Textron Bell 412 - HIGH AFT CROSSTUBE ASSEMBLIES (412-050-011-ALL AND 412-050-045-ALL) FLUORESCENT PENETRANT INSPECTION

BHT-412-MM-2
5-00-00
15 DEC 2015 Rev. 23 Page 141
Export Classification C, ECCN EAR99
HIGH AFT CROSSTUBE ASSEMBLIES (412-050-011-ALL
AND 412-050-045-ALL) FLUORESCENT PENETRANT
INSPECTION
BHT-ALL-SPM
NOTE
The Fluorescent Penetrant Inspection shall be
accomplished by persons meeting the personnel
qualification and certification requirements of
BHT-ALL-SPM (Chapter 6). Bell Helicopter trained
Level 1 Special individuals are qualified to perform
this inspection.
Chapter 32
ASB 412-09-135
1. Remove the landing gear assembly.
2. Remove the aft crosstube from the landing gear assembly.
3. Remove the support beam assembly from the high aft
crosstube assembly.
4. Remove the hardware retaining the left and right clamp
assemblies (1, Figure 5-5) on the crosstube.
CAUTION
CROSSTUBE TEMPERATURE NOT TO EXCEED
200ºF (93.3ºC). EXCESSIVE HEAT WILL DAMAGE
CROSSTUBE.
5. Use a heat gun to soften sealant bonding the clamp
assembly (1) to the aft crosstube (3).
6. Separate the clamp assembly (1) from the aft
crosstube (3) and abrasion strip (2).
NOTE
Removal of the abrasion strips (2) from the aft
crosstube (3) is not necessary to accomplish the
Fluorescent Penetrant Inspection.
SPECIAL INSPECTIONS
5-26. EACH 12 MONTHS OR 2500 LANDINGS OF AFT HIGH CROSSTUBE OPERATION (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER