Hartzell HC-E3YR-7 Owner's Manual page 113

(10) Apply threadlocker CM152 to the 5/16-18UNC-3A
threads (coarse threads) on each stud.
(11) Turn the 5/16-18UNC-3A threads (coarse threads) of
a stud into each of the 5/16-18 threaded holes in the
governor mounting pad on the engine.
(12) Let the threadlocker CM152 cure for a minimum of
24 hours.
INSTALLATION AND REMOVAL
Propeller Owner's Manual
136
61-00-36
Page 3-37
Rev. 2 Feb/17