Technical Bulletin No. 187 - American Dryer Corporation
Contents
1. ADC Change Main Door P N R H Front Panel P N Model Date Black Stainless Painted Stainless AD 24 5 17 07 822661 822675 822662 N A AD 285 5 17 07 822661 822675 822667 822666 AD 50V 6 18 07 822661 822675 822669 822671 D50 6 18 07 822661 822675 822669 822671 Notes Existing dryers in the field which have Related models Specify color when ordering N A Not available at time of printing Front panels noted are right hand for left hand contact ADC factory for availability k the 31 1 4 CRS main door with plastic latch can be converted to magnet with the use of kit ADC P N 884339 The kit includes the necessary parts magnets brackets and hardware and instructions to convert and pricing one door Griplock Bearings Being Phased Out In the past few months ADC has been phasing out the use of the griplock bearing in production and returned to using the two setscrew type bearing arrangement with setscrews secured with adhesive Loctite The setscrew bearings are totally interchangeable with the previously used griplock bearings However setscrew adhesive is required to be used on the setscrews and is included with each bearing with instructions sold as a parts order Current bearing usage as follows DESCRIPTION ADC PART NUMBERS 1 3 8 Pillow Block Bearing Without magnet With magnet REPLACED BY 100202 100259 100254 883737 100222 100259 883710 Used as tumbler bearing for models2. E Mail ping out and loosening When servicing units in the field made prior to this change either option can be used However it s Name suggested that the rivets be used in place of the two screws as additional assurance that the assembly will not come loose Company Position LOOK TO ADC WHEN YOU RE LOOKING TO OUTFIT YOUR FACILITY WITH E Mail COMMERCIAL DRYING PRODUCTS Mid Line Gas Valve Change The 36C type gas valves used in our past and current mid production line have been discontinued by the vendor and re placed by a 36H type gas valve The pre vious type valve can be replaced by the current H valve However some modifi cations may be required The gas valves in question are ADC P N 128928 NOW OBSOLETE 1 2 x 1 2 36C 24v gas valve ADC P N 140026 NOW OBSOLETE 3 4 x 3 4 36C 24v gas valve ADC P N 128099 3 4 x 3 4 36H 24v gas valve CURRENT Both C valves are obsolete and re placed by the H type gas valve as of June 19 2007 This includes both production and parts orders for gas valves and related subassemblies i e burner assemblies For parts orders any order placed for the 128928 or 140026 C type gas valves will automatically be cross referenced and sup plied with the appropriate H valve Each H valve kit will include necessary instruc tions wire jumpers and bushings for re placement of the 12
3. 8928 valve which had a 1 2 inlet and outlet necessary for the change over The current H valve P N 128099 when sold as a parts order is kit number for natu ral gas P N 887159 and for L P gas P N 887155 IMPORTANT The L P kits for the 36C and 36H valves are totally different and not interchangeable Gas models past and present affected by this change AD 81 82 90 95 96 100 115 120 130 UDG 80 81 and related models Mid Range Tumbler Tie Rod Nuts Loctite As a precautionary measure to avoid the tumbler tie rod nuts from loosening Loctite 262 thread lock is now used to secure the nuts in place This change was imple mented into production on July 12 2007 and affects models AD 115 AD 120 AD 170 and related models Main Line Dryer CRS Main Door Change During the second quarter of 2007 ADC began phasing in the use of a new CRS main door where the plastic friction door latch ADC P N 170330 has been elimi nated and replaced with a two piece mag net type arrangement As the result of this change the front pan els differ as the magnets used in this new arrangement are actually affixed to the front panel assembly The main door nor front panels are inter changeable with existing units in the field which have the latch type arrangement Models changed change date new main door part number and front panel part num bers are noted below
4. Technical Bulletin Phase 8 Computer System Changes Major firmware enhancements have been made to both the Phase 8 3 3 single pocket board ADC P N 137279 and the Phase 8 4 2 dual pocket board ADC P N 137274 One major change is that the programming procedure is easier where both coin and non coin OPL now have indi American Dryer Corp 88 Currant Road Fall River MA 02720 4781 Telephone 508 678 9000 Fax 508 678 9447 vidual menu paths The Phase 8 3 3 board has changed from Rev 1 8 to 2 2 and the Phase 8 4 2 board from Rev 1 9 to 2 2 The board part numbers have not changed being that neither boards hardware has not changed in any way and no modifications are required when replacing boards in the field How ever due to the program enhancements and program procedure changes boards shipped as a parts order will include a Rev 2 2 User s manual This change was implemented in production on June 11 2007 and includes an updated Phase 8 user s manual Rev 2 2 ADC P N 113604 SL2929 SL31 and SL3131 60 Hz Only Gas Connection In an effort to ensure that the correct pipe size is connected to the models SL2929 SL31 and SL3131 and other related models the point of gas connection to each pocket has been increased from 3 8 N P T to 1 2 N P T Even though it s noted in the installation manual included with each dryer that the minimum connection is 1 2 separate feed from main header to each p
