BHT-412-MM-2
5-00-00
Page 38 Rev. 16 26 FEB 2013
Export Classification C, ECCN EAR99
3. Torque check four hub and sleeve to rephasing lever
attachment bolts to 24 to 34 foot-pounds (33 to 46 Nm) for
1/2 inch bolts or 160 to 200 inch-pounds (18.08 to 22.59 Nm) for
3/8 inch bolts (if installed).
4. Torque check drive link to rephasing lever attachment bolts
to 165 to 200 inch-bolts (18.65 to 22.59 Nm).
5. Torque check pitch link elastomeric rod end bearings (as
applicable) attachment bolts to 165 to 200 inch-pounds (18.65
to 22.59 Nm).
6. Torque check swashplate support to mast plate bolts
(AN5H-6A) to 130 to 140 inch-pounds (14.67 to 15.79 Nm).
Chapter 63 MAIN ROTOR MAST
1. Inspect mast assembly for security, corrosion, and
mechanical damage.
2. Inspect mast torque sensor (if installed) installation for
security and condition
3. Inspect for evidence of oil leaks at mast bearing cap.
Chapter 63 TRANSMISSION
1. Inspect mounts for damage and security. Check boots for
condition and ensure boots are in place.
2. Inspect lift link and attachments for corrosion, damage, and
security. Check bearings for looseness.
3. Inspect for evidence of oil leakage.
4. Check all transmission chip detectors for debris and clean.
5. Test all transmission chip detectors electrical circuits.
Every third 100 hour inspection (300 hours) or 12 months:
1. Check internal oil filter or full flow oil monitor for debris and
clean.
5-6. 100 HOUR/12 MONTH INSPECTION — PART A (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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