” Hex Head TEK Crimptite Screw
9 131932 1 Heat Relay - 24 VAC

8
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Front Panel/Main Door Assemblies with Mechanical Fasteners
formodels mfd. as ofJanuary 16, 1998

9
Telephone: [phone] Fax: [phone]
Illus. No. Part No. Qty.Description
1 881871 1 White Front PanelAssembly
(includes illus. nos. 1, 12, and 13)
881697 1 Blue Front PanelAssembly
(includes illus. nos. 1, 12, and 13)
2 102214 1 30” Door Glass
170730 1 Door Glass/Gasket Adhesive (10.3 oz Cartridge)
3 151012 4 10-32 NylonAcorn Nut - White
4 102357 2 Main Door Gasket
170730 1 Door Glass/ Gasket Adhesive (10.3 oz Cartridge)
5 881968 1 White Main DoorAssembly With Mechanical Fasteners
(includes illus. nos. 2 though 11)
881969 1 Blue Main Door Assembly With Mechanical Fasteners
(includes illus. nos. 2 through 11)
881966 1 White Main Door Ring
881967 1 Blue Main Door Ring
6 881806 6 White 1/4-20 Free Spin Wash Nut
881807 6 Blue 1/4-20 Free Spin Wash Nut
7 881740 6 White 1/4-20 x 5/8” Carriage Bolt
881739 6 Blue 1/4-20 x 5/8” Carriage Bolt
8 881688 1 White Main Door Handle
881737 1 Blue Main Door Handle
9 881685 1 White Main Door Hinge
881757 1 Blue Main Door Hinge
10 150120 1 Main Door Latch Screw
11 151012 1 #10-32 White Acorn Nut
151014 1 #10-32 Blue Acorn Nut
12 170330 1 Friction Door Catch
13 154215 2 5/32” Pop Rivet
14 150443 4 1/4-20 x 3/4” Stainless Cap Screw
15 881440 1 White Top Hinge Block With Stainless Steel Cap Screw
(includes illus. nos. 14 and 15)
881736 1 Blue Top Hinge Block with Stainless Steel Cap Screw
(includes illus. nos. 14 and 15)
16 881441 1 White Bottom Hinge Block With Stainless Steel Cap Screw
(includes illus. nos. 14 and 16)
881735 1 Blue Bottom Hinge Block With Stainless Steel Cap Screw
(includes illus. nos. 14 and 16)
17 153031 1 Nylon Washer
Front Panel/Main Door Assemblies with Mechanical Fasteners
formodels mfd. as ofJanuary 16, 1998

10
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Front Panel/Main Door Assemblies
formodels mfd. betweenOctober 24, 1997and January 16,1998

11
Telephone: [phone] Fax: [phone]
Front Panel/Main Door Assemblies
formodels mfd. betweenOctober 24, 1997and January 16,1998
Illus. No. Part No. Qty.Description
1 881871 1 White Front PanelAssembly
(includes illus. nos. 1, 11, and 12)
881697 1 Blue Front PanelAssembly
(includes illus. nos. 1, 11, and 12)
2 102213 1 29-7/8” Door Glass
170730 1 Door Glass/Gasket Adhesive (10.3 oz. cartridge)
3 102354 1 Main Door Gasket (7/8” x 7/8” x 73”)
170730 1 Door Gasket/Glass Adhesive (10.3 oz. cartridge)
4 881689 1 White Main DoorAssembly Complete
(includes illus. nos. 2 through 10)
881738 1 Blue Main DoorAssembly 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 with Stainless Steel Cap Screw
(includes illus. nos. 13 and 15)
881736 1 Blue Top Hinge Block with Stainless Steel Cap Screw
(includes illus. nos. 13 and 15)
15 881441 1 White Bottom Hinge Block with Stainless Steel Cap Screw
(includes illus. nos. 14 and 15)
881735 1 Blue Bottom Hinge Block with Stainless Steel Cap Screw
(includes illus. nos. 14 and 15)
16 153031 1 Nylon Washer

