INSPECTION AND CHECK
61-00-39
Page 5-4
Rev. 17 Apr/20
Propeller Owner’s Manual
139
(4) If an ice protection system is installed, visually examine
the anti-icing or de-ice boot for damage.
(a) Refer to the Anti-ice and De-ice Systems chapter
in this manual for operational checks and
troubleshooting information for Hartzell Propeller Inc.
ice protection systems.
C. Spinner Assembly and Blade Retention Components
(1) Inspect the spinner and the visible blade retention
components for damage and/or cracks.
(a) Repair or replace components as required before
further flight.
D. Hardware
(1) Check for loose or missing hardware.
(a) Retighten or reinstall as necessary.
WARNING:
ABNORMAL GREASE/OIL LEAKAGE CAN BE
AN INDICATION OF A FAILING PROPELLER
BLADE OR BLADE RETENTION COMPONENT.
AN IN-FLIGHT BLADE SEPARATION CAN
RESULT IN A CATASTROPHIC AIRCRAFT
ACCIDENT.
E. Grease/Oil Leakage
(1) Examine the face and camber-sides of the blades for
evidence of grease/oil leakage.
(2) Using an appropriate light source, examine the propeller
through the blade cut-outs in the spinner for signs of
grease/oil leakage.
(a) Spinner removal is not required for this inspection.
(b) If grease/oil leakage is found, refer to the section,
“Inspection Procedures” in this chapter.
F. Initial Run-Up
(1) Perform the Initial Run-Up procedure in accordance with
the section, “Operational Checks” in this chapter.
G. Additional Information
(1) Refer to the airframe manufacturer’s manual for
additional pre-flight checks.
(2) Refer to the section, “Inspection Procedures” in this
chapter for additional inspection/repair information.
