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ADC AD-464, Руководство по обслуживанию

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29

F.  BLOWER (Squirrel Cage Fan) ELECTRICAL COMPONENTS

1. Blower (Squirrel Cage Fan) Controls and Overloads

a) Thermal Magnetic Starter (TMS) Description

The thermal magnetic starter (TMS) is used as a safety device to manually disconnect the motor, thereby
protecting the motor from being damaged in a locked rotor condition.  The overload has a dial setting on
the face of the device.  To set the overload, refer to your specific electrical diagram.  The overload is
specifically designed for motor applications.  It has a current curve built into it so the initial high current
draw by the motor will not trip the overload.  On the face of the overload there are two (2) push buttons,
a "START" (Black or Tan-1) and a "STOP" (Red-0).  The overload 

must be

 in the "START" mode for the

motor to run.

b) Thermal Magnetic Starter (TMS) Replacement

1) Discontinue electrical service to the dryer.

2) Mark L1, L2, L3 and T1, T2, T3 on the wires to the thermal magnetic starter (TMS) for correct

reinstallation.

3) Set the amp (amphere) rating on the TMS according to the electrical schematic supplied with your

dryer.

4) To remove the thermal magnetic starter, pull the tab on the bottom of the TMS, and lift upward.

5) To install new thermal magnetic starter (TMS), reverse 

Step # 4 thru Step #2

.

6) Reestablish electrical service to the dryer.

Содержание AD-464

Страница 1: ...ADCPartNo 450186 020399DMG abe American Dryer Corporation 88 Currant Road Fall River MA02720 4781 Telephone 508 678 9000 Fax 508 678 9447 e mail techsupport amdry com AD 464 Service Manual...

Страница 2: ...ed in a prominentlocationnearthedryer American Dryer Corporation products embody advanced concepts in engineering design and safety If this product is properly maintained it will provide many years of...

Страница 3: ...DBESUPERVISEDIFNEARDRYERSINOPERATION DRYERSSHOULDNEVERBELEFTUNATTENDEDWHILEINOPERATION CAUTION FOR YOUR SAFETY DONOTDRYMOPHEADSINTHEDRYER DONOTUSEDRYERINTHEPRESENCEOFDRYCLEANINGFUMES WARNING UNDER NO...

Страница 4: ...n the equipment and or specified in the installation and operator s manual included with the dryer Dryers must not be installed or stored in an area where it will be exposed to water or weather The wi...

Страница 5: ...upport and Drive System 14 B MainAirBlower HeatReclaimerSystem 16 C Compressed Air System 18 D Safety Devices 22 E Blower Squirrel Cage Fan Motor Assembly 24 F Blower Squirrel Cage Fan Electrical Comp...

Страница 6: ...PRINKLER SYSTEM 81 A SprinklerSystemDescription 81 SECTION IX AIR JET SYSTEM 85 A Air Jet System 85 SECTION X STACK VALVEASSEMBLY 86 A PneumaticValve 86 SECTION XI PENDANTASSEMBLY 91 A PendantAssembly...

Страница 7: ...SMELL GAS a DO NOT try to light any appliance b DO NOT touch any electrical switch c DO NOT use any phone in your building d Clear the room building or area of ALL occupants e IMMEDIATELY call your g...

Страница 8: ...EST EDITION NOTE Failure to do so willVOIDTHEWARRANTY 9 UNDER NO CIRCUMSTANCES should the dryer door switches lint drawer switch or heat safety circuit ever be disabled WARNING PERSONALINJURYor FIRE C...

Страница 9: ...TENANCE IN THE DRYER NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hoursperday SUGGESTED CLEANING SCHEDULE EVERY THIRD or FOURTH LO...

Страница 10: ...tioningsupplyhouse Inspect and remove any lint accumulation in customer furnished exhaust duct work system and from the dryers internal exhaust ducting NOTE THEACCUMULATION OFLINT IN THE EXHAUST DUCTW...

Страница 11: ...ll plug and add oil Use petroleum based 10 150 SSU misting oil Replace the fill plug NOTE LUBRICATOR SHOULD BE SETAT 1 DROP PER CYCLE NOTE REGULATOR PRESSURE IS TO BE SETAT 80 PSI Apply high temperatu...

Страница 12: ...NTS 7 DAYS AFTER INSTALLATION and EVERY 6 MONTHS THEREAFTER Inspect bolts nuts screws bearing set screws nonpermanent gas connections i e unions shut off valves orifices and grounding connections Fan...

