TROUBLESHOOTING
Symptom
Possible Cause
Resolution
Hold one blade and lightly
tap the opposite blade with a
rubber mallet.
Bent propeller pin
Difficulty removing
Use a putty knife on both
propeller
sides of the propeller to
apply equal pressure.
Bent armature shaft
Refer to service center.
Lubricate the lock pins on
Mount bracket
Lock pins need
the mount bracket with 2‑4‑C
squeaks
lubrication
with PTFE.
32
eng