Textron Bell 412, Руководство по обслуживанию

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BHT-412-MM-2
5-00-00
Page 142
Rev. 23 15 DEC 2015 Export Classification C, ECCN EAR99
Chapter 32 7. Inspect the abrasion strips (2) for de-bonding. If
de-bonding is found refer to Chapter 32 for repair instructions.
NOTE
Complete edge sealing is required to prevent
contamination of the bond between the crosstube
and upper and lower supports (4 and 6).
8. Inspect the sealant bead around the periphery of the
upper and lower supports (4 and 6) for condition. If the sealant
bead has been damaged, investigate further.
Chapter 32 9. Inspect crosstube lower support (6) and abrasion strip (5)
for signs of looseness or debonding. If looseness or debonding
is found, refer to Chapter 32 for repair instructions.
NOTE
The upper support (4) on the aft crosstube (3) is
bonded with structural adhesive and is not designed
to be removed.
Chapter 32 10. Inspect the upper support (4) for signs of looseness or
debonding. If looseness or debonding is found refer to Chapter
32 for repair instructions.
CAUTION
PROTECT ABRASION STRIPS AND UPPER AND
LOWER SUPPORTS FROM PAINT REMOVER
CONTAMINATION.
11. Prepare the aft crosstube for the inspection by removing
the paint on the crosstube in the area indicated in Figure 5-5
with the exception of the abrasion strip areas and the upper
and lower supports.
BHT-ALL-SPM 12. Apply paint remover (C-436) to the crosstube with a brush
following manufacturer’s directions and the BHT-ALL-SPM.
SPECIAL INSPECTIONS
5-26. EACH 12 MONTHS OR 2500 LANDINGS OF AFT HIGH CROSSTUBE OPERATION (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER