TM 55-1520-240-PM
PHASE NO. _____
Area Name and No.
Aircraft Serial No.
Date
FORWARD ROTOR, CROWN, AND
TUNNEL, AREA #7
Inspect
Phase
No’s
Inspection Requirements
Status
Faults and/or Remarks
Action Taken
Initial
ALL/C
7.32 Forward rotary-wing head for
corrosion, damage, and cracks in
pitch-varying housing, pitch shaft, and
web areas of hub. Head retaining nut
for security and installation of washer
and retaining ring. Access 30, 72
2, 4, C
7.33 Drain and service all rotary-wing
head reservoirs.
ALL/C
7.34 Check forward rotary-wing head
retaining nut for specified torque. Refer
to TM 55-1520-240-23.
ALL/C
7.35 Inspect the installed horizontal
hinge pins and bearings per
TM 55-1520-240-23.
ALL/C
7.36 Forward rotary-wing head droop
stops (blades raised) for damage, wear,
and security. Retorque fixed droop stop
retaining bolts. Access 30, 72
"FOD REMINDER"
Check work area for tools and parts after completion of maintenance and inspection.
2-51
