NMWR-9-2815-220 Overhaul Manual for M60 M88 Engine AVDS-1790-2CA, AVDS-1790-2DA, AVDS-1790-2DR Download
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NMWR 9-2815-220 CYLINDER ASSEMBLY OVERHAUL 0012 00 THIS WORK PACKAGE COVERS: General Instruction, Disassembly, Cleaning, Inspection, Repair, Reclamation, and Assembly INITIAL SETUP: Materials/Parts Materials/Parts - Continued Compound, lapping (item 4, WP 0050 00) Valve guide (1) (item 397, WP 0052 00) Oil, honing (item 7, WP 0050 00) Valve guide (1) (item 398, WP 0052 00) Adjusting screw assembly (2) (item 350, Valve spring retainer lock (4) (item 262, WP 0052 00) WP 0052 00) Cap screw (8) (item 776, WP 0052 00) Valve spring retainer lock (4) (item 263, Compression seat (1) (item 284, WP 0052 00) WP 0052 00) Compression seat (1) (item 345, WP 0052 00) Washer (8) (item 804, WP 0052 00) Engine poppet rotor (1) (item 285, WP 0052 00) Fuel injector nozzle (item 42, WP 0052 00) Tools Gasket (2) (item 407, WP 0052 00) Carbon cutter (item 9, WP 0051 00) Machine bolt (1) (item 486, WP 0052 00) Grinding machine (item 17, WP 0051 00) Machine bolt (7) (item 338, WP 0052 00) Magnifying glass (item 21, WP 0051 00) Machine bolt (4) (item 313, WP 0052 00) Torque wrench (item 33, WP 0051 00) Nut (2) (item 348, WP 0052 00) Reamer (item 25, WP 0051 00) Nut (168) (item 516, WP 0052 00) Wire brush (item 31, WP 0051 00) O-ring (12) (item 666, WP 0052 00) Tool kit, general mechanic's: automotive Packing (4) (item 58, WP 0052 00) (item 30, WP 0051 00) Pin (2) (item 449, WP 0052 00) Sleeve bearing half (2) (item 74, WP 0052 00) References Spring (2) (item 315, WP 0052 00) AWS-A5.10/5.10M Spring (2) (item 317, WP 0052 00) MIL-R-17131C (1) Spring (2) (item 316, WP 0052 00) TM 9-2815-220-34 Valve guide (1) (item 388, WP 0052 00) A-A-3108 Valve guide (1) (item 389, WP 0052 00) WP 0005 00 Valve guide (1) (item 395, WP 0052 00) Valve guide (1) (item 396, WP 0052 00) 0012 00-1 Change 1 GENERAL INSTRUCTION This section covers overhaul of the cylinder assembly. Specific instructions on disassembly, cleaning, inspection, repair and assembly are included. Wear limits, fits, tolerances, and overhaul inspection procedures (OIP’s) for individual components are also included. Stud identification information is included in the repair instruction. Mandatory replacement parts are designated by an asterisk (*) in the key to Figures 14 and 15. DISASSEMBLY Disassemble cylinder assembly in accordance with TM 9-2815-220-34. CLEANING 1. Refer to WP 0005 00 for general cleaning instructions. 2. Remove heavy carbon deposits from combustion chamber with a scraper or blunt tool that will not nick or scratch the surface. Remove only heavy carbon deposits; the surface need not be cleaned to a mirror finish.