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American Dryer Corp
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Laundry Appliance
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Clothes Dryer
American Dryer Corp
AD-25, AD-30 service manual
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66 pages, 2.76 Mb
AD-25, 30, 50, 75 and 758
Service Manual
Phase 7.2 Non-Coin
American Dryer Corporation
88 Currant Road
Fall River MA 02720-4781 USA
Telephone: (508) 678-9000 / Fax: (508) 678-9447
e-mail: techsupport@amdry.com
www.amdry.com
ADC
Part No. 450268
Contents
Main
IMPORTANT
Retain This Manual in a Safe Place for Future Reference
Table of Contents
SECTION I
IMPORTANT INFORMATION
should not be
DO NOT
DO NOT
SECTION II
ROUTINE MAINTENANCE
A. CLEANING
SUGGESTED CLEANING SCHEDULE
B. ADJUSTMENTS
C. LUBRICATION
SECTION III
INSTALLATION REQUIREMENTS
A. ENCLOSURE, AIR SUPPLY, AND EXHAUST REQUIREMENTS
B. ELECTRICAL AND GAS REQUIREMENTS
made by a qualified technician.
DO NOT operate the dryer
NOTE: Any burner changes
C. OPERATIONAL SERVICE CHECK PROCEDURE
SECTION IV
DESCRIPTION OF PARTS
A. CONTROL PANEL (MICROPROCESSOR)
B. CONTROL BOX (COMPUTER CONTROLS)
C. MAIN DOOR SWITCH
D. LINT DRAWER SWITCH
E. LINT DRAWER
F. TUMBLER
G. TUMBLER BEARING AND PULLEY ARRANGEMENT
H. IDLER BEARING
NON-REVERSING MODELSREVERSING MODELS
I. DRIVE MOTOR AND BLOWER MOTOR
J. TEMPERATURE SENSOR (COMPUTER CONTROLS)
K. GAS BURNER
L. STEAM DAMPER SYSTEM
M. COMPRESSED AIR REQUIREMENTS
N. ELECTRIC OVEN
O. SAIL SWITCH (ELECTRIC AND GAS MODELS)
P. MOTOR CONTACTOR (1 MOTOR)
Q. NON-REVERSING CONTACTOR (3 MOTOR)
R. REVERSING RELAY PANEL
Page
SECTION V
SERVICING
A. CONTROLS (COMPUTER)
TO REPLACE COMPUTER
Page
B. BURNER CONTROLS (GAS)
Page
Page
must be
Page
Page
TO REPLACE STEAM COIL (DAMPER SYSTEM)
TO REPLACE PISTON
Page
D. ELECTRICAL OVEN CONTROLS
TO REPLACE ELECTRICAL ELEMENTS
TO REPLACE OVEN CONTACTOR
E. THERMOSTATS AND TEMPERATURE SENSOR
F. SAIL SWITCH ASSEMBLY (GAS AND ELECTRIC MODELS)
G. FRONT PANEL AND MAIN DOOR ASSEMBLIES
Page
Step #2
DO NOT
H. TUMBLER AND BEARING ASSEMBLY
Page
I. IDLER AND BEARING ASSEMBLY
J. DRIVE PULLEY
K. TUMBLER
TUMBLER ALIGNMENT (LATERAL)
Page
L. V-BELTS
(Refer to illustration in Sections I, J, and K)
V-BELT TENSION ADJUSTMENT TUMBLER TO IDLER
V-BELT TENSION ALIGNMENT MOTOR TO IDLER
Step #1
M. MOTOR
N. IMPELLOR
Steps #1 through #5 and #8
Page
SECTION VI
TROUBLESHOOTING
PHASE 7 NON-COIN SYSTEM DIAGNOSTICS
A. DIAGNOSTIC (L.E.D. DISPLAY) FAULT MESSAGES
B. INPUT/OUTPUT BOARD LIGHT EMITTING DIODE (L.E.D.) INDICATORS
Page
A. The display reads Exhaust High Limit Fault. (Refer to page 51)
Steps #1 through #4
Step #6
Step #4
Step #3
E. The display reads Sail Switch Closed Fault. (Refer to page 52)
F. The display reads Burner Ignition Control Fault. (Refer to page 52)
Step #2
Page
J. No display condition or display reads Low Voltage Fault.* (Refer to page 54)
L. The display reads Cycle Paused, Main Door Open. (Refer to page 56)
M. The display reads Cycle Paused, Lint Access Open. (Refer to page 56)
Page
Page
Page
Page
Page
Page
Page
SECTION VII
DATA LABEL INFORMATION
A. DATA LABEL
B. USING A MANOMETER
HOW TO USE A MANOMETER
NOTE: Place manometer in a position so that readings can be taken at eye level.
C. KEYPAD LAYOUT
D. SENSOR ACTIVATED FIRE EXTINGUISHING (S.A.F.E.) SYSTEM
SYSTEM RESET
IMPORTANT: This is a test function only and the keys
NON-COIN S.A.F.E. SYSTEM CHECK PROCEDURE
E. STATIC PRESSURE
ILLUS. #1
F. USING A MAGNEHELIC