BHT-412-MM-2
5-00-00
15 DEC 2015 Rev. 23 Page 165
Export Classification C, ECCN EAR99
j. Inspect end plate for damage that could cause leakage
of lubricant.
BHT-412-CR&O 6. Assemble and lubricate coupling assembly.
7. Replace TEMP-PLATE overtemperature indicators if
discolored or damaged.
Chapter 65 8. Install coupling assembly on helicopter.
COUPLING ASSEMBLY (412-040-601-105/-107/-111)
Chapter 65
BHT-412-CR&O
1. Visually examine exterior surfaces of coupling assembly
and adjacent area surfaces for evidence of grease leakage.
2. Remove coupling assembly from helicopter.
Refer to the BHT-412-CR&O for disassembly,
cleaning, assembly, inspection procedures, and wear
and damage limits.
BHT-412-CR&O 3. Clean external surfaces of coupling assembly.
BHT-412-CR&O 4. Visually inspect coupling assembly as follows:
a. Inspect hanger for evidence of wear, dents, enlarged
mounting slots, fretting, or corrosion.
CAUSE OF ANY DISCOLORATION SHALL BE
DETERMINED AND CORRECTED PRIOR TO
NEXT FLIGHT.
5-31. EACH 2500 HOURS OF TAIL ROTOR DRIVE SYSTEM OPERATION (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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