TM 1-1520-238-23
5-162.2
Change 2
5.34A.
MAIN ROTOR STRAP PACK BORESCOPE INSPECTION – continued
ALS-150U AC/DC
HIGH INTENSITY LIGHT SOURCE
(150 W)
ATTACH TO 115VAC POWER SOURCE
OR USE 12 VOLT DC K-15 BATTERY PACK
M04-5135-1
90 DEGREE
OPTICAL ADAPTER
INDUSTRIAL
FIBERSCOPE
IF8C5
EYESHADE
MB-994
5.34A.3. Inspection Setup
a. Procedure for use of borescope. Use
inspection kit.
(1) Assemble borescope equipment per
manufacturers instructions with 90 degree
optical adapter.
(2) Position equipment on top of helicopter.
(3) Cut a piece of Dekoron tube approximately
15 INCHES long or as required.
NOTE
Ensure that articulation tip articulates ful-
ly without restriction.
(4) Insert flexible borescope tube through Deko-
ron flexible guide tube until articulation end
protrudes approximately 3 INCHES outside
flex tube to ensure articulation.
GO TO NEXT PAGE
DEKORON TUBE
M04-5135-2
TAPE HERE
3 INCHES
