TM 55-1510-219-MTF
TROUBLESHOOTING GUIDE J - VIBRATIONS
CONDITION
PROBABLE CAUSE
J1.
Engine vibration.
a.
Propeller damaged or blade angle slipped.
b.
Loose engine mounting bracket bolts.
c.
Compressor damaged.
d.
Turbine damaged.
e.
Cracked or deformed propeller spinner.
3-31