ADC AD-464 - Manuals

Table of Contents SECTION ISAFETY PRECAUTIONS .................................................................................................................. 3 SECTION IIROUTINE MAINTENANCE ..............................................................................................................

3 SECTION I SAFETY PRECAUTIONS CAUTION: The dryer should never be left unattended while in operation. WARNING : For your safety, the information in this manual must be followed to minimize the risk of fire or explosion or to prevent property damage, personal injury, or loss of life. WARNING: The dry...

4 WARNING : DO NOT dry mop heads. Contamination by wax or flammable solvent will create a fire hazard. WARNING : DO NOT use heat for drying articles that contain plastic, foam, sponge rubber, or similarly textured rubberlike materials. Drying in a heated basket (tumbler) may damageplastics or rubber...

5 SECTION II ROUTINE MAINTENANCE A. CLEANING A schedule should be established for periodic inspection, cleaning, and removal of lint from various areas of the dryer, as well as throughout the duct work system. The frequency of cleaning can best be determined fromexperience at each location. Maximum ...

6 MONTHLY Empty the compressed air filter bowl. Clean any lint accumulation from the gas valve and burner area at the top of the dryer, the fan (impellor/blower) motor, and the fan (impellor) bearings located in the dryer base. EVERY 6 MONTHS STEAM MODELS - clean the steam coil fins. We suggest usin...

7 B. LUBRICATION MONTHLY Check compressed air filter bowl for water. Empty by pressing the rubber petcock to the side. Additionally,check lubricator bowl for oil. If empty, remove the fill plug and add oil. (Use petroleum based 10/150 SSUmisting oil.) Replace the fill plug. NOTE : LUBRICATOR SHOULD ...

9 SECTION III SPECIFICATIONS A. GAS MODELS (ADG-464) NOTE : ADC reserves the right to make changes in specifications at any time, without notice or obligation. * Gas pressure into the dryer cannot exceed 13" W.C. (water column). If the gas supply pressure is higher than 13" W.C., an external...

1 0 B. STEAM MODELS (ADS-464) NOTE : ADC reserves the right to make changes in specifications at any time, without notice or obligation. * Size of piping to dryer varies with installation conditions. Contact factory for assistance. MAX IM UM C APACI T Y ( D R Y W EI GHT ) 460 l bs . 209. 09 kg TO TA...

1 1 NOTE : ADC reserves the right to make changes in specifications at any time, without notice or obligation. C. ELECTRICAL SERVICE SPECIFICATIONS 1. Gas Models 2. Steam Models ADG-464 (G AS ) E LECTRICAL S ERVICE S PECIFICATIONS ( PER DRYER )* IMPORTANT : 208 VAC and 240 VAC ARE NOT THE SAME . Whe...

1 2 SECTION IV INSTALLATION REQUIREMENTS Installation should be performed by competent technicians in accordance with local and state codes. In the absence of these codes, installation must conform to applicable AMERICAN NATIONAL STANDARDS: National Fuel Gas Code ANSI Z223.1-LATEST EDITION and/or Na...

1 3 B. ELECTRICAL REQUIREMENTS and GAS REQUIREMENTS It is your responsibility to have ALL electrical connections made by a properly licensed and competent electrician to assure that the electrical installation is adequate and conforms with local and state regulations orcodes. In the absence of such ...

1 4 SECTION V COMPONENT DESCRIPTION/REPLACEMENT A. TUMBLER SUPPORT and DRIVE SYSTEM IMPORTANT : Always keep the tumbler (basket) section of the dryer in an upright position when moving it. 1. Tumbler The tumbler is made of five (5) 14 gauge stainless steel perforated panels, five (5) stainless steel...

1 5 3. Tumbler and Basket Drive System There are two (2) 5 HP tumbler drive motors. Each motor drives one of the 2-inch diameter tumbler driveshafts, and the motors spin simultaneously so that ALL four (4) sets drive wheels work together to spin the tumbler. Each motor is connected to the drive shaf...

1 6 B. MAIN AIR BLOWER/HEAT RECLAIMER SYSTEM The fan which moves the exhaust air through the dryer is a 22-inch diameter, squirrel cage fan that is driven at1,100 rpm by a 25 HP motor. This fan moves a maximum of 13,000 cfm air through the dryer.

1 7 The dryer is equipped with a pneumatically operated heat reclaimer damper, which when opened, will recirculateapproximately fifteen percent (15%) of the dryer’s exhaust air. The heat reclaimer dampener is closed until ignition of flame has been established. Then, the damper piston isactuated, op...

