TM 55-1520-240-23-4
5-40
REMOVE HORIZONTAL HINGE PIN BEARING CAP
5-40
INITIAL SETUP
Applicable Configurations:
All
Tools:
Powertrain Repairers Tool Kit, NSN
5180-00-003-5267
Torque Wrench Socket (T5)
Drive Handle, 3/4 Inch
Bolt, 3/8-24 UNF, 1-13/16 Inches Long
Washer, 3/8 Inch ID, 1/16 Inch Thick
Socket, 2 Inch, 3/4 Inch Drive
Materials:
None
Personnel Required:
Aircraft Powertrain Repairer
Equipment Condition:
Pitch Link Lockpin Installed
NOTE
Although removal of rotor blades and
rotor head is not a requirement to
perform this task, that option rest with
the operating unit.
NOTE
Procedure is same to remove any
horizontal hinge pin bearing cap.
There are six caps on a rotary-wing
head.
Remove key only from cap being
moved. Locking beam can be
removed with one key installed.
1.
Remove lockwire from six bolts (1).
2.
Remove five bolts (1) from horizontal hinge pin
bearing caps (2). Remove key (3).
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