BHT-407-MM-1
5-00-00
Page 12
Rev. 38 4 OCT 2013
Export Classification C, ECCN EAR99
ZONE 2 — TAIL ROTOR ASSEMBLY
PLACARDS AND MARKINGS
Chapter 11
1.
Examine the placards, decals, and markings. Make sure
you can read them, they are applied correctly, and they are in
agreement with the applicable configuration of your helicopter.
Chapter 64
TAIL ROTOR ASSEMBLY
1.
Do a torque check of the tail rotor assembly mast nut (560
to 580 inch-pounds (64 to 65 Nm)).
2.
Examine the tail rotor assembly for general condition and
security. Examine the components as follows:
a.
Retainer nut and the lockwire for damage.
b.
Support for damage.
c.
Exposed portion of the yoke for damage.
d.
Counterweights for damage.
e.
Weights and their supports for damage.
f.
Both blades of the tail rotor for damage.
g.
Inspect tail rotor blade(s) (ASB 407-10-92) for evidence
of delamination/separation between skin plies and root end at
trailing edge using a 10X magnifying glass. If cracks are found
or suspected at any location on the tail rotor blade, or if
excessive tail rotor vibrations are reported with no apparent
causes, remove the tail rotor blade and do a leak check
(Chapter 64).
3.
Examine the stop yield indicator for damage. If the stop
yield indicator clearance is decreased, discard the stop yield
indicator and proceed as follows:
a.
Discard tail rotor yoke.
PROGRESSIVE INSPECTIONS
5-12.
PROGRESSIVE INSPECTION — EVENT #1 (CONT)
DATA REFERENCE
INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