1 8 FILTER / REGULATOR The filter consists of a louver which causes acentrifugal spinning action to separate contaminants.A filter which mechanically separates contaminantsis also present. The filter bowl collects thecontaminants and a baffle prevents turbulence frompicking up contaminants at the bo...

1 9 b. Regulator Operation The adjustment knob simply acts upon a spring rest located on the spring and directly compresses thespring as it is adjusted. A non-rising low torque adjustment screw is used on this type of filter and regulator.The upper spring rest is located on top of the regulator spri...

2 2 D. SAFETY DEVICES The 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, and result of tripping.

2 5 5) Remove the bolts from the bushing. 6) Insert the bolts into the threaded holes. 7) Tighten the bolts evenly for motor pulley removal. 8) Mark the inside of the motors' shaft before removing the bushing. 9) Loosen the set screws in the bushing. 10) Remove the bushing. 11) Measure the mark on t...

2 6 b. Shrouded Pillow Block Bearing Replacement 1) Discontinue electrical service to the dryer. 2) Remove the belt guard. 3) Loosen the bolts securing the blower motor to the motor base. 4) Remove the V-belts from the motor pulley and the pulley on the blower shaft. CAUTION : THE BLOWER (Squirrel C...

2 9 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, therebyprotecting the motor from being damaged in...

3 1 G. TUMBLER (Basket) SYSTEM 1. Tumbler (Basket) Drive Description The tumbler (basket) is supported and driven by four (4) 11-inch diameter heavy duty rubber roller wheels.The rubber wheels are molded onto each of four (4) steel hubs. The steel hubs are fastened to the 2-inchdiameter tumbler driv...

3 4 14 Check that the motor pulley is properly aligned. 15) Secure the drive motor to the motor mount. 16) Tighten the turnbuckle. IMPORTANT: DO NOT OVERTIGHTEN TURNBUCKLE. 17) Rewire the new drive motor in the same sequence as the wiring that was removed in Step #2 . A wiring diagram is usually aff...

3 5 10) Insert bolts into the holes of the taper lock bushing and thread into the motor pulley, then tighten evenly . 11) Check that the motor pulley is properly aligned. 16) Reinstall the V-belts removed in Step #2 . 17) Tighten the turnbuckle. IMPORTANT: DO NOT OVERTIGHTEN TURNBUCKLE. 18) Reestabl...

3 6 CAUTION : Replacement gear (speed) reducers are shipped without oil. Add proper amount (1.4 liters) of recommended lubricant before operating. FAILURE TO OBSERVE THESE PRECAUTIONS WILL RESULT IN DAMAGE TO THE DRYER AND WILLVOID THE WARRANTY. CAUTION : TO MUCH OIL IN THE GEAR REDUCER WILL CAUSE O...

3 7 17) Reinstall V-belts and tighten the turnbuckle. IMPORTANT: DO NOT OVERTIGHTEN TURNBUCKLE. 18) Prior to operating the new gear (speed) reducer, fill with 1.4 liters of SAE 90 gear oil. 19) Mount the pillow block bearing on the mounting pads (using the bolts that were removed). IMPORTANT: DO NOT...

3 8 WARNING: ALL SERVICE and TROUBLESHOOTING SHOULD BE PREFORMED BY A QUALIFIED PROFESSIONAL or SERVICE AGENT. WARNING: WHILE MAKING ADJUSTMENTS, OBSERVE ALL SAFETY PRECAUTIONS DISPLAYED ON THE DRYER or SPECIFIED IN THISMANUAL. 6) Reestablish electrical service to the dryer. Proceed to Retaining Whe...

3 9 H. ROTATIONAL SENSOR ASSEMBLY The rotational sensor is a self-contained, motion detector proximity sensor, designed to detect a predeterminedstopped drum (basket/tumbler) condition. The rotational sensor is used as a safety device, once the drum hasstopped rotating for more than 12-seconds. Afte...

4 2 J. TUMBLER (Basket) ELECTRICAL COMPONENTS 1. Drive Motor 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, therebyprotecting the motor from being damaged in a locked rotor condition...

4 4 SECTION VI PLC (PROGRAMMABLE LOGIC CONTROLLER) SYSTEM A. PLC (Programmable Logic Controller) DESCRIPTION The heart of the dryer is a TSX17 PLC (Programmable Logic Controller) with twenty-one (21) inputs and twelve(12) outputs. The TSX17 PLC also uses two (2) expansion modules, a relay output mod...

