TM 55-1520-240-T
2-1.2.1 LOW FREQUENCY VIBRATION ISOLATION PROCEDURE
2-1.2.1
INITIAL SETUP
References:
Applicable Configurations:
All
TM 55-1520-240-23
TM 55-1520-240-10
Tools:
Equipment Condition:
Aircraft Mechanic’s Tool Kit,
TM 55-1520-240-23:
NSN 5180-00-323-4692
Battery Connected
Vibrex Model 177M6A or 177M7A
Electrical Power On
Vibrex Accessory Set
Hydraulic Power On
Helicopter Prepared for In-Flight Blade Balancing
Materials:
Two 1-Inch Square Steel Blocks (See Below)
Visual Check Performed
Personnel Required:
Medium Helicopter Repairer (2)
Army Rotary Wing Aviator (2)
Technical Inspector
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2-4.2
Change 5