Страница 13: ...LOAD FRONT TILT 15 UNLOADING HEIGHT FROM FLOOR 43 3 4 111 12 cm LOADING HEIGHT FROM FLOOR 65 5 8 166 69 cm DOOR OPENING 53 1 4 x 49 135 26 cm x 124 46 cm BASKET DIAMETER 69 1 8 175 58 cm BASKET DEPTH...

Страница 14: ...OM FLOOR 43 3 4 111 12 cm LOADING HEIGHT FROM FLOOR 65 5 8 166 69 cm DOOR OPENING 53 1 4 x 49 135 26 cm x 124 46 cm BASKET DIAMETER 69 1 8 175 58 cm BASKET DEPTH 80 5 16 203 99 cm BASKET VOLUME 175 cu...

Страница 15: ...PRINKLER SERVICE Dryer Nameplate 1 2 3 5 5 Contact factory for information not listed Minimum wire size is 16 AWG Stranded Type Wire for individual lengths less than 100 feet ADS 464 STEAM ELECTRICAL...

Страница 16: ...hen the dryer is operating it draws in room air heats it passes this air through the basket tumbler and exhausts it out of the building Therefore the room air must be continually replenished from the...

Страница 17: ...DITION as well as local codes and ordinances and must be done by a qualified technician NOTE Undersizedgaspipingwillresultinignitionproblemsandslowdryingandcancreateasafety hazard The dryer must be co...

Страница 18: ...letely welded assembly so the perforated panels are not removable 2 Tumbler Support System The tumbler sits on four 4 11 inch diameter heavy duty rubber roller wheels which supports and drives the tum...

Страница 19: ...the gear reducer turnbuckle support The oil in each gear reducer must be replaced every six 6 months by 1 4 liters of I S O viscosity Grade 460 gear oil 4 Servicing the Drive System a Removing a Driv...

Страница 20: ...HEAT RECLAIMER SYSTEM The fan which moves the exhaust air through the dryer is a 22 inch diameter squirrel cage fan that is driven at 1 100 rpm by a 25 HP motor This fan moves a maximum of 13 000 cfm...

Страница 21: ...wn of the load HEAT RECLAIMER SETTINGS Z 1 5 8 Y Z X Y HR Inches Reclaimed 1 1 8 1 2 7 46 1 1 4 2 5 8 1 15 67 2 5 8 3 1 8 1 1 2 25 37 4 1 4 3 5 8 2 34 32 5 3 4 4 1 8 2 1 2 43 28 7 1 4 4 5 8 3 50 74 8...

Страница 22: ...r assembly and pneumatic control panel 1 Air Pistons The pistons are actuated by solenoid and flow control valves that are under computer control The pneumatic pistons are used to Tilt the dryer for l...

Страница 23: ...ving regulator is designed to automatically relieve overpressure in the secondary side of the regulator NOTE THIS SELF RELIEVING FEATURE IS NOT DESIGNED TO BLEED THE DOWN STREAMPRESSURE Dryer must be...

Страница 24: ...either be supplied internally tapped off the 80 PSI air supply connected to port no 1 through holes in the body of the solenoid valve or it can be supplied externally through the 1 8 inch F P T conne...

Страница 25: ...d 80 PSI of air is supplied to the bottom port of the piston The piston rod will extend and the door will open No voltage is applied to S2 the coil of the valve that controls the air supply to the doo...

Страница 26: ...e dryer is equipped with numerous safety devices to ensure that the dryer operates safely The chart on the following page page 23 lists each device with its location function computer display message...

Страница 27: ...console Ensures that the heat reclaimer is either opened or closed Input L E D 13 of the PLC is off NONE Heat Console Door Access Door Switch Inside heat console Ensures that access doors are closed...

Страница 28: ...motor 2 Blower Squirrel Cage Fan Motor Component Replacement a Blower Motor Replacement 1 Discontinue electrical service to the dryer 2 Remove the belt guard 3 Mark and identify the wires that will b...

Страница 29: ...86 PULLEY REMOVAL 15 Tighten secure the set screws into the bushing 16 Insert the bolts into the large holes on the bushing and thread them into the motor pulley 17 Tighten the bolts evenly for motor...

Страница 30: ...lts securing the shrouded pillow block bearings from the blower shaft mount 11 Remove the complete blower shaft assembly with the shrouded pillow block bearings from the dryer 12 To remove the shroude...

