TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
Page 577 of 1563
TM 9-2815-220-24 OIL COOLER REPLACEMENT, ENGINE AND TRANSMISSION 0072 00 THIS WORK PACKAGE COVERS: Removal, Disassembly, Cleaning, Inspection, Assembly and Installation INITIAL SETUP: Tools: Air pressure source General mechanic’s tool kit (item 121, WP 0176) Oil cooler cleaning tool (item 20, WP 0176) Thermometer (item 119, WP 0176) Suitable container (5-gallon (19-liter) minimum) Mandatory Replacement Parts: Gasket (2) (item 330, WP 0175) Gasket (2) (item 315, WP 0175) Nut, self-locking (6) (item 33, WP 0175) O-ring (2) (item 141, WP 0175) Expendable and Durable Items: Cleaning compound, solvent (item 8, WP 0173) Cloth, abrasive, crocus (item 9, WP 0173) Goggles (item 23, WP 0173) Lubricating oil, engine (OE 30) as needed (item 27, WP 0173) Personnel Required: Track Vehicle Repairer (1) 63H10 Equipment Conditions: Engine removed from vehicle and on flat level surface Dust ejector tubes removed (WP 0083) NOTE The oil coolers on each side of the engine are removed in the same manner. Removal of right coolers is described in the following instructions. Your particular engine may have slightly different harness brackets from those illustrated; however, they are mounted in a similar fashion and are removed similarly. Model AVDS-1790-2DR oil cooler removal and installation instructions are similar to those described below except that this engine is not equipped with a top-mounted engine wiring harness, nor is the oil sampling system on the coolers; instead, a valve on the oil filter/damper housing serves the purpose. REMOVAL 2 1 NOTE Step 1 opens an internal passage allowing oil to drain from the engine oil coolers into the oil pan. 1. Drain engine oil coolers. a. Loosen oil drain valve (1) six complete turns. Do not loosen oil drain valve adapter (2). WP 0072 00-1