Propeller Owner's Manual
115N
INSTALLATION AND REMOVAL
61-00-15
Page 3-36
Rev. 24 Dec/20
(6) Install the propeller on the engine flange. Make certain
to align the dowel pins in the propeller flange with the
corresponding holes in the engine mounting flange.
(a) The propeller may be installed on the engine
flange in a given position, or 180 degrees from that
position. Check the engine and airframe manuals
to determine if either manual specifies a propeller
mounting position.
CAUTION 1: MOUNTING HARDWARE MUST BE CLEAN
AND DRY TO PREVENT EXCESSIVE
PRELOAD OF THE MOUNTING FLANGE.
CAUTION 2: TIGHTEN NUTS EVENLY TO AVOID HUB
DAMAGE.
(7) Install the 1/2 inch propeller mounting nuts (dry) with
washers. Refer to Table 3-1.
(a) If the propeller is removed between overhaul
intervals, mounting nuts may be reused if they are
not damaged or corroded.
(8) Torque the 1/2 inch propeller mounting nuts (dry) in
accordance with Table 3-2, Figure 3-1 and Figure 3-2.
(9) If required by the aircraft maintenance manual, safety
all mounting studs with 0.032 inch (0.81 mm) minimum
diameter stainless steel wire or equivalent aircraft
safety cable and associated hardware (two studs for
each safety).
(10) If the propeller is equipped with an ice protection system
that uses components supplied by Hartzell
Propeller Inc., applicable instructions and technical
information can be found in Hartzell Propeller Inc. Ice
Protection System Manual 180 (30-61-80).
(11) 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).
(12) Install the propeller spinner dome in accordance with the
section “Spinner Installation” in this chapter.