TM 55-1520-240-23-11
MAINTENANCE ALLOCATION CHART
Section II
NOMENCLATURE OF END ITEMS
(1)
(2)
(3)
(4)
(5)
(6)
Maintenance Category
Group
Number
Component/Assembly
Maintenance
Function
AVUM
AVIM
DEPOT
Tools and
Equipment Remarks
050503
Vertical Hinge Pin Oil Seal
Inspect
-.-
273, 274
Replace
-.-
T10, T12,
273, 274
050504
Vertical Hinge Pin Oil Manifold Tube
Inspect
-.-
Replace
-.-
242, 273
0506
Horizontal Hinge Pin
Inspect
-.-
274
Replace
-.-
T5, T6, T87,
273, 282
Repair
-.-
050601
Horizontal Hinge Pin Bearings
Inspect
-.-
274
Replace
-.-
T5, T6, T9,
T87, 273,
282
050602
Horizontal Hinge Pin Seals
Inspect
-.-
Replace
-.-
T6, 273
0507
Pitch Varying Shaft
Inspect
-.-
274
Replace
-.-
0508
Hub Oil Tank
Inspect
-.-
274
Service
-.-
Replace
-.-
278, 282
Repair
-.-
274
0509
Liquid Sight Indicators and Plugs
Insert
-.-
Replace
-.-
278, 282
0510
Swashplate Assembly
Inspect
-.-
274
Service
-.-
Replace
-.-
T14, 278,
282
Repair
-.-
274, 273
Overhaul
-.-
0511
Swashplate Bearing
Inspect
-.-
278, 282
Replace
-.-
238, 273
0512
Ball (Upper and Lower) Spherical
Bearings and Sliding Sleeve Bearings
Inspect
-.-
274, 278,
282
Replace
-.-
T10, 242,
273
B-30