Страница 31: ...es and tighten evenly for correct pulley installation 17 Reposition the blower motor to its original position a Tighten hand tight only the bolts into the motor and the motor base b Slide the blower m...

Страница 32: ...se a Ease off on the tension bolt 4 Slide the blower motor forward 5 Remove and replace V belts NOTE For proper belt replacement the V belts should be replaced in matched sets both belts 6 Tighten sec...

Страница 33: ...he initial high current draw by the motor will not trip the overload On the face of the overload there are two 2 push buttons a START Black or Tan 1 and a STOP Red 0 The overload must be in the START...

Страница 34: ...w and the other style has a clip In both styles disassembly and assembly is recommended with the thermal magnetic starter TMS in the STOP position a To remove the style that has the screw from the TMS...

Страница 35: ...ALL four 4 sets of drive wheels work together to rotate spin the tumbler basket Each motor is connected to the tumbler basket drive shaft by two 2 A type V belts driving a shaft mounted 5 6 to 1 rati...

Страница 36: ...sconnect this plug and route through the hole located on the right side of the front panel The rear panel controls disconnect plug is located behind the rear panel controls Disconnect this plug and fe...

Страница 37: ...Remove the taper lock bushing and motor pulley a Remove the bolts securing the taper bushing b Insert the bolts into the threaded holes and tighten the bolts evenly for pulley removal c Loosen the se...

Страница 38: ...replaced in matched sets both belts 4 Tighten the turnbuckle IMPORTANT DO NOT OVERTIGHTEN V BELTS 5 Reestablish electrical service to the dryer d Taper Lock Bushing and Drive Motor Pulley Replacement...

Страница 39: ...r 2 Follow Step 2 thru Step 17 of the Tumbler Basket Drive Wheel Replacement instructions on page 32 and page 33 3 Carefully file the score marks on the drive shaft from the set screws and lightly san...

Страница 40: ...ghten evenly to remove the taper lock bushing from the gear speed reducer 6 Repeat Step 5 to remove the other taper lock bushing 7 Slide the drive shaft through the hole in the frame of the tumbler se...

Страница 41: ...ng for security of parts and proper alignment 21 Reestablish electrical service to the dryer g Retaining Wheel Replacement 1 Discontinue electrical service to the dryer 2 Remove the front or the rear...

Страница 42: ...roper adjustment has been achieved 3 Discontinue electrical service from the dryer 4 Replace the front or the rear loading door panels 5 Reestablish electrical service to the dryer i Drive Shaft Repla...

Страница 43: ...AC when the dryer is active When the rotational sensor is off the is an approximate 120 VAC voltage drop WARNING UNDER NO CIRCUMSTANCES SHOULD THE OUTPUT OF THE ROTATIONAL SENSOR BE GROUNDED DAMAGE WI...

Страница 44: ...nt Jog basket tumbler for 10 seconds Time the rotational sensor the time is measured from the last time the target tapered rib goes by the rotational sensor and the indicator light on the sensor goes...

Страница 45: ...RTD probes are located under the top cover a Intake Temperature Probe Sprinkler Temperature Probe Replacement 1 Discontinue electrical service to the dryer 2 Remove the ten 10 1 4 20 x 1 2 TEK screws...

Страница 46: ...igh current draw by the motor will not trip the overload On the face of the overload there are two 2 push buttons a START Black or Tan 1 and a STOP Red 0 The overload must be in the START mode for the...

Страница 47: ...s a screw and the other style has a clip In both styles disassembly and assembly is recommended with the thermal magnetic starter TMS in the STOP position a To remove the style that has the screw from...

Страница 48: ...e tripped due to excessively high temperature in the dryer If the high limit trips the XBT unit will display HI TEMP FAULT Input 0 4 monitors the gas pressure If a high gas pressure or a low gas press...

Страница 49: ...mity switch used to sense that the exhaust probe access door is closed If the door is open the dryer will shut down and a DOOR OPEN message will be displayed via the TSX17 Programmable Logic Controlle...

Страница 50: ...ut 6 and Output 7 are used to control the Main Load Door Output 6 controls the load door opens solenoid S1 and Output 7 controls the load door close solenoid S2 Output 8 and Output 9 are used to contr...

Страница 51: ...ent in the loop is equal to 022222 mA F 32 4 mA measurement in celsius centigrade is 04 mA C 4 mA Example 200 F 32 168 x 022222 3 73 mA 4 mA 7 73 mA 93 C x 04 mA 3 72 4 mA 7 72 mA The power source for...

