TM 55-1520-240-23-4
5-6
INSPECT ROTARY-WING HEADS
(Continued)
5-6
c.
Damage to hub oil tank (10) and three pitch
housing oil tanks (11) shall not exceed 0.020
inch in depth by 2.5 inches in length.
d.
Damage around aft droop stop lugs (12)
within 1 inch of lugs shall not exceed 0.005
inch in depth by 1.0 inch in length.
e.
Damage to horizontal pin caps (13) shall not
exceed 0.010 inch in depth by 2.5 inches
in length.
f.
Damage to pitch shafts (14) shall not exceed
0.005 inch in depth by 2.5 inches in length.
g.
Damage to edges of three pitch arms (15)
shall not exceed 0.050 inch in depth.
5-33