Textron Bell 206A Series, Maintenance Manual

Page: 164 / 234

BHT-206A/B-SERIES-MM-1
5-00-00
Page 134
Rev. 14 30 APR 2013 Export Classification C, ECCN EAR99
Chapter 63 TRANSMISSION
NOTE
This inspection is applicable to:
• Transmissions 206-040-002-005, -013, and -015 with
four pinion planetary (Post TB 206-75-12) provided.
Two main case electric chip detectors with cockpit
warning light are connected and operational.
• Transmissions 206-040-002-025, -027, and -029 (Post
TB 206-91-137)
NOTE
To increase the inspection interval to 2250 hours or
60 months (
paragraph 5-43 ), transmissions
206-040-004-115, -117 and subsequent must have
been operated with DOD-PRF-85734 oil since new
or since the last overhaul (Post TB 206-04-179).
• Transmissions 204-040-002-115, -117, and subsequent
(Pre TB 206-04-179)
Chapter 63 1. Remove transmission.
2. Remove mast assembly, oil filter, and housing assembly.
Inspect oil filter for debris and metal contamination.
BHT-206A/B-M&O,
BHT-206B3-CR&O,
Chapter 63 3. Remove top case, planetary, and sun gear.
4. Inspect top case, planetary assembly, sun gear, and
accessible areas of the gearshaft for condition. Pay particular
attention to the splines of the sun gear and gearshaft.
5. Install sun gear, planetary, and top case.
Chapter 63 6. Install mast, oil filter, and transmission.
SCHEDULED INSPECTIONS
5-41. 1500 HOURS OF COMPONENT OPERATION (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER