Table of Content | American Dryer Corp ML-145, ML-170 manual

	Table of Content
SECTION I
IMPORTANT INFORMATION		3
A. Safety Precautions		3
SECTION II
ROUTINE MAINTENANCE		5
A. Cleaning		5
B. Adjustments		6
C. Lubrication		6
SECTION III
INSTALLATION REQUIREMENTS		7
A. Enclosure, Air Supply, and Exhaust Requirements		7
B.	Electrical and Gas Requirements	7
C. Operational Service Check Procedure		8
SECTION IV
DESCRIPTION OF PARTS		10
A. Control Panel (Microprocessor)		10
B. Control Panel (Non-Microprocessor)		10
C. Control Box		10
D. HSI (Hot Surface Ignition) Module (Gas Models Only)		11
E.	Gas Burner Assembly	11
F.	Drive Motor	11
G. Blower Motor and Impellor (Gas and Steam)		12
H. Idler Assembly		12
I. Tumbler (Basket) Bearing and Pulley Arrangement		12
J.	Tumbler (Basket)	13
K. Main Door Switch		13
L. Sail Switch (Gas Models Only)		13
M. Hi-Limit (Gas Models Only)		14
N. Automatic Reset Thermostat		14
O. Lint Drawer		14
P.	Lint Drawer Switch	15
Q. Steam Damper System		15
R. Compressed Air Requirements		15
S.	Temperature Sensor Bracket (Non-Computer)	15

Image 5

American Dryer Corp ML-145, ML-170 service manual Table of Content

Contents

American Dryer Corporation ML-145 / ML-170 Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Content Section Technical Information Important Information Safety Precautions Standards Cleaning Routine Maintenance Lubrication Adjustments Electrical and GAS Requirements Installation RequirementsENCLOSURE, AIR SUPPLY, and Exhaust Requirements Operational Service Check Procedure Gas 10.5 inches water column 26.1 mb Control Panel Microprocessor Description of PartsControl Panel NON-MICROPROCESSOR Control BOX HSI HOT Surface Ignition Module GAS Burner AssemblyGas Models only Drive Motor Tumbler Basket Bearing and Pulley Arrangement Idler AssemblyBlower Motor and Impellor GAS and Steam Tumbler Basket Main Door SwitchSail Switch Gas Models only Lint Drawer Automatic Reset ThermostatHI-LIMIT Gas Models only Temperature Sensor Bracket NON-COMPUTER Lint Drawer SwitchSteam Damper System Compressed AIR Requirements Introduction ServicingComputer Controls To Replace Computer To Replace Microprocessor Temperature Sensor Probe To Replace Keyboard Touchpad Label Assembly To Replace Gas Valve Refer to above burner illustration To Remove Flame Probe AssemblyIgnition Controls To Replace Main Burner Orifices To Test and Adjust Gas Water Column Pressure To Replace Burner Tubes To Convert from Natural Gas to L.P. Gas To Replace Burner Hi-Limit Thermostat Gas Models Only To Replace HSI Hot Surface Ignition ModuleThermostats To Replace Sail Switch Sail Switch Assembly Gas Models only To Replace Main Door Assembly To Adjust Sail Switch To Replace Front Panel To Install New Main Door Glass To Replace Tumbler Basket Pulley To Replace Main Door Hinge BlocksPulleys To Replace Large Idler Pulley To Replace Small Idler Pulley To Replace Motor Pulley Tumbler Basket AssemblyTumbler Basket Alignment Vertical Up and Down Adjustment To Replace Tumbler Basket or Tumbler Basket Support Tumbler Basket Alignment Lateral Side to Side Adjustment Important Never strike the shaft directly with a hammer To Replace Front Idler Shaft Pillow Block Bearing To Replace Front Tumbler Basket Support Pillow Block Bearing Belts Refer to illustrations in section F Pulleys Belt Tension Adjustment Tumbler Basket to IdlerTo Replace Rear Idler Shaft Pillow Block Bearing To Replace V-Belts Belt Tension Adjustment Motor to IdlerMotors To Replace Drive Motor Impellor To Replace Lint Drawer Switch Lint Drawer Assembly To Replace Lint Screen Computer will not accept keyboard touchpad entries Troubleshooting Display is reading no Airflow Display is reading Rotation Sensor Fail Display is reading Drum Safety Fail Display is reading Sail Switch FailDisplay is reading Burner Safety Fail Display is reading No Heat Display is reading Burner Flame Failure Display is reading Burner Control FailureDisplay is reading Main Door Display is reading Lint Door Thermal overload for drive motor is tripping Display is reading HotDryer operates but is taking too long to dry There is excessive vibration coming from the tumbler basket Overload for impellor fan motor is tripping Electrical Troubleshooting Diagnostic L.E.D. light emitting diode Display Failure Codes Phase 6 OPL System DiagnosticsPage E.D. Display Indicator Number E.D. light emitting diode Display Indicators E.D. Display Indicator Number HT1 Heat Output L.E.D. Indicator FAN Blower Output L.E.D. light emitting diode IndicatorAIR AIR JET Output L.E.D. Indicator Optional Lint Lint Door Input L.E.D. Indicator Fuse Main Fuse Input L.E.D. IndicatorMain Main Door Input L.E.D. Indicator Drum Tumbler Basket HI-LIMIT Input L.E.D. Indicator Power Supply Input L.E.D. Indicator Flame bURNER Control Fail Input L.E.D. Indicator E.D. Display Operating Status D. DISPLAY/CODES Phase 6 OPL Microprocessor L.E.D. Displays ALL REV E.D. Codes 1. Display Codes GAS only Ignition Attempt Failure GAS Models only Power 24 VAC is not Evident AT GAS ValveGAS/ELECTRIC only BURNER/OVEN Open HI-LIMIT Circuit Computer Logic and Wiring Diagram No Display Condition Blower motor does not operate, drive motor runs No Heat Drive and Blower Motors Run Steam Models No Heat Drive and Blower Motors Run Gas Models Door Condition Motor Plate High and LOW Voltage Technical Information Information on the Data Label Data Label How to Use a Manometer Using a Manometer ML-170 Tool List ADC 450429 1- 02/18/00-25