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 ROCKER ARM COVER REPAIR 0134 00 THIS WORK PACKAGE COVERS: Repair INITIAL SETUP: Tools: General mechanic’s tool kit (item 121, WP 0176) Expendable and Durable Items: Cleaning compound, solvent (item 8, WP 0173) Cloth, abrasive, crocus (item 9, WP 0173) Personnel Requirements: Track Vehicle Repairer (1) 63H10 Equipment Conditions: Rocker arm cover removed (WP 0104) REPAIR CAUTION The cylinder and rocker arm cover is machined as an assembly. Numbers on the rocker arm cover must match numbers on the cylinder to ensure camshaft bearing alignment and running clearance. If rocker arm cover is damaged, the entire cylinder and rocker arm cover must be replaced. 1. Replace any defective screw thread inserts (1) (refer to WP 0028, Standard Maintenance Procedures). WARNING 2. Remove minor nicks, burrs, or scratches from mating surfaces of valve cover (2) with abrasive cloth (item 9, WP 0173) dipped in cleaning compound solvent (item 8, WP 0173). 3. Replace valve covers (2) that are cracked, have deep scratches, or nicks that cannot be removed by polishing. 1 2 END OF WORK PACKAGE WP 0134 00-1 (2 blank)