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 ASSEMBLY AND COVER REPAIR 0105 00 THIS WORK PACKAGE COVERS: WP 0105 00-1 Inspection, Repair INITIAL SETUP: Tools: Dial indicator (item 65, WP 0176) General mechanic’s tool kit (item 121, WP 0176) Machinist vise (item 132, WP 0176) Magnifying glass (item 73, WP 0175) Outside micrometer caliper set (item 17, WP 0176) Telescoping gauge set (item 54, WP 0176) Personnel Requirements: Track Vehicle Repairer (1) 63H10 Equipment Conditions: Rocker arm cover assemblies removed (WP 0104) CAUTION The cylinder and rocker arm cover are machined as an assembly. The number on the rocker arm cover must match with its mating number on the cylinder to ensure camshaft bearing alignment and running clearance. If a rocker arm cover is damaged, the entire cylinder and rocker arm cover must be replaced. NOTE The engine has 12 rocker arm cover assemblies. The following procedures apply to one or all covers. This procedure shows the replacement of the exhaust rocker arm only. Each rocker arm cover assembly contains both exhaust and intake rocker arms. Both rocker arms are removed, repaired, and installed in the same manner. In addition, clearances and specifications provided in this work package apply to both intake or exhaust components.