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TM 55-1520-240-23-9
11-7
INSPECT FLIGHT CONTROL SYSTEM ALUMINUM AND STEEL CONNECTING LINKS
11-7
INITIAL SETUP
Applicable Configurations:
Without 38
Tools:
As Required
Materials:
As Required
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
Task 11-8
TM 1-1520-253-23
Equipment Condition:
As Required
FIXED (NON-ADJUSTABLE) CONNECTING LINKS
NOTE
Fixed connecting links are made from
aluminum and steel forgings with
bearings pressed and staked in each
end.
1.
Inspect link for nicks and scratches.
2.
Inspect blending. Depth of blending over entire
link must not be more than 10 percent of material
thickness or 0.004 inch, whichever is less.
2.1.
Inspect link for cracks. There shall be no
cracks. If a crack is suspected, refer to TM
1-1520-253-23.
3.
Check for bearing looseness (Task 11-8).
After APU shutdown and removal
of hydraulic power, inspect link for
bending. Bending can cause a flight
hazard, resulting in personal injury
or death.
4.
Inspect first stage mixing link (1) for bending in
any direction at narrow section (2), both ends of
link. There shall be no bending.
5.
If bending of link (1) is suspected, remove
link and check center to center dimension A.
Dimension must not be less than 9.714 inches.
11-36
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