Downloaded from https://www.everyspec.com MIL-STD-3001-4(AS) procedures. The depth of inspection/investigation shall depend upon remaining engine life, operational requirements and economic feasibility. Applicable WPs shall be referenced for details of removal, cleaning, inspection, repair, assembly, installation, and testing. The probable cause/corrective action, and mandatory/recommended maintenance tasks to be taken for correction of engine defects shall be presented in two tables. The entries in the first table shall reflect the reported/confirmed defects, probable cause and corrective action (see figure 5). The second table shall include the mandatory/recommended maintenance tasks.
Major inspection requirements for complete engine repair shall be identified (see figure 6). 5.3.9 External tubing, cabling and clamping work packages (engines only) . A series of work packages shall be developed for maintaining the external tubing, cabling and clamping of the engine. Procedures proc> for installation, positioning and identification of external tubing, cables, clamping and attaching hardware shall be included. The following work packages shall be provided, as applicable: a. Numerical index work package. b. Bracket installation work package. c. External components work package. d. External tubing, cabling and clamping installation work package. e.
Critical clearances work package. 5.3.9.1 Numerical index work package compindwp >. This work package shall contain a numerical index of external parts by part number, cross-referenced to their installation sequence number (see figure 7). 5.3.9.2 Bracket installation work package brktwp >. This work package shall contain illustrations identifying the engine flanges and views of each flange that brackets are secured to. Flange identification and view direction, spacer size and location, bracket part numbers, angle location and direction, bolt head direction, and torque values shall be provided (see figure 8). 5.3.9.3 External components work package extcompwp >.
This work package shall indicate what external components, such as gearboxes, pumps, valves, and controls, must be installed prior to installation of tubing and cables. Reference shall be made to the applicable maintenance WPs. 5.3.9.4 External tubing, cabling and clamping installation work package extubwp> . This work package shall contain illustrations of the sides, top, and bottom views of the engine showing all tubing, cabling, clamping and attaching hardware as it would appear when properly and completely installed (see figure 9). Numbers shall reflect installation sequence of each external part.
The sequence number, part number, nomenclature, and zone figure for detailed installation data shall be prepared in tabular form as indicated on figure 9. Critical clearance items shall be identified. 5.3.9.4.1 Zone references. An illustration depicting the engine zones shall be prepared as shown on figure 9. 5.3.9.4.2 Zone detail views. A detailed view of each engine zone shall be prepared as shown on figure 9. These zone detail figures shall contain complete information necessary to install all external parts and attaching hardware. A key (figure 9) shall be prepared for each detail view. 16