Hartzell HC-E4 3 Series Owner's Manual page 126

(9) If the propeller is equipped with an ice protection
system that uses components supplied by Hartzell
Propeller Inc., applicable instructions and technical
information for the components supplied by Hartzell
Propeller Inc. can be found in Hartzell Propeller Inc. Ice
Protection System Manual 180 (30-61-80).
(10) Propeller ice protection system components not
supplied by Hartzell Propeller Inc. are controlled by the
applicable TC or STC holder's Instructions for Continued
Airworthiness (ICA).
(11) Install the propeller spinner dome in accordance with the
section, "Spinner Dome Installation" in this chapter.
INSTALLATION AND REMOVAL
Propeller Owner's Manual
147
61-00-47
Page 3-36
Rev. 17 Sep/20