737-300 400 500 AMM 飞机维护手册 AIRBORNE AUXILIARY POWER 2(3)

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////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES /MAINTENANCE MANUAL ////////////////////////
FLEXISCOPE  75o GUIDE VANES RANGE FOR EACH 6 FLEXISCOPE CHECKING 
TORUS ASSEMBLY TURBINE  A 
B TURBINE NOZZLE  TURBINE APU RADIAL NOZZLE TURBINE CSEE  D PERMITTED ARE NOT SHROUD LIP BELOW THE THE SHROUD CRACKS IN  A  0.050 INCH (1.3 mm) ARE NOT PERMITTED OF THE GUIDE VANE THE OUTER DIAMETER OR EXTEND MORE THAN 0.050 INCH (1.3 mm) CRACKS LONGER THAN ON THE RING ARE NOT PERMITTED THAN 3 LOCATIONS OR FOUND IN MORE CRACKS LONGER THAN 
C  1 
NOZZLE RING  GUIDE VANE WIDTH 0.69 INCH (17.5 mm) OF GUIDE VANE LEADING EDGE 
VANE WIDTH PROVIDING THAT EROSION DAMAGE EROSION IS PERMITTED OVER ENTIRE GUIDE DOES NOT HAVE A YAWNING APPEARANCE  OF GUIDE VANE TRAILING EDGE 
FLANGE ARE NOT PERMITTED. MULTIPLE NON-INTERSECTING CRACKS ON NUMBER OF CRACKS. CRACKS IN NOZZLE MATERIAL BREAKAWAY. NO LIMIT TO PERMITTED AND THERE IS NO SIGN OF LEADING AND/OR TRAILING EDGE ARE  SHROUD 
1 EROSION A-A 
1A-A CRACKS 
1  APUs WITH SOLID TURBINE NOZZLE RING 
2  APUs WITH SEGMENTED TURBINE NOZZLE RING 
APU Engine Check Figure 601 (Sheet 3) 

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////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES /MAINTENANCE MANUAL ////////////////////////
CONCENTRATIONS OF SMALL CRACKS ARE PERMISSIBLE ON THE OUTER EDGE OF NOZZLE SIDE PLATES IF THEY DO NOT EXCEED 0.625 INCH
(15.8 mm) IN LENGTH ON SIDE PLATE K OR 0.75 INCH (19 mm) ON SIDE PLATE J. EITHER OR BOTH SIDE PLATES MAY BE CRACKED THROUGH THE ENTIRE WIDTH IN ONE PLACE IF THE CRACK DOES NOT
EROSION OR CORROSION DEEPER THAN GO THROUGH A VANE. SIDE PLATE CRACKS MAY EXTEND INTO VANES,
0.06 INCH (1.6 mm) ON LEADING BUT MUST NOT EXTEND ACROSS OVER 3/4 OF THE WIDTH OF MORE
EDGE OF VANE IS NOT PERMISSIBLE.

A-A EROSION  DAMAGE FROM PARTICLES STRIKING A VANE IS NORMAL. SHOWN IS NOT PERMISSIBLE. INNER VANE TRAILING EDGE ARE NOT PERMISSIBLE. DENTS IN VANES EXCEEDING 0.06 INCH (1.6 mm) DEPTH 
2  A3846484HM1 
Figure 601 (Sheet 4) APU Engine Check 

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////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES /MAINTENANCE MANUAL ////////////////////////

APU Engine Check
Figure 601 (Sheet 5)

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CRACKS SHORTER THAN
0.100 INCH (2.5 mm) ON THE TRAILING EDGE OF THE BLADE ARE PERMITTED. NO LIMIT TO THE NUMBER OF CRACKS ON THE TRAILING EDGE OF THE BLADE
CRACKS IN THE DIFFUSER HOUSING ASSEMBLY ARE NOT PERMITTED
MULTIPLE NON-INTERSECTING CRACKS ON THE MOUNTING PAD THAT ARE ADJACENT TO THE INSERTS AND DO NOT GO INTO THE DIFFUSER HOUSING ASSEMBLY ARE PERMITTED
6 O'CLOCK
DIFFUSER HOUSING ASSEMBLY
I
APU Engine Check
Figure 601 (Sheet 6)

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////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES/MAINTENANCE MANUAL ////////////////////////
　
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