Страница 52: ...uss terminator from the TSX17 PLC 7 Insert a standard flat head screwdriver into the red or orange tab and push down At the same time lift upward on the TSX17 PLC This will remove the PLC from the rai...

Страница 53: ...located directly above the buss terminator on the TSX17 PLC Programmable Logic Controller by sliding the cover in an upward direction NOTE Thelithiumbatteryisattachedtothecoverandpluggedintothemodule...

Страница 54: ...dryer NOTE For steam models that do not have the sprinkler option skip Step 4 a Under Voltage Disconnect Replacement 1 Discontinue electrical service to the dryer 2 Mark and remove wires from L1 L2 an...

Страница 55: ...annel 3 is used to monitor intake temperature for Gas Models Only The remaining channels are spares that can be used for future expansion a Hi Limit Controller Replacement 1 Discontinue electrical ser...

Страница 56: ...that the burner fan air switch has closed The pilot gas flame is then established the flame rod which sits in this pilot flame comes in contact with the flame and signals the BCM The main motorized ga...

Страница 57: ...cycle after a burner fan air switch or main flame failure but only if the failure occurs more than 35 seconds after ignition If this switch is OFF the burner will lock out at once Switch 2 Intermitte...

Страница 58: ...Inductance is detected on sensor wires Wiring fault on terminals 3 4 and 5 An internal controller failure Air switch closed before start up 5 Flame Signal L E D is lit when The flame rod is in contact...

Страница 59: ...plug is energized when the pilot solenoid slave opens igniting the pilot flame The flame rod sits in the pilot flame and sends a 3 volt DC to 11 volt DC signal to the burner controller module when it...

Страница 60: ...water column W C because of slight variances in spring tension characteristics range settings and markings are nominal 2 Burner Fan and Motor The combustion air is produced by a 6 1 4 squirrel cage fa...

Страница 61: ...ise CW for more gas and counterclockwise CCW for less gas 2 Adjustable Pilot Gas Cock Remove the cap and turn the slotted adjustment screw clockwise WC for less gas and counterclockwise CCW for more g...

Страница 62: ...wise CW for less gas and counterclockwise CCW for more gas Retighten the pan head screw when correct gas flow is achieved There is a switch located on the back of the top gas valve that verifies valve...

Страница 63: ...from the BCM terminal S1 The flame lets the current flow from the flame rod to ground which is then converted to 3 to 11 volts DC by the BCM The flame signal L E D on the BCM lights up The spark plug...

Страница 64: ...ot line shut off open Push in the test and reset button on the cover of the burner controller module BCM This will freeze the ignition sequence when the pilot flame ignites This allows time to examine...

Страница 65: ...r Switch The dryer uses a burner air switch on its burner components The differential air pressure is measured by this air switch which is located next to the burner fan motor If the combustion air is...

Страница 66: ...ness from the motor 8 Remove the four 4 3 8 16 x 3 4 hex head bolts securing the motor to the combustion air blower housing 9 To install new burner fan motor reverse Step 8 thru Step 2 10 Reestablish...

Страница 67: ...to the dryer b Mark L1 L2 L3 and T1 T2 T3 on the wires to the TMS for correct replacements c Set the amp amphere rating on the TMS according to the electrical schematic supplied with the dryer d To re...

Страница 68: ...istor Metal Oxide Varistor MOV Replacement 1 Discontinue electrical service to the dryer 2 Loosen the screws marked A1 and A2 on the contactor 3 Verify that no additional wires were inadvertently remo...

Страница 69: ...goes through the steam coils heating the air During cool down or if the dryer has reached its set point temperature the damper closes eliminating air from going through the steam coils The heat reclai...

Страница 70: ...66...

Страница 71: ...laimer base pin 12 Remove the heat reclaimer base pin from the heat reclaimer piston 13 Remove the heat reclaimer piston from the eye bracket 14 To install new heat reclaimer piston reverse Step 13 th...

Страница 72: ...be drawn across the steam coils On the cool down cycle the inlet air damper closes and the cool down damper opens This draws fresh air into the tumbler basket section exhausting ALL of the 13 000 cfm...

Страница 73: ...to the doors The cable wire rope is attached to the doors with four 4 cable clamp plates The cable clamp plate is secured to the clamp plate with a 5 16 18 x 3 4 bolt and 5 16 lock washer a Door Pisto...

