BHT-206A/B-SERIES-MM-1
5-00-00
30 APR 2013 Rev. 14 Page 139
Export Classification C, ECCN EAR99
5-43. 2250 HOURS OR 60 MONTHS OF COMPONENT OPERATION
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
DATE: __________________W.O. _____________________
FACILITY: __________________________________________
HELICOPTER S/N: ___________________________________
REGISTRY NO.: _____________________________________
TOTAL TIME:_______________________________________
SIGNATURE:________________________________________
TRANSMISSION
This inspection is only applicable to transmission
assemblies 206-040-004-115, -117 and subsequent
that have been operating with DOD-PRF-85734 oil
since new or since last overhaul (TB 206-04-179).
If these transmissions have been operated with
MIL-PRF-23699 or MIL-PRF-7808 oil, the
1500 Hours of Component Operation scheduled
inspection applies (paragraph 5-41).
Chapter 63 1. If installed on the helicopter, remove the transmission
assembly.
2. Remove the mast and swashplate assembly from the
transmission assembly.
3. Inspect oil filter for debris and metal contamination.
BHT-206B3-CR&O,
Chapter 63
4. Remove the transmission top case, the planetary
assembly, and the sun gear.
5. Visually examine all removed components for condition.
6. Insert a mirror between the spiral bevel gear edge and the
lower case and use a bright light to examine the spiral bevel
gear, input pinion gears, and surrounding areas for condition.
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