5. ail Registration Form American Dryer Corporation currently distributes the Technical Bulletin updates via e mail This technology enables us to send updates to specific individuals who wish to receive the Technical Bulletin Please feel free to submit as many names for our e mail file as you wish We are asking all of our customers with e mailing capabilities to fill out the following form with the e mail addresses of the individual staff members who should receive the Technical Bulletin After filling out the form below please fax the form back to American Dryer Corpora tion at 508 678 9447 or e mail the following information to techregis amdry com Nature of Change The mounting hard ware used to secure the Phase 8 moisture assembly ADC P N 819365 in place has changed Rather than being held in place with three P N 150331 8 18 x 1 2 T20 Torx head screws it s now held in place with only Name Each Technical Bulletin will be sent as an e mail attachment Acrobat Reader must be installed on your computer in order to view and print the file Acrobat reader can be downloaded for free from our website http www amdry com service techbulletins index asp one of these screws illus no 3 and two P N 184077 5 32 x 0 55 stainless steel Company button head rivet illus no 7 Date Implemented April 25 2007 po Position Comments The use of the rivets will eliminate the possibility of the screws strip
6. ocket or 3 4 when top and bottom pockets are T together many were being connected with only a 3 8 line which will cause ignition problems and or poor drying performance This change was put into affect on May 17 2007 for the SL31 L3131 and June 5 2007 for the SL2929 and ONLY affects the 60 Hz versions of these models IMPORTANT If top and bottom tumbler connections are connected or T together the supply from the header must be increased to a minimum of 3 4 19 05 mm SL31 SL3131 Motor Change Phase 8 OPL Moisture Sensor Mounting Hardware Change SL50 and SL75 Steam Data Label Relocated 2 SL50 and SL75 Tumbler Option E Mail Registration Form Mid Line Gas Valve Change Mid Range Tumbler Tie Rod Nuts Loctite Main Line Dryer CRS Main Door Change Griplock Bearings Being Phased Out INSIDE Parts Price List Our current Parts Price List ADC P N 451000 has an April 1 2007 effective date and is available to be downloaded for free from our website www amdry com As with previous parts price lists it s also available on our ADC Publications CD ADC P N 882206 Printed copies of the January 2007 Parts Price List is available through nor mal parts order channels at a net price of 12 00 each The Parts Price List is now only updated twice a year June and December IMPORTANT Prices are subject to change without notice The prices on the invoice may not necessarily be
7. parately The two motors are not interchangeable unless modifications are made To use the new 181130 motor on models manufactured with the previously used 181121 motor a special motor conversion harness ADC P N 819854 must be used All parts orders placed for the 181121 motor will be substituted with the applicable 60 Hz or 50 Hz 181130 motor with sheave and conversion harness ADC P N 819854 Old motor 181121 sold as 887030 50 Hz with sheave 887151 motor w 50 Hz sheave and conversion harness replaced by 884288 60 Hz with sheave 887150 motor w 60 Hz sheave and conversion harness Phase 8 OPL Moisture Sensor Mounting Hardware Change SL50 and SL75 Steam Data Label Relocated For the steam version of the SL50 and SL75 unlike all other Solaris models the model serial number data label is no longer located at the upper left hand corner of the rear support panel The data label for the above noted steam models is now located beneath the trust bearing and can be viewed from the rear of the dryer through the louver openings in the back panel The data label was relocated in an effort to avoid the possibility of the data label being damaged by the heat from the steam coil SL50 and SL75 Tumbler Option Just a reminder that the SL50 and SL75 come standard with a galvanized tum bler The stainless steel tumbler is now a cost option Contact the ADC sales department for availability and pricing E M
8. the same as the prices shown on the Parts Price List Formal written quotes will be valid for thirty 80 days When submitting parts orders in which a formal quote was issued the quotation number must be provided at the time or the quote will not be valid Verbal quotes are not binding and will not be honored For more information visit our website at www amdry com or email techsupport amdry com SL31 L3131Motor Change As of May 9 2007 production of the models SL31 SL3131 and related models are manufactured with a different motor The ADC P N 181121 drive motor used in these models has changed to ADC P N 181130 The only difference between the two motors is the harness connector The new motor has a 12 pin connector that will alleviate the issue of loose connec tions or the pins popping out as sometimes found with the previously used motor The motor harness on the dryer now differs as well CHANGE FROM CHANGE TO Qty P N Description Qty P N Description 1 181121 1 4 hp 12 Pin Rev Motor SL31 1 181130 1 4 hp 12 Pin Rev Motor SL31 PSFs or assembly numbers affected by this change Assembly 819425 SL31 SL3131 Front Access ADJ Motor Mount Assembly Complete 60 Hz 819519 SL31 SL3131 Front Access ADJ Motor Mount Assembly Complete 50 Hz lf purchased as a parts order and to be used for models manufactured prior to May 9 2007 Special harness P N 819854 is needed and must be purchased se
9. with rotation sensor 880202 880779 DESCRIPTION 1 3 4 Flange Bearing ADC PART NUMBERS REPLACED BY 100220 100256 883735 880220 This change affects all parts orders for the above mentioned bearings and any order placed for the griplock type bearing will automatically be cross referenced and supplied with the applicable setscrew type bearing All parts orders for related subassemblies will be provided with the setscrew type bearing N gt
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