Propeller Owner’s Manual
115N
INSPECTION AND CHECK
61-00-15
Page 5-16
Rev. 24 Dec/20
CAUTION:
DO NOT ATTEMPT TO REPAIR A
CRACKED HUB.
(4) Visually inspect the hub parts for cracks, or wear. Refer
to Grease and Oil Leaks in the Inspection Procedures
section of this chapter for procedure.
(a) If a hub is cracked, refer to
a certified
propeller
repair station with the appropriate rating.
(5) Inspect all visible propeller parts for cracks, wear or
unsafe conditions.
(6) Check for oil and grease leaks.
(a) Refer to the section, "Inspection Procedures" in this
chapter for grease or oil leakage procedures.
(7) If a blade track problem is suspected, check the blade
track.
(a) Refer to Blade Track in the Inspection Procedures
section of this chapter.
(8) For (-2 and -5) feathering propellers which incorporate
an air charge in the cylinder, check pressure every
100 hours or once a month, whichever comes first.
(a) Refer to Maintenance Practices chapter of this
manual for procedures.
1 If the propeller air pressure is routinely low, or
there is engine oil leaking from the air valve, a
faulty seal in the propeller should be considered.
a A
qualified
technician at
a certified
propeller
repair station with the appropriate rating
should inspect and verify the condition of the
seal.
