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TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download

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TM 9-2815-220-24 GENERATOR REPLACEMENT (650 AMPERE) 0051 00 THIS WORK PACKAGE COVERS: General, Removal, Fitting Exchange, Installation and Test INITIAL SETUP: Tools: General mechanic’s tool kit (item 121, WP 0176) Plastic hammer (item 62, WP 0176) Thickness gauge, 0.002 inch (tool crib) Thickness gauge, 0.010 inch (item 55, WP 0176) Torque wrench, 0-300 inch-pounds (item 124, WP 0176) Mandatory Replacement Parts: Gasket (item 324, WP 0175) Gasket (item 273, WP 0175) O-ring (item 73, WP 0175) Mandatory Replacement Parts (Continued) O-ring (item 143, WP 0175) Self-locking screw (6) (item 104, WP 0175) Expendable and Durable Items: Enamel (item 13, WP 0173) Personnel Required: Track Vehicle Repairer (1) 63H10 Equipment Conditions: Engine removed from vehicle and placed on a flat stationary surface GENERAL Tag all electrical connections and electrical leads prior to removal to aid in installation. Install nuts and lock washers on generator terminals after removal of wires. New generators are supplied with nuts and lock washers. NOTE 650 ampere generators are available from two different sources; Honeywell and Ormat. Both generators carry the same NSN but have different part numbers. Check your RPSTL. Both applications are illustrated when there are noticeable differences. The Ormat generator is an approved second source generator for use on all AVDS-1790 Engines requiring a 650 ampere generator. Form, fit, and function are compatible with all 650 ampere Honeywell/Allied Signal (Bendix) generators. Existing oil fittings may be re-used when exchanging generators, regardless of source. Electrical connections are the same between Ormat and Honeywell generators. Oil Inlet Fitting CAUTION If the generator that you are installing is an Ormat, it is imperative that you orient the oil inlet fitting at the 6 o'clock position (+/- 10°). Proper cooling depends on this orientation. Failure to comply may damage the generator. WP 0051 00-1