TM 1-1520-238-23
11-1156
Change 7
11.274. TAIL ROTOR DRIVE LINK REMOVAL
11.274.1. Description
This task covers:
Removal. Cleaning. Inspection.
11.274.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
0.300 - 24/0 - 24-inch inside/outside vernier caliper
(item 54, App H)
Materials/Parts:
Mat (item 122, App F)
Personnel Required:
67R
Attack Helicopter Repairer
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
WARNING
Heat-treated condition of the tail rotor drive link is critical to its serviceability. Any indication
of heat oxidizing (discoloration), where visually detectable, requires replacement of the part.
This part must be protected from unscheduled heating and external impact during inspec-
tion and handling procedures.
Shot-peened surface on tail rotor drive link is critical. This part shall be replaced or have the
peening restored if surface has had peening removed by wear or other cause. It also must be
protected from unscheduled heating and external impact during inspection and any other
handling procedures.
NOTE
This task is typical for both drive links.
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