Hartzell HC-E4 3 Series Owner's Manual page 121

CAUTION 1:
CAUTION 2:
(9) Install self-locking mounting nuts with washers onto the
propeller mounting studs with the chamfer on the washer
against the mounting nut. Refer to Figure 3-10.
NOTE:
(a) For applicable mounting hardware, refer to Table 3-1.
(b) If the propeller is removed between overhaul
intervals, mounting nuts and washers may be reused
if they are not damaged or corroded.
Engine Flange
Fillet
Installing the Washer on the Mounting Stud
INSTALLATION AND REMOVAL
Propeller Owner's Manual
NEW PROPELLER MOUNTING NUTS
MUST BE USED WHEN INITIALLY
INSTALLING A NEW OR OVERHAULED
PROPELLER.
THE SIDE OF THE WASHER WITH THE
OD CHAMFER MUST BE AGAINST THE
ENGINE FLANGE. REFER TO FIGURE 3-10.
The OD chamfer on the washer is for
clearance of the engine flange fillet.
OD Chamfer
Figure 3-10
147
Washer
Stud
Engine Shaft
61-00-47
Rev. 17 Sep/20
Page 3-31