F 『
E C F M E
E E
E 56-5B E
E E
-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
4. Nicks and/or dents on leading or trailing edges. Does not include areas E.
5. Nicks and/or dents in areas E.
6. Rubbing on leading edge platform , leading edge root radius in area E.
7. Distortion of leading edges caused by overtemperature.
8. Pretwist clearances such that adjacent interlocks do not touch each other.
R 9. Tip shroud
R out-of-flush
R
R R R R R R
10. Deposit material, peeling off on airfoil.
11. Rubbing/scratches on forward face of root platform
12. Blades seal teeth wear.
F EEFF : ALL E E ECES Not more than 0.02 in.
(0.5 mm) deep
Not more than 0.01 in.
(0.25 mm) deep
Not more than 0.01 in.
(0.25 mm) deep
Not serviceable
0.1 in. (2.54 mm) max of total gap for stage 1. Not serviceable for stage 2-3.
For CFM56-5B non/P engines: not more than
0.015 in. (0.38 mm)
For CFM56-5B/P engines: not more than 0.015 in.
(0.38 mm) for stages 1, and not more than 0.031 in. (0.80 mm) for stages
3.
Any amount providedthere is no evidence ofbowing and/or melting.
Any amount
1/2 of tooth height wornif only one stage is affected. 1/3 of tooth height worn if 2 stages are affected.
『E EEESee limit extensions(Ref. TASK 72-00-00-200-025)
See limit extensions(Ref. TASK 72-00-00-200-025)
See limit extensions(Ref. TASK 72-00-00-200-025)
See limit extensions(Ref. TASK 72-00-00-200-025)
See limit extensions(Ref. TASK 72-00-00-200-025)
See limit extensions (Ref. TASK 72-00-00-200-025)
72-54-00Page 617
Aug 01/04
F 『
E C F M E
E E
E 56-5B E
E E
-------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS
-------------------------------------------------------------------------------1/4 of tooth height worn if 3 stages are affected.
Subtask 72-54-00-080-054
D. Removal of Borescope
(1) When inspection is complete, turn lamp switch off, leave main light source blower on for a while to cool lamp and housing.
(2) Remove the borescope.
Subtask 72-54-00-410-066
E. Install the Borescope Plugs
PRE SB CFMI 72-0376
(1) Apply graphite grease (Material No. CP2101) or Never Seez-Pure Nickel, Special (Material No. CP2619) to the threads of the borescope plugs S16, S17, S18, S19, S20 and install on the combustion case (S16, S17) and on the LPT case (S18, S19, S20).
END OF PRE SB CFMI 72-0376
POST SB CFMI 72-0376
(2) Apply graphite grease (Material No. CP2101) or Never Seez-Pure Nickel, Special (Material No. CP2619) to the threads of the borescope plugs S16, S17 and on the combustion case (S16, S17).
(3) Apply graphite grease (Material No. CP2101) to the threads of the self locking borescope cap assemblies S18, S19, S20 and install on the LPT case (S18, S19, S20).
END OF SB CFMI 72-0376
PRE SB CFMI 72-0376
F 『 EEFF : ALL E Page 61872-54-00
E E Aug 01/04 ERE
ECES E
F 『
E C F M E
E E
E 56-5B E
E E
R (4) TORQUE plugs to between 55 and 60 lbf.in (0.62 and 0.67 m.daN) and safety with lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
R
R END OF PRE SB CFMI 72-0376
R
R POST SB CFMI 72-0376
R
R (5) TORQUE plugs to between 55 and 60 lbf.in (0.62 and 0.67 m.daN) and R safety with lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or R lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
R (6) TORQUE self locking borescope caps assembly to between 50 and 55 R lbf.in (0.56 and 0.62 m.daN).
R NOTE : To achieve the correct installation of the self locking____
R borescope cap assembly, the slot of its ring must be
R positioned on the borescope boss lug at the final tightening.
R R END OF SB CFMI 72-0376
5. Close-up
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