Propeller Owner’s Manual
147
INSPECTION AND CHECK
61-00-47
Page 5-24
Rev. 17 Sep/20
(f) If abnormal blade conditions or damage are found,
additional inspections must be performed to evaluate
the condition before further flight.
1 These inspections must be performed at
a certified propeller repair station with the
appropriate rating.
(g) If cracks or failing components are found, these
parts must be replaced before further flight.
1 Report such occurrences to airworthiness
authorities and Hartzell Propeller Inc. Product
Support.
D. Blade Track
(1) If a blade track problem is suspected, examine the blade
track as follows.
(2) For -2 and -3 turbines only, move the propeller to low pitch.
(a) Remove the screws and washers that attach the
spinner dome to the engine side bulkhead.
(b) Remove the spinner dome and set it aside.
(c) Remove the forward bulkhead and spacers from the
forward end of the cylinder, if applicable.
(d) Remove the bolt, nut, and washer from the pitch
change rod, if applicable.
1 Removal of the plug and O-ring is not required
unless an early style propeller unfeathering tool
that threads internally is used.
CAUTION 1:
DO NOT ATTEMPT TO INSTALL AND
USE THE PROPELLER
UNFEATHERING TOOL WITHOUT
REMOVING THE PITCH CHANGE ROD
SAFETY BOLT. BOLT REMOVAL IS
NECESSARY TO MAKE SURE OF
ADEQUATE THREAD ENGAGEMENT
OF THE TOOL.
CAUTION 2: DO NOT ATTEMPT TO MOVE THE
PROPELLER BLADES BEYOND THE
LOW PITCH MECHANICAL STOPS, IF
APPLICABLE.
