TM 1-1520-238-T-4
5–58
Change 9
5–23.
TAIL ROTOR BALANCE – MAINTENANCE OPERATIONAL CHECK USING
5–23
AVA EQUIPMENT
Tools:
Nomenclature
Part Number
Tool Kit, Aircraft
SC518099CLA01
Mechanic’s
Aviation Vibration
6625-01-282-3746
Analysis Test Set
Helicopter Rotor Head
4920-01-180-7610
Balance and Blade
Track Run Test
Equipment
Wrench, Torque
TCI–1600
1/2 Drive
Materials/Parts:
Balance weights (as required)
Personnel Required:
152FG
Maintenance Test Pilot
152FG
Pilot
67R
Attack Helicopter Repairer
67R3T
Inspector
References:
TM 1-1520-238-23
TM 1-1520-238-MTF
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Helicopter safed
Tail rotor assembly
inspection completed
TM 1-1520-238-23
Tail rotor AVA kit installed
Special Environmental Conditions:
Wind velocity of 20 knots or more may affect accuracy
of readings.
