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TM 10-4320-342-24
2-44. SPEED REDUCER REPLACEMENT - continued.
e. TEST. Refer to Figure 2-71.
(1)
Cut safety wire on clamp (1).
(2)
Loosen coupling (1) and slide exhaust duct (2) away from engine (3).
WARNING
Fins on turbine wheel may be sharp and cause serious injury to personnel.
CAUTION
Do not use tools or foreign objects to rotate turbine wheel or damage may occur.
(3)
Reach into engine (3) and rotate turbine wheel (4) by hand while holding output spline (5) on speed reducer (6). If
output spline (5) does not rotate while rotating turbine wheel (4), engine (3) damage has occurred. Engine must
be removed and forwarded for repair.
(4)
Position exhaust duct (2) on engine (3) and tighten clamp (1).
(5)
Torque clamp (1) nut to 33 to 37 inch-pounds.
(6)
Tap clamp outer diameter with rubber mallet and retorque clamp nut to 47 to 53 inch-pounds. K"'
(7)
Repeat tap and retorque until torque remains at 47 to 53 inch-pounds. Lock wire clamp (1).
(8)
Continue speed reducer installation para 2-44d (3).
2-170
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