BHT-206A/B-SERIES-MM-1
5-00-00
Page 128 Rev. 14 30 APR 2013
Export Classification C, ECCN EAR99
The 1200 hours of component operation inspection
is applicable to transmission 206-040-002-005 when
modifications 1 through 5 have been complied with
and completion confirmed by modification number on
transmission data plate (refer to paragraph 5-37). In
addition, transmissions 206-040-002-005, -013, and
-015 must have chip detector with warning light
installed and operational.
TRANSMISSION
Chapter 63 Remove transmission.
DISASSEMBLY
BHT-206A/B-M&O 1. Remove top case.
2. Remove ring gear.
3. Remove planetary assembly and sun gear as one
assembly.
TOP CASE
1. Fluorescent penetrant inspect top case in area of ring gear
spline tooth roots for indications of cracks. If cracks are found,
part must be replaced. It is not necessary to strip paint from
exterior of case. Use of dye-check is not recommended.
2. Determine amount of wear of top case involute spline. If
dimension measured between pins is greater than maximum,
replace top case.
3. On reassembly, ensure all inspection compound has been
removed from inside surfaces, internal oil passages, and oil
fitting bosses.
PLANETARY RING GEAR
1. Visually inspect spline and teeth of gear for chipped,
cracked, or worn teeth. Use a fine India stone to dress small
nicks, burrs, or scratches from spline and gear teeth.
5-39. 1200 HOURS OF COMPONENT OPERATION (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH INITIAL
To Next Page
Loading...
Need help?
General
