MIL-DTL-81927C(AS)
3.2.1.2.1 Operation instructions. Operation instructions shall be developed when the
equipment is designed to be operated by a dedicated Operator. Refer to technical content
specification for detailed coverage requirements. The operation of support equipment shall be
integrated into the testing (checkout) procedures using the support equipment. Operating
instructions shall also be developed to provide standard basic operating procedures when the
equipment is used for testing or maintenance of multiple items, e.g., Automatic Test Equipment
(ATE), Hydraulic test stands, and portable or mobile power supplies. Operation instructions shall
include the following coverage if the equipment is operated by a dedicated operator:
a. Description and principles of operation, including controls and indicators;
b. Operating instructions;
c. Operator's maintenance, if required;
d. Preparation for use, storage, and/or shipment, if required.
3.2.1.2.2 Maintenance Instructions. The term "Maintenance Instructions" includes all related
Functional elements as listed in 3.2.1.1, except "Operating Instructions". The IPB is a part of the
maintenance TM, but is identified by "with IPB" for clarity, e.g., "Maintenance Instructions with
Illustrated Parts Breakdown" or "Maintenance Instructions with IPB". Refer to technical content
specification for detailed coverage requirements.
3.2.1.2.3 Separate Operation and Maintenance Instructions manuals. Separate Operation
Instructions and Maintenance Instructions with Illustrated Parts Breakdown manuals shall be
developed when the related functional tasks are to be performed by different personnel or work
centers or when required in support of multiple WPs. Refer to technical content specification for
detailed coverage requirements.
3.2.1.2.4 Combined Operation and Maintenance Instructions. Combined Operation and
Maintenance Instructions shall be developed when the Operation and Maintenance is performed
by the same personnel. Combined manuals shall provide coverage for all applicable functional
elements listed in 3.2.1.1.
3.2.1.3 WP definition. Based on the criteria presented above, WP concept documents shall
be defined as follows:
a. A WP manual consists of a functionally assembled technical manual containing
individual WPs covering independent tasks grouped by system or equipment.
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