Hartzell B-4270, Руководство пользователя

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Propeller Owner's Manual
136
INSTALLATION AND REMOVAL
61-00-36
Page 3-61
Rev. 2 Feb/17
9. Pressure Control Unit and Governor Removal
A. Disconnect the pilot control cable from the control lever that
is attached to the pressure control unit.
B. Disconnect the governor RPM control cable from the
governor control arm on the governor unit.
CAUTION:
DISCARD THE FOUR SELF-LOCKING
HEX NUTS B-3808-5 AND WASHERS
B-3851-0563 IF THEY ARE DAMAGED OR
CORRODED, OR WHEN REMOVAL IS
FOR OVERHAUL.
(1) If the governor unit and pressure control unit are
removed between overhaul intervals, the mounting nuts
and washers may be reused if they are not damaged or
corroded.
C. Loosen and remove the four B-3808-5 self-locking hex nuts
that are holding the governor unit in position.
(1) Use an open end wrench to fit a nut that is 1/2 inch
across the flats. Refer to Figure 3-8.
D. Remove the four B-3851-0563 washers that are on the
studs. Refer to Figure 3-8.
E. Remove the governor unit from the four A-3147-3 studs.
Refer to Figure 3-8.
F. Remove the B-1104 governor gasket from the four A-3147-3
studs.
(1) Discard the B-1104 governor gasket if it is damaged or if
removal is for overhaul. Refer to Figure 3-8.
G. Remove the pressure control unit from the four A-3147-3
studs. Refer to Figure 3-8.
H. Remove the A-3144-2 governor drive extension from the
engine accessory drive. Refer to Figure 3-8.
I. Remove the B-1104 governor gasket from the four A-3147-3
studs.
(1) Discard B-1104 governor gasket if it is damaged or if
removal is for overhaul. Refer to Figure 3-8.