BHT-206A/B-SERIES-MM-1
5-00-00
30 APR 2013 Rev. 14 Page 115
Export Classification C, ECCN EAR99
5-35. 24-MONTH INSPECTION
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
DATE: __________________W.O. _____________________
FACILITY: __________________________________________
HELICOPTER S/N: ___________________________________
REGISTRY NO.: _____________________________________
TOTAL TIME:_______________________________________
SIGNATURE:________________________________________
MAIN ROTOR FLIGHT CONTROL BOLTS/NUTS
1. Remove main rotor flight control bolts/nuts (1 through 13,
Figure 5-2).
2. Clean bolts/nuts with MEK (C-309). Wipe dry.
3. Visually inspect bolts/nuts for corrosion and thread
damage. Replace any bolts/nuts that have damaged threads,
detectable wear, and/or corrosion.
4. Apply a coating of corrosion preventive compound (C-104)
to all bolt shanks prior to installation. Do not apply corrosion
preventive compound to bolt threads.
5. Install flight control bolts and attaching hardware. Torque
nuts and install new cotter pins.
Operation in environmental conditions that erodes
corrosion preventive compound (C-101) may require
periodic touch-up of corrosion preventive compound.
Before touch-up, visually check exposed surfaces for
evidence of corrosion. If corrosion is detected,
accomplish step 1 through step 6.
6. Apply a coating of corrosion preventive compound (C-101)
to all bolt heads, washers, nuts, and exposed threads after
installation.
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