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 MAN-HOUR STANDARDS 0056 00 QUALITY OF MATERIAL 1. The parts and material used for replacement, repair, or modification shall meet all applicable equipment drawings and specifications to ensure conformation to the requirements of this NMWR. GENERAL 1. It is not intended that the time allowances given be considered maximum, since conditions for performing the various operations will vary due to factors such as mechanical condition of parts and equipment, experience and ability of the personnel involved, availability of parts, tools, and maintenance equipment. 2. Table 1 lists the man-hour requirements for overhaul operations. MAN HOUR REQUIREMENTS 1. Models AVDS-1790-2CA and AVDS-1790-2DA, man-hour requirements for assembly line type overhaul have been estimated at 226.2 hours. Table 1 shows an itemized list of direct labor man-hours only. Indirect hours must be estimated by the contracting facility. 2. Model AVDS-1790-2DR, man-hour requirements for assembly line type overhaul have been estimated at 234.2 man-hours. Since engine Model AVDS-1790-2DR is similar to engine Models AVDS-1790-2CA and AVDS-1790-2DA, 226.2 man-hours are required for parts common to all three engine models. An additional eight man-hours are required to process components peculiar to engine Model AVDS-1790-2DR; refer to table 2. Table 1. Man-Hour Standards. REMOVAL AND CLEANING, ASSEMBLY TEST COMPONENT DISASSEMBLY INSPECTION AND AND PACKAGING OVERHAUL Remove engine from shipping 3.0 container, place on transport buggy Drain, Cleaning, and Preshop 5.2 Analysis Remove engine accessories: Electrical harness 1.5 1.3 3.7 Starter module .3 .5 .3 Time totalizing meter .1 .5 .1 Sending units and switches .4 .9 .4 Automatic water drain control .5 .7 .5 Fuel pump .2 Separate NMWR .2 Starter .9 Separate NMWR .8 Generator .9 Separate NMWR 1.5 Turbosupercharger 1.5 Separate NMWR 2.0 Install engine on overhaul stand .9 0056 00-1