12
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Front Panel/Main Door Assemblies
formodels mfd.prior toOctober 24,1997
Illus. No. Part No. Qty.Description
1 881741 1 White Main Door Handle
881760 1 Blue Main Door Handle
2 151011 3 5/16-18Acorn Nut
3 881552 1 White Main Door ONLY
881550 1 Blue Main Door ONLY
881816 1 White Main DoorAssembly
881820 1 Blue Main DoorAssembly
(includes illus. nos. 1 through 7)
4 151011 9 5/16-18Acorn Nut
5 102210 1 20-7/16” Door Glass
170730 1 Door Glass/Gasket 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”)
170730 1 Door Gasket/Glass Adhesive (10.3 oz. cartridge)
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 PanelAssembly
881920 1 Blue Front PanelAssembly

13
Telephone: [phone] Fax: [phone]
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 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 with Stainless Steel Cap Screw
(includes illus. nos. 5 and 8)
881735 1 Blue Bottom Hinge Block with Stainless Steel Cap Screw
(includes illus. nos. 5 and 8)
9 881440 1 White Top Hinge Block with Stainless Steel Cap Screw
(includes illus. nos. 5 and 9)
881736 1 Blue Top Hinge Block with Stainless Steel Cap Screw
(includes illus. nos. 5 and 9)
10 153031 1 Nylon Washer
formodelsmfd.as of October 24, 1997

14
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
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 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 HousingAssembly
(includes illus. nos. 1 through 4 and 6)
881153 1 Black Main Door Switch with HousingAssembly
(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 with Stainless Steel Cap Screw
(includes illus. nos. 7 and 8)
881735 1 Blue Bottom Hinge Block with Stainless Steel Cap Screw
(includes illus. nos. 7 and 8)
9 881440 1 White Top Hinge Block with Stainless Steel Cap Screw
(includes illus. nos. 7 and 9)
881736 1 Blue Bottom Hinge Block with Stainless Steel Cap Screw
(includes illus. nos. 7 and 8)
10 153031 1 Nylon Washer
formodels mfd.prior toOctober 24,1997

15
Telephone: [phone] Fax: [phone]
Illus. No. Part No. Qty.Description
1 800150 1 Knob Latch KitAssembly
(includes illus. nos. 1 through 3)
160200 1 Knob Latch ONLY with 2 Screws (without cam)
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* 881870 1 White Drop Lint DoorAssembly
(includes illus. nos. 5 and 6)
881862 1 Blue Drop Lint DoorAssembly
(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

16
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Illus. No. Part No. Qty.Description
1 800402 1 Non-Reversing Lint TrapAssembly Complete
(includes illus. nos. 1, 3, 4, and 5)
800404 1 Non-Reversing Lint Trap ONLY
800407 1 Reversing Lint TrapAssembly Complete
(includes illus. nos. 1, 3, 4, and 5)
800406 1 Reversing Lint Trap ONLY
2 154200 7 5/32” Pop Rivet
3 304101 1 Lint Screen Holder ONLY
4 150300 2 #10 x 1/2” Hex Washer TEK Screw
5 800501 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 Machine Screw
9 122116 1 Lint Drawer Switch ONLY
10 323724 1 Lint Drawer Switch Bracket
--- 881769 1 Lint Drawer Switch Bracket Harness
Lint Trap Assembly

17
Telephone: [phone] Fax: [phone]
Illus. No. Part No. Qty.Description
1 881774 1 Basket (Tumbler) ONLY with Felt Collar
881829 1 Non-Reversing Basket (Tumbler) and SupportAssembly Complete
(includes illus. nos. 1 through 10)
881777 1 Reversing Basket (Tumbler) and SupportAssembly Complete
(includes illus. nos. 1 through 10)
2 100902 4 5/16-18 x 31” Tie Rod
3 153001 8 5/16” Flat Washer
4 153002 5 5/16” Lock Washer
5 150500 1 5/16-18 x 3/4” Socket Button Head Screw
6 881828 1 Non-Reversing Basket (Tumbler) Support ONLY
881776 1 Reversing Basket (Tumbler) Support ONLY
7 116000 1 Felt Collar ONLY
401010 1 #847Adhesive for Felt Collar
8 150309 40 #10-16 x 1/2” Hex Head TEK Crimptite Screw
9 152004 4 5/16” Hex Nut
10 301316 4 Basket (Tumbler) Rib ONLY
Basket (Tumbler)/SupportAssemblies

18
American Dryer Corporation 88 Currant Road / Fall River, MA 02720-4781
Sensor Bracket Assemblies
Microprocessor
Sensor
Bracket
Assembly
Non-Computer
Sensor
Bracket
Assembly
MAN0238