REMOVE COMBINING TRANSMISSION AFT OUTPUT SHAFT ADAPTER ASSEMBLY
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Cloth, Cleaning (E120)
Dry Cleaning Solvent (E162)
CH-47 Helicopter Repairer (2)
Battery Disconnected (Task 1-39)
Electrical Power Off
Aft Drive Shafting Removed (Task 6-21)
Tiedown Line Installed on One Forward Rotor Blade
Remove lockring (1) from retainer (2).
Have helper hold rotor blade (3) in position with
tiedown line (4).
Remove retainer (2) from adapter assembly (5).
Remove adapter assembly (5) from output shaft
Dry cleaning solvent is flammable and
toxic. It can irritate skin and cause
burns. Use only in well-ventilated
areas, away from heat and open
flame. In case of contact, immediately
flush skin or eyes with plenty of water
for at least 15 minutes. Get medical
attention for eyes.
Clean splines of output shaft (6) using dry
cleaning solvent (E162) and cloths (E120). Wear
Inspect splines on output shaft (6) for wear. If
wear is evident, proceed as follows:
Place a straightedge (6 inch metal ruler or
equivalent) along the length of the spline,
with the ruler spanning the worn area.
Using a feeler gauge, measure the depth of
wear below the face of the spline.
If spline wear exceeds 0.005 inch, replace
END OF TASK