Section II. MAINTENANCE ALLOCATION CHART

TM 5-3431-207-15

Column 4. Fourth Echelon:

4. Symbol X

Fourth echelon maintenance is that maintenance

The symbol placed in the appropriate column indicates

performed by units organized as semi-fixed or

the lowest echelon responsible for performing that

permanent shops to serve lower echelon maintenance

particular maintenance operation, but does not

within a geographical area such as replacement of

necessarily indicate repair parts will be stocked at that

items, overhaul assemblies, components, and fabricate

level.

general use common hardware and parts.

5. Remarks

Column 5. Fifth Echelon:

The remarks column is used to explain why

Fifth echelon maintenance is that maintenance

maintenance that would normally be done at a lower

authorized to overhaul assemblies, components, end

echelon is moved to a higher echelon because of some

items, and replacement of all parts in columns 2, 3, 4,

peculiarity in the construction of the end item.

and 5.

Section II. MAINTENANCE ALLOCATION CHART

Functional

Echelons of maintenance

group

Components and related operation

Remarks

FRONT AXLE

1001

AXLE, TONGUE

Axle; Tongue; Springs