MIL-DTL-81218 Manuals, Technical: Aircraft Engine Intermediate And Depot Maintenance, Preparation Of \(Work Package Concept\)This specification covers technical manual content requirements for preparation of aircraft engine intermediate and depot maintenance instructions in work package \(WP\) format for uninstalled reciprocating and gas turbine engines, including turboprop and turboshaft. This specification also covers requirements for an intermediate maintenance manual supplement for the installation, positioning, and identification of external tubing, cabling, clamping and attaching hardware and a Sequence Control Chart \(SCC\) that graphically depicts accomplishment of complete engine repair. When specified by the requiring activity, an Illustrated Parts Breakdown \(IPB\) shall be included.

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MIL-DTL-81218C(AS)

shall be included under the "Work Package Number" heading. The alphabetical index for depot

maintenance manuals shall be in accordance with MIL-DTL-81927 (see 3.1.4).

3.5.2 Introduction. In addition to the requirements of MIL-DTL-81927 (see 3.1.4), the

introduction shall include the significant differences between models and the method of indicating

those differences, if more than one engine model is covered. Only information covering

uninstalled aircraft engines shall be included. The introduction shall indicate, when applicable,

that the external piping, cabling, and clamping information for the engine is contained in a

separate intermediate maintenance manual or supplement. When a separate IPB manual is

approved, the introduction shall make reference to the IPB. A historical record of applicable

technical directives is required and a complete list of reference material is also required. A

support equipment and materials required list is not required in the introduction, but shall be

provided in separate WPs as applicable.

3.5.2.1 Maintenance allocation. The introduction for an intermediate maintenance manual

shall include an explanation of the maintenance allocation heading contained in the alphabetical

index. It shall contain a statement that allowable maintenance shall be consistent with spare parts

provisioning, support equipment, and maintenance site capability and that if these conditions are

not met, the engine shall be declared beyond capability of maintenance (BCM) and shall be

transferred to a maintenance activity having repair capability in accordance with OPNAVINST

4790.2.

3.5.2.2 Reference material listing. The reference material list shall be prepared in accordance

with MIL-DTL-81927 (see 3.1.4).

3.5.2.3 Historical record of applicable technical directives. The historical record of applicable

technical directives shall be prepared in accordance with MIL-DTL-81927 (see 3.1.4).

3.5.3 Support equipment required WP. The consolidated list of support equipment required

by MIL-DTL-81927 (see 3.1.4) shall be a separate WP. The listing shall be tabular with

nomenclature identified first in alphabetical sequence and shall include the part number or type

designation, maintenance level and degree, and reference to WPs in which the support equipment

is required. Illustrations of support equipment shall be included for the support equipment that is

not adequately illustrated for identification in WP procedures.

3.5.4 Materials required WP. The consolidated listings of materials required by MIL-DTL-

81927 (see 3.1.4) shall be a separate WP. The consolidated list of materials shall be a tabular

listing in two parts.

a. Consumable materials. The consumable materials shall be listed alphabetically by

nomenclature, specification or part number, and shall reference those WPs in which used.