NOTE: ALL DIMENSIONS SHOWN ARE INCHES (mm).
Minimum Fan Blade Chord Length (P/N 52A121, 52A121-001, and 56A821) Figure 810 (Sheet 2)
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28
(P/N 54A621)
L-B1526 (0000) PW V
Minimum Fan Blade Chord Length (P/N 54A621) Figure 811 (Sheet 1)
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
INDEX DIMENSION FROM PLANE Z (P/N 54A621 BLADE) MINIMUM CHORD DIMENSION
1 4.009 (101.829) 6.929 (175.997)
2 4.669 (118.593) 6.966 (176.936)
3 5.669 (143.993) 7.006 (177.952)
4 6.669 (169.393) 7.047 (178.994)
5 7.669 (194.793) 7.108 (180.543)
6 8.669 (220.193) 7.153 (181.686)
7 9.669 (245.593) 7.203 (182.956)
8 10.669 (270.993) 7.273 (184.734)
9 11.669 (296.393) 7.358 (186.893)
10 12.669 (321.793) 7.454 (189.332)
11 13.669 (347.193) 7.558 (191.973)
12 14.669 (372.593) 7.654 (194.412)
13 15.669 (397.993) 7.744 (196.698)
14 16.669 (423.393) 7.840 (199.136)
15 17.669 (448.793) 7.993 (201.498)
16 18.669 (474.193) 8.032 (204.013)
17 19.669 (499.593) 8.134 (206.604)
18 20.603 (523.316) 8.236 (209.194)
19 21.169 (537.693) 8.300 (210.820)
20 21.953 (557.606) (NONE, MIDSPAN SHROUD)
21 22.653 (575.386) 8.490 (215.646)
22 23.469 (596.113) 8.606 (218.592)
23 24.469 (621.513) 8.750 (222.250)
24 25.469 (646.913) 8.931 (226.847)
25 26.469 (672.313) 9.070 (230.378)
26 27.469 (697.713) 9.220 (234.188)
27 28.469 (723.113) 9.342 (237.287)
28 29.189 (741.401) 9.461 (240.309)
NOTE: ALL DIMENSIONS SHOWN ARE INCHES (mm).
Minimum Fan Blade Chord Length (54A621) Figure 811 (Sheet 2)
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S 648-039-N00
(15) Use one of the two methods that follow to lubricate the blade mid-span shroud.
WARNING:_______DO NOT PERMIT THE LUBRICANT TO TOUCH YOUR SKIN. IF IT DOES, WASH IMMEDIATLEY WITH SOAP AND WATER.
(a)
With a brush, apply lubricant (D00651) to the contact faces of the mid-span shroud of the blade. 1) Wait five minutes before you install the blade.
(b)
With a brush, apply the antigalling compound (D00247) to the contact faces of the mid-span shroud of the blade. 1) There is no cure requirement.
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