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TM 5-4320-308-13
APPENDIX B
MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
B-1. MAINTENANCE ALLOCATION CHART (MAC)
a. General. This MAC assigns maintenance functions in accordance with the Three Level Maintenance concept.
The three levels are depicted on the MAC as:
UNIT level - corresponds to an O code in the Repair Parts and Special Tools List (RPSTL). A C code entry
under UNIT denotes maintenance performed by the crew or operator within UNIT maintenance.
FORWARD INTERMEDIATE level - corresponds to an F code in the RPSTL.
REAR INTERMEDIATE level - corresponds to an H code in the RPSTL.
B-2. USE OF THE MAINTENANCE ALLOCATION CHART, SECTION II
a.
The MAC assigns maintenance functions based on the following considerations:
(1)
Skills available.
(2)
Work time required.
(3)
Tools and test equipment required and/or available.
b.
If a lower level of maintenance identified in column (4) of the MAC cannot perform all tasks of a single
maintenance function (e.g., test, repair), than the higher level that can perform other tasks of that function is
also indicated
c.
Higher maintenance levels are automatically authorized to perform maintenance functions assigned to a lower
maintenance level
d.
Higher maintenance levels will perform the maintenance functions of lower maintenance functions when
required or directed by the Commander who has authority to direct such tasking
e. Assignment of a maintenance function in the MAC does not carry automatic authorization to carry the related
spare or repair parts in stock. Information to requisition or secure parts will be as specified in the associated
RPSTL
f.
Normally, there will be no deviation from the assigned level of maintenance. However, in cases of operational
necessity, maintenance functions assigned a higher level may, at the request of the lower level, be assigned to
the lower level on a one-time basis, if specifically authorized by the maintenance officer of the higher level to
which the function is assigned. In such a case, the special tools, equipment, etc. , required by the lower level
to perform this function will be furnished by the higher level assigned the function. Also, transfer of a function
to a lower level does not relieve the higher level of responsibility for the function, so the higher level will
provide technical supervision and inspection of the function being performed at the lower level
B-1
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