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BHT-206L4-MM-1
5-40.
1500 HOURS OF COMPONENT OPERATION (CONT)
DATA REFERENCE
Chapter 63
BHT-206L-CR&O
Chapter 63
Chapter 12
5-00-00
Page 120
Rev. 16 1 JUN 2012
SCHEDULED INSPECTIONS
INSPECTION TASK DESCRIPTION
TRANSMISSION
This
inspection
assemblies
that
MIL-PRF-7808 oil since new or since last overhaul.
To increase the inspection interval to 2250 Hours or
60 months, the transmission must have been
operated with DOD-PRF-85734 oil since new or
since the last overhaul (TB 206L-04-213).
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.
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.
7.
Reassemble the transmission.
8.
Install the mast and swashplate assembly into the
transmission assembly.
9.
Apply sealant, primer, and paint to the required areas.
10. Install the transmission assembly into the helicopter.
11. Service the transmission with oil.
NOTE
is
applicable
to
transmission
have
been
operated
INITIAL
MECH
OTHER
with
ECCN EAR99
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