Страница 74: ...position prior to disassembly of any parts IMPORTANT FAILURE TO BLOCK THE BOTTOM LOAD DOOR SECURELYIN THE CLOSED POSITION MAYRESULT IN PERSONALINJURY 4 Loosen the turnbuckle so that the cable becomes...

Страница 75: ...e cable wire rope around the wire rope thimble G Feed the end of the cable wire rope through the wire rope clamp and tighten H Adjust the turnbuckle to the proper cable wire rope tension 8 To install...

Страница 76: ...Loosen and remove the cord grip cap 8 Remove the cord grip 9 To install the new load door closed switch reverse Step 8 thru Step 2 10 Mount the coil spring lever arm in the 1 o clock position NOTE Ve...

Страница 77: ...t 1 Discontinue electrical service to the dryer 2 Mark and identify the wires that will be removed for proper reinstallation 3 Remove the wires 4 To remove a contact block loosen and remove the mounti...

Страница 78: ...the lens 5 Twist out lens and remove bulb light 6 To install new bulb reverse Step 5 thru Step 2 7 Reestablish electrical service to the dryer i Tilt Switch Replacement 1 Discontinue electrical servic...

Страница 79: ...ment 1 Discontinue electrical service to the dryer 2 Remove the base panel from the left hand side of the dryer CAUTION DO NOT PLACE HANDS BETWEEN THE DRYER BASEAND THE TUMBLER Basket SECTION SERIOUS...

Страница 80: ...to close proximity of a magnetic field If either of the proximity switches are opened the entire circuit will be open The switch can be checked for failure using an ohm continuity meter power down th...

Страница 81: ...ventive maintenance and lint screen cleaning procedures 2 Set correct air pressure setting 3 For a quick check of the air pressure switch wiring perform the following Run a drying cycle Does the air p...

Страница 82: ...connector 3 Remove the 5 16 18 x 3 4 tap bolt as well as the 5 16 lock washer 4 Mark and identify the wires that will be removed for proper reinstallation 5 Remove the cord grip from the lint chamber...

Страница 83: ...he dryer is equipped with the optional sprinkler system The RTD probe operates as a resister that increases in resistance as temperature increases At 32 F 0 C the RTD probe reads 100 ohms 100 with the...

Страница 84: ...80 2 RTD Resistive Temperature Device Locations EXHAUST TEMPERATURE EXHAUST HI LIMIT INTAKE HI LIMIT SPRINKLER MAN4146 OVER BURNER HI LIMIT...

Страница 85: ...Thesprinkleraswellasthealarmwillremainonuntilthe amber coloredsprinkler resetbutton is pressed and the temperature in the tumbler basket falls below 700 F 371 11 C 1 Description Of Components a Resist...

Страница 86: ...e sprinkler digital temperature controller is a programmable microprocessor computer It is used to monitor temperature via a Resistive Temperature Device RTD NOTE Operating parameters are preset at th...

Страница 87: ...for proper reinstallation 6 Remove wire s from terminal block 7 Loosen compression fitting s and remove defective probe s 8 To install new probe s reverse Step 7 thru Step 3 9 Reestablish electrical...

Страница 88: ...84...

Страница 89: ...er 2 Discontinue electrical service to the dryer 3 Remove the poly flow tubing from the brass tee and the brass cross 4 Remove the stainless steel air jet tubing from the pneumatic solenoid air jet va...

Страница 90: ...is used one 1 of the ports may be plugged with a plug port The 28 mm profile bar with 1 8 cylinder ports Blank Station is used as the mounting medium for the solenoid valves Two 2 ports are drilled t...

Страница 91: ...the plug 5 Carefully remove the coil mounting screw IMPORTANT TAKE NOTICE small components 6 Note the sequence of the plunger components i e return spring plunger etc 7 Install new coil making sure t...

Страница 92: ...Reestablish electrical service to the dryer 10 Reestablish air supply to the dryer 3 Tubing a Tubing Replacement 1 Discontinue air supply to the dryer 2 Discontinue electrical service to the dryer 3...

Страница 93: ...89 MAN4223...

Страница 94: ...revent both sets of tilting pistons from extending their rods at the same time When the front tilting piston rods are extended 80 PSI air is connected to the bottom piston ports while the top piston p...

Страница 95: ...is disabled due to the mechanical interlock with the pendant assembly This feature is used as a safety device to prevent both drive motors from being energized in opposite directions The EMERGENCY ST...

Страница 96: ...ADC450186 1 05 27 99 25 2 01 14 00 15...

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