Propeller Owner's Manual
136
INSTALLATION AND REMOVAL
61-00-36
Page 3-41
Rev. 2 Feb/17
C. Installing the Pressure Control Unit and the Governor
(1) With the raised screen pointing away from the engine
mounting pad, install the B-1104 governor gasket over
the four studs, making sure that the screened slot and
oil flow holes in the governor gasket correctly align with
the oil holes in the governor mounting pad of the engine.
Refer to Figure 3-10.
(a) One oil flow hole in the governor gasket may not be
needed.
(2
) With the (round) flange
pointing toward the engine
governor mounting pad, install the pressure control unit.
Refer to Figure 3-7 and Figure 3-8.
(a) The pressure control unit will only install in one of
four possible orientations.
(b) Make sure that the pressure control unit, control
lever, and pressure gauge port align with the aircraft
fittings.
(3) With the raised screen pointing away from the pressure
control unit, install a second B-1104 governor gasket
over the four studs, making sure that the oil flow holes
in the pressure control unit correctly align with the
screened slot and oil flow holes in the B-1
104 governor
gasket.
(4) Install the governor over the four studs.
(a) Make sure that the semicircular screen in the B-1104
governor gasket aligns with the semicircular groove
in the governor base and that the oil ports of the
governor correctly align with the pressure control
unit and governor gasket oil flow holes(s).
(b) Push the four studs through the four holes in the
governor until the studs are through the governor
flange surface and a washer and nut can be
installed.
(5) Install a B-3851-0563 washer on each of the four studs.
(6) Turn a B-3808-5 self-locking hex nut on each stud.
