SE OF THE MAINTENANCE ALLOCATION CHART.

TM 55-1750-224-13 & P

removed/installed with available skills, tools and equipment. Perform

operational and continuity checks and make minor repairs. Perform

servicing, functional adjustments, and minor repair/replacement.

Evacuate unserviceable modules/components and end items beyond the

repair capability of AVUM to the supporting AVIM.

(b) LESS THAN COMPANY SIZE AVIATION UNITS. Aviation elements

organic to brigade, group, battalion headquarters and detachment size

units are normally small and have less than ten aircraft assigned.

Maintenance tasks performed by the aircraft crew chief or assigned

aircraft repairman will normally be limited to preventive maintenance,

inspections, servicing, spot painting, stop drilling, minor

adjustments, module/component fault diagnosis and replacement of

selected modules/components. Repair functions will normally be

accomplished by the supporting AVIM unit.

(2) AVIATION INTERMEDIATE MAINTENANCE (AVIM). AVIM provides mobile,

(Maintenance functions

responsive "One Stop" maintenance support.

which are not conducive to sustaining air mobility will be assigned to

depot maintenance.) Performs all maintenance functions authorized to be

done at AVUM. Repair of equipment for return to user will emphasize

support or operational readiness requirements. Authorized maintenance

includes replacement and repair of modules/components and end items

which can be accomplished efficiently with available skills, tools, and

equipment.

Establishes the Direct Exchange (DX) program for AVUM units

by repairing selected items for return to stock when such repairs

cannot be accomplished at the AVUM level. Inspects, troubleshoots,

tests, diagnoses, repairs, adjusts, calibrates, and aligns system

modules/components. Module component disassembly and repair will

support the DX program and will normally be limited to tasks requiring

cleaning and the replacement of seals, fittings and items of common

hardware.

Unserviceable repairable modules/components and end items

which are beyond the capability of AVIM to repair will be evacuated to

Depot Maintenance. This level will perform special inspections which

exceed AVUM capability. Provides quick response maintenance support,

on-the-job training, and technical assistance through the use of mobile

maintenance contact teams. Maintains authorized operational readiness

float. Provides collections and classification services for

serviceable/unserviceable material. Operates a cannibalization

activity in accordance with AR 750-50.

(The aircraft maintenance company within the maintenance battalion of a

division will perform AVUM functions consistent with air mobility

requirements and conservation of personnel and equipment resources.

Additional intermediate maintenance support will be provided by the

supporting non-divisional AVIM unit.)

B-2. USE OF THE MAINTENANCE ALLOCATION CHART.

a. The MAC assigns maintenance functions to the lowest level of

maintenance based on past experience and the following considerations:

B-2