Hartzell HC-E4 3 Series Owner's Manual page 118

2
3
CAUTION:
4
5 If the hub flange has two 8-32 threaded holes
Attachment
screw hole
Engine Side
Hub-to-Spacer O-ring Location in the Spacer
INSTALLATION AND REMOVAL
Propeller Owner's Manual
Install the hub-to-spacer O-ring in the groove in
the spacer that interfaces with the face of the
hub flange. Refer to Figure 3-8.
Align the mounting studs and dowel pin holes in
the propeller hub flange with the mounting holes
and dowel pins in the spacer.
MAKE SURE THAT THE
HUB-TO-SPACER O-RING STAYS
IN THE GROOVE IN THE SPACER.
IF THE O-RING IS TWISTED OR
PINCHED, OIL LEAKAGE WILL
RESULT WHEN THE PROPELLER
IS OPERATED ON THE AIRCRAFT.
Put the spacer onto the mounting studs and
against the hub flange.
and two B-3868-S60 screws are provided to
attach the 106943 spacer, install the screws.
Dowel pin
Attachment
screw hole
Dowel pin
Figure 3-8
147
Engine
Side
61-00-47
Dowel pin
Propeller
Side
Dowel pin
Page 3-28
Rev. 17 Sep/20