MCO 4790.2 governs Marine Corps field-level maintenance management, including policies and procedures for equipment readiness and sustainment.
View MCO 4790.2 on armypubs.army.mil
It covers maintenance administration, equipment availability, maintenance phases, corrective and overflow maintenance, training, calibration, publications, safety, and warranty programs. It requires maintenance at the lowest unit level possible consistent with mission, repair needs, resources, personnel, and available time.
Applies to: Accountability and equipment stewardship is accomplished by the execution of the programs directed herein and references (a) and (b) and applies to all levels of leadership.
CM consists of all maintenance actions performed, as a result of a failure, to restore equipment to an operational condition. (paragraph 6)
The owning unit is responsible for the timely performance of all CM actions within its responsibility. (paragraph 6)
If an asset requires maintenance that exceeds the assigned capability/capacity, the items will be evacuated to the supporting maintenance activity. (paragraph 6)
Coordination between the supporting and supported unit to determine the availability of required repair parts and supplies must be accomplished prior to dispatching the mobile maintenance team. (paragraph 5)
Stored no less than 18 months and no more than 36 months. (paragraph 8)