Part 1 - Unitec Parts

Controller Related Components: Index To Markings & IdentificationField Mechanics to examine controller data tags,looking for the following type numbers or markingsController IdentificationSub-Category Number or Code Name of Otis Controller ApparatusController RelatedComponents2© Unitec Parts Company, 2012

Controller Related Components: CoilsController RelatedComponents0000 6© Unitec Parts Company, 2012Formerly Page: CONT 1.07

Controller Related Components: CoilsController RelatedComponents8© Unitec Parts Company, 2012Formerly Page: CONT 1.09

Controller Related Components: CoilsController RelatedComponents© Unitec Parts Company, 2012Formerly Page: CONT 1.10www.unitecparts.com 1-800-328-7840 Fax: 860-286-1625 9

















Controller Related Components: Otis LRV Printed Circuit BoardsController RelatedComponentsCall for the most currentexchange repair orout-right buy pricing26© Unitec Parts Company, 2012Formerly Page: CONT 1.27

Controller Related Components: Switches6754 SwitchMain contacts measure – 2.75” long x ½” wide.Field tech to look for identification info on back side of switch panel. There should be a letter:A thru E and then 6754 and then A, B, C, D or Y. After the letter would come a 3 or 4number series, also possibly having a letter in it. (eg. 221 or 7A21, etc). And lastly a referenceto the last few digits of the part number for the coil. (eg. EB1, EB4, CD2, CD4, etc).Before phoning UNITEC, be sure to look for coil marking directly on coil, or in that suffix.Also provide number of making and breaking main contacts and auxiliary contacts.[example full p/n: E6754A221-EB1]Controller RelatedComponents© Unitec Parts Company, 2012www.unitecparts.com 1-800-328-7840 Fax: 860-286-1625 27

Controller Related Components: SwitchesFIG. 1 6754 Switch Replacement Parts DrawingController RelatedComponents28© Unitec Parts Company, 2012

Controller Related Components: Switches6164 BP SwitchField tech to look for identification info on back side of switch panel.There can possibly be no letter or the letter ‘A’ and then 6164BP after the letters would comea 3 number series, (eg. 141, 331, 411, etc). And lastly a reference to the last few digits of thepart number for the magnet coil. (eg. Typically: CX, CY, CZ, DF) and then a numeral.Before phoning UNITEC, be sure to look for coil marking directly on coil, or in that suffix.Also provide number of making and breaking main contacts[example full p/n: A6164BP102-CY1]Controller RelatedComponents© Unitec Parts Company, 2012www.unitecparts.com 1-800-328-7840 Fax: 860-286-1625 29

Controller Related Components: SwitchesFIG. 2 Typical 6164 BP DC Switch (Five Making Contacts)Controller RelatedComponents30© Unitec Parts Company, 2012

Controller Related Components: Switches6830 Series SwitchList of common contacts for 6830A, B, C & D type switches (with prefix letters potentiallyfrom A thru E).MOVABLE CONTACTS (4.12” long x ¾” wide): (square face: 153B1, 153AG6),(round sole: 150AK2, 150Y2)STATIONARY CONTACTS: (square face: 154C2, 154C4), (round sole: 150AK3, A150W6)Controller RelatedComponents© Unitec Parts Company, 2012www.unitecparts.com 1-800-328-7840 Fax: 860-286-1625 31

Controller Related Components: SwitchesFIG. 5 6830 Series Switch - Main ContactsController RelatedComponents32© Unitec Parts Company, 2012

Controller Related Components: SwitchesE6744A type SwitchE6744A141CM1 (shown) – 5.5” x 1.12” movable contacts.Controller RelatedComponents© Unitec Parts Company, 2012www.unitecparts.com 1-800-328-7840 Fax: 860-286-1625 33

Controller Related Components: SwitchesE6520T type SwitchE6520T141CM1 (shown) – 6.5” x 1.38” movable contacts.These switches are generally not available any longer as assemblies –contact UNITEC for spare parts).Controller RelatedComponents34© Unitec Parts Company, 2012

Controller Related Components: Top of Car Inspection ControlSwitch Stations7003AL typeAssembly no longer in production.Order Spare Parts only: AAA635L3, P177BY1, 6599A7.Controller RelatedComponentsA7003BE4A7003BE4 still available, but most Assemblies now obsolete. Contact UNITEC for SpareParts only: AAA00177AAC001, AAA00177AAC004, AAA635L13, AAA635L5, AAA636E6,AAA636E7.© Unitec Parts Company, 2012www.unitecparts.com 1-800-328-7840 Fax: 860-286-1625 35

Controller Related Components: Top of Car Inspection ControlSwitch StationsController RelatedComponentsMBA24831A001MBA24831A001 contemporary TOC INSPECTION device.DAA24831L002DAA24831L002 contemporary TOC INSPECTION device.AAA22800H401AAA22800H401 (car and pit Stop Switch).36© Unitec Parts Company, 2012

Controller Related Components: Carbon & Non-metallic ContactController RelatedComponents© Unitec Parts Company, 2012Formerly Page: MISC 7.51www.unitecparts.com 1-800-328-7840 Fax: 860-286-1625 37

Controller Related Components: Carbon & Non-metallic ContactController RelatedComponents38© Unitec Parts Company, 2012Formerly Page: MISC 7.52


Controller Related Components: Carbon & Non-metallic ContactController RelatedComponents154AA340© Unitec Parts Company, 2012Formerly Page: MISC 7.54


Controller Related Components: Carbon & Non-metallic ContactController RelatedComponents42© Unitec Parts Company, 2012Formerly Page: MISC 7.56

Controller Related Components: Carbon Contact HoldersController RelatedComponents© Unitec Parts Company, 2012Formerly Page: COMM 039www.unitecparts.com 1-800-328-7840 Fax: 860-286-1625 43

Controller Related Components: Carbon Contact HoldersController RelatedComponents44© Unitec Parts Company, 2012Formerly Page: COMM 040

Part 1 - Unitec Parts

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