4 5 • Input 0,9 is used to sense if the burner doors are closed. This is accomplished through DS4A and DS5A (Door Switch 4, A and Door Switch 5 , A) contact sets. If a drying cycle is attempted, the XBTunit will display "DOOR OPEN." • Input 0,10 is used to monitor a stopped tumbler (basket) ...

4 7 • Output 1,4 is the blower (fan) Air Jet which is used to clean lint off of the fan (blower). At the end of a cycle, the Air Jet turns on for 30-seconds. • Output 1,5 is the End of Cycle light. Once the dryer has reached the end of a cycle, the output turns on, illuminating the End of Cycle ligh...

4 8 B. PLC (Programmable Logic Controller) COMPONENT REPLACEMENT 1. TSX17 PLC (Programmable Logic Controller) Assembly The TSX17 Programmable Logic Controller (PLC) is made up of three (3) components. The first and maincomponent is the TSX17 PLC, then the Relay Outputs, and the Analog Inputs. The TS...

4 9 3. Lithium Battery a . Lithium Battery Replacement 1) Discontinue electrical service to the dryer. 2) Remove the battery cover which is located directly above the buss terminator on the TSX17 PLC (Programmable Logic Controller) by sliding the cover in an upward direction. NOTE : The lithium batt...

5 0 4. Under Voltage Disconnect The dryer uses a 110 VAC under voltage disconnect. This 110 VAC is supplied from the sprinkler circuit.The sprinkler circuit is part of the safety circuit of the dryer. If the sprinkler circuit is in an alarm condition,the 110 VAC supply to the under voltage disconnec...

5 2 6. Gas Burner and Ignition System The dryer's gas burner system operates on a on or off gas rate sequences to accurately control the tumbler’s(basket's) drying temperature. Maximum firing rate is 2.8 million btu/hr. Upon a call from heat, the dryer computer sends a 120 volt signal to the burner ...

5 3 a . Major Burner Components 1) Burner Controller Module (BCM) The burner controller module (BCM) provides effective burner flame safeguard control throughadjustable purge and trial-for-ignition timing. The BCM insures that ALL dryer safety switch circuits are closed, delays ignition to allow the...

5 4 b. L.E.D. (Light Emitting Diode) and Neon Displays of the BCM (Burner Controller Module) 1) Operating Interlock - L.E.D. is lit when; ALL safety interlock switches are closed, applying a 110 VAC signal to terminal #7 of the burner controller module (BCM). 2) Operating Interlock - L.E.D. is not l...

5 5 8) Burner Fan Air Switch Status Indicator - Neon is not lit; • Air switch is not closed after start-up of burner fan.• Door interlocks are open.• A Combustion burner screen is clogged.• A door on the dryer is open. 9) Test/Reset Button When this button is pushed in, the burner controller module ...

5 6 1) Burner Fan Air Switch The differential in air pressure is measured by the burner fan air switch, which is located next to theburner fan motor. If the combustion air is inadequate, this switch will prevent ignition. The setting ofthis switch is adjustable, and it should be set at approximately...

5 8 Top Motorized Gas Valve The valve sets the gas rate of 2,800,000 btu/hr (705,290 kcal/hr). To achieve this rate, the gas pressure must be set for 2.5-inches (63.5 mm) water column for natural gas and 1.25-inches (31.8 mm) water column for L.P. (liquid propane) gas. To adjust. loosen the pan head...

5 9 c) The burner controller module (BCM) checks that ALL of the dryer’s safety circuits are closed (terminal #7 of the [BCM]). If this is the case, then the green “operating interlocks” L.E.D. (lightemitting diode) on the BCM will light. If a safety switch is open, the green L.E.D. will not light, ...

6 3 (3) For replacement of new 6-1/4" squirrel cage fan, reverse Step #4 thru Step #2 of the Burner Fan Motor Replacement instructions on the previous page ( page 62 ). (4) Reestablish electrical service to the dryer. 3) Burner Fan Electrical Components a) Burner Fan Thermal Magnetic Starter (TM...

6 4 NOTE : Adjust one switch at a time. 3) Adjust the burner door switch to the outside of the dryer andtighten the 1/4-20 x 3/4" hexhead machine bolts. 4) Close the burner doors and verify if PLC Input #9 is on. IfPLC Input #9 is off, adjust theother burner door switch. (5) To install the new a...

7 0 b. Cable (Wire Rope) Replacement 1) Discontinue electrical service to the dryer. 2) Discontinue the air supply to the dryer. 3) Block the bottom load door in the closed position prior to disassembly of any parts. IMPORTANT: FAILURE TO BLOCK THE BOTTOM LOAD DOOR SECURELY IN THE CLOSED POSITION MA...

