_ not more than 0.25 inch (6.3 mm).
4.
The angle of the deflection is not more than 60
_ degrees. c) A maximum of six blades with tip curl of the leading edge is permitted with the limits as follows:
1. The tip curl does not extend more than 1.3 inch
_ (33 mm) across the blade tip.
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2.
The tip curl does not extend more than 2.0 inch
_
(51 mm) down the leading edge.
3.
The maximum deflection from the initial contour is
_
not more than 0.6 inch (15 mm).
4.
The angle of the deflection is not more than 60
_
degrees.
5.
No more than three adjacent blades have tip curl
_
with the specified limits.
d) One blade with tip curl of the leading edge is
permitted with the limits as follows:
1.
The tip curl does not extend more than 2.0 inch
_ (51 mm) across the tip of the blade.
2.
The tip curl does not extend more than 2.0 inch
_
(51 mm) into the leading edge.
3.
The maximum deflection from the initial contour is
_
not more than 1.0 inch (25 mm).
4.
The angle of the deflection is not more than 45
_ degrees. e) There is no limit on the quantity of blades with tip curl of the trailing edge as follows:
1. The tip curl does not extend more than 0.5 inch
_ (12.7 mm) across the blade tip.
2. The tip curl does not extend more than 0.5 inch
_ (12.7 mm) down the trailing edge.
3.
The maximum deflection from the initial contour is
_
not more than 0.25 inch (6.3 mm).
4.
The angle of the deflection is not more than 60
_ degrees. f) A maximum of six blades with tip curl of the trailing edge is permitted with the limits as follows:
1.
The tip curl does not extend more than 1.0 inch
_
(25 mm) across the blade tip.
2.
The tip curl does not extend more than 1.0 inch
_
(25 mm) down the leading edge.
3.
The maximum deflection from the initial contour is
_
not more than 0.3 inch (7.0 mm).
4.
The angle of the deflection is not more than 60
_
degrees.
5.
No more than three adjacent blades have tip curl
_
with the specified limits. 5) Cracks or tears on the full Area D are not serviceable. 6) If there is distortion in Area D, the limits are as
follows:
NOTE: To find if a fan blade has distortion, compare it to
____
the other blades from the rotor.
a) No more than 0.34 inch (8.0 mm) out of contour in two locations.
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b) The length (D) must be more than six times the depth
(C) (Fig. 601)
c) Do a flourescent penetrant inspection of the area (AMM 70-40-01/201)
S 216-014-C00
(6) Examine the fan blade retainers and spacers for the conditions that follow (Fig. 605):
(a)
Cracks are not serviceable; replace the retainer or spacer.
(b)
There is no limit of fretting and corrosion.
S 216-015-C00
(7) Examine the areas of the fan blade dampers for the conditions that follow (IF INSTALLED) (Fig. 605):
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