LOCKNUT 2S5717 - Caterpillar

G3508 (4WD, 9TG, 2TJ),
G3512 (5JD, 7NJ),
G3516 (8LD, 4EK, 5PN),
G3524 (7SZ) EnginesSUPPLEMENT: JULY 1999Engine News, SEBD9273, Article 10, Page 8, June 1999; "New Transformer Group Has New Transformer Assembly For Improved Reliability"Some of the items in Chart A were incorrectly identified. New chart follows:
--------------- END SUPPLEMENT ---------------Reference: Engine News, January 1999, Page 5, "New Terminal Assembly, Spacer, And Extension Used In Transformer Group"Description of Change: A new transformer assembly is used in the Electronic Ignition System (EIS) transformer group in these engines. A wire-wound resistor is used in the new transformer assembly to improve reliability. The service repair kit for the former transformer group has been canceled since all parts of the kit are serviced separately.Adaptable To: The components of the new 165-1589 Transformer Group, with the improved 164-6474 Transformer Assembly, are identified in the illustration and Chart A. The new transformer group replaces the former 124-0749 Transformer Group and is adaptable to all above listed models. The former transformer group, as listed in the Reference Article, had a 125-0517 Service Repair Kit that has been canceled since all repair parts are now serviced separately. Chart B identifies the engine effectivity of the new transformer group.
Identification of components in the new 165-1589 Transformer Group.