7 1 NOTES : For proper cable (wire rope) routing, starting at the piston; A. Replace the cable (wire rope) thimble and wire rope clamp to one side of the cable. B. Secure the cable (wire rope) to the piston mount with the 3/8-16 x 1" bolt, 3/8" fender washer, 3/8" lock washer, and 3/8-16...

7 3 e . Load Door Closed Switch Adjustment 1) Discontinue electrical service to the dryer. 2) To adjust the coil spring lever arm, hold the arm with a #10 metric (10 mm) wrench and loosen the nut. 3) Place the coil spring lever arm in the 1 o'clock position. IMPORTANT: Verify that the load door clos...

7 4 5) With finger tip, gently push and turn bulb to unlock. NOTE : A piece of tubing with an inside diameter the size of the bulb may assist in bulb removal and replacement. 6) To install new bulb, reverse Step #5 thru Step #2 . (Refer to previous page [ page 73 ].) 7) Reestablish electrical servic...

7 5 11) Place pivot arm in the 1 o'clock position for the front tilt switch and in the 11 o'clock position for the rear tilt switch. Verify that the body orientation and head orientation are correct. Verify that the tilt switch arm is not in the vertical position or damage will result. 12) Holding t...

7 6 7) Pull the proximity switch out of the bushing. 8) Replace the proximity switch. 9) Gently reinstall the rubber bushing removed in Step #6 . 11) Adjust the distance between the proximity switch and the magnetto 3/8". 12) Tighten cap on the cord grip. 13) Reverse Step #4 thru Step #2 . 10) R...

7 9 B. RESISTIVE TEMPERATURE DEVICE (RTD) 1. RTD (Resistive Temperature Device) The gas dryer utilizes five (5) Resistive Temperature Devices (RTD's); • One (1) RTD probe is used to control the drying temperature in the tumbler (basket). • One (1) RTD probe is used to detect an over temperature cond...

8 1 SECTION VIII SPRINKLER SYSTEM A. SPRINKLER SYSTEM DESCRIPTION The sprinkler circuit on the dryer requires a dedicated single-phase (1ø) supply from the dryers' voltage. Thesprinkler hi-limit temperature is 700º F (371.11º C). In the event of a hi-limit condition, contact #7 and contact #8on the ...

8 2 d. Sprinkler Digital Temperature Controller The sprinkler digital temperature controller is a programmable microprocessor (computer). It is used tomonitor temperature via a Resistive Temperature Device (RTD). NOTE : Operating parameters are preset at the factory and should not require any adjust...

8 3 2. Sprinkler System Component Replacement a . Resistive Temperature Device (RTD) Replacement The sprinkler digital temperature controller is a programmable microprocessor (computer). It is used tomonitor temperature via a Resistive Temperature Device (RTD). NOTE : For RTD (Resistive Temperature ...

8 5 SECTION IX AIR JET SYSTEM A. AIR JET SYSTEM The dryer utilizes an air jet system so that at the end of each drying cycle 80 PSI of compressed air is blownacross the blower squirrel cage fan to remove any lint build up that occurred during the drying cycle. 1. Air Jet Valve a . Air Jet Valve Repl...

8 6 SECTION X STACK VALVE ASSEMBLY A. PNEUMATIC VALVE The stack valve assembly consists of two (2) styles of pneumatic solenoids; • The first type of solenoid is a 2-position/4-way/4-port single operator with a spring return. This valve has a120 VAC coil and spring return. With no power to the coil,...

8 7 1. Solenoid Coil a . Coil Replacement 1) Discontinue air supply to the dryer. 2) Discontinue electrical service to the dryer. 3) For models with a sprinkler system, discontinue water supply to the dryers' sprinkler system. 4) Loosen coil plug screw and remove the plug. 5) Carefully remove the co...

9 0 4. Internal Pilot and External Pilot Air Supply On two-way tilt dryers, a pneumatic safety circuit is incorporated to prevent both front and rear tilting pistonsfrom extending their rods at the same time. When 120 volts is supplied to the “S5” side of the front tiltingpiston solenoid valve coil,...

9 1 SECTION XI PENDANT ASSEMBLY A. PENDANT ASSEMBLY DESCRIPTION The pendant assembly is used on both the gas and steam model dryer. Within the pendant assembly there is athree (3) position selection switch used to tilt the dryer in the load tilted, unload tilted, or level position. When theload tilt...