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TM 55-1520-240-23-4
5-9
INSTALL ROTARY-WING HEAD
5-9
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Rotor Head Lifting Device (T30)
Torque Applicator (T2)
Reaction Adapter (T28)
Socket (T29)
Tee Handle (T161)
Torque Wrench, 0-150 Inch-Pounds
Hoist
Rope Guide Lines
Depth Micrometer, 1-12 Inches
Rawhide Mallet
Brush, 1 Inch
Materials:
Grease (E190)
Cloth, Cleaning (E120)
Dry Cleaning Solvent (E162)
Gloves (E186)
Pipe Cleaner (E469)
Goggles (E473)
Parts:
Packing
Cotter Pins
Personnel Required:
CH-47 Helicopter Repairer (6)
Inspector
Equipment Condition:
Prior to installation of any rotor head received from
the supply system, perform oil flow inspection
(Task 5-8.1).
References:
Task 5-8
Task 5-8.1
Task 5-9
TM 55-1520-240-23P
General Safety Instructions:
CAUTION
Head and splines require a thick brush
coat of grease. Seating surfaces of
droop stop plate, spacer, and head
must be clean and grease free. Dirty
seating surfaces can cause decrease
in hub nut torque. This could result in
damage to head, nut, or rotor shaft.
Change 2
5-55
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