TM 55-4920-227-15
items in the organizational, direct support,
c. Symbol X. The symbol X indicates the lowest
and general support columns; repair of end
level responsible for performing that particular
items;
overhaul
of
assemblies
and
maintenance operation, but does not necessarily
components; and fabrication of general use
indicate repair parts will be stocked at that level.
common hardware and parts.
d. Remarks.
The remarks column is used to
(5) Depot.
Depot maintenance is that
explain why maintenance, that normally would be done
maintenance
authorized
to
overhaul
at a lower level, is moved to a higher level because of
assemblies, components, end items, and
some peculiarity in the construction of the end item.
replacement of all parts in the O, DS, GS,
and D columns.
Section II. MAINTENANCE ALLOCATION CHART
Group
Component and related
Tools
OC
O
DS
GS
D
Remarks
No.
operations
required
1.0
Service.......................................
.......
X
Adjust ........................................
.......
.......
X
Aline ..........................................
.......
.......
.......
X
Calibrate.....................................
.......
.......
.......
X
Inspect .......................................
.......
.......
X
Test ...........................................
.......
.......
X
Replace......................................
.......
.......
X
Repair ........................................
.......
.......
.......
X
Overhaul ....................................
.......
.......
.......
.......
X
2.0
Electrical:
2.1
Blower motor:
Replace......................................
.......
.......
X
Repair ........................................
.......
.......
.......
X
Overhaul ....................................
.......
.......
.......
.......
X
Inspect .......................................
.......
.......
X
2.2
Inspect .......................................
.......
.......
X
Test ...........................................
.......
.......
X
Replace......................................
.......
.......
X
2.3
Control box:
Replace......................................
.......
.......
X
Inspect .......................................
.......
.......
X
2.4
START-STOP pushbutton:
Inspect .......................................
.......
.......
X
Replace......................................
.......
.......
X
2.5
RAISE-LOWER pushbutton:
Inspect .......................................
.......
.......
X
Replace......................................
.......
.......
X
2.6
Inspect .......................................
.......
.......
X
Replace......................................
.......
.......
X
Calibrate.....................................
.......
.......
.......
X
2.7
Varidrive motor:
Inspect .......................................
.......
.......
X
Replace......................................
.......
.......
X
Repair ........................................
.......
.......
.......
X
Overhaul ....................................
.......
.......
.......
.......
X
Service.......................................
.......
X
AGO 6729A
59