BEECHCRAFT
Duchess
76
section
II
Limitations
Minimum Oil Pressure (Idle) 25 psi
Maximum Oil Pressure 100 psi
Minimum Fuel Pressure 0.5 psi
Maximum Fuel Pressure 8.0 psi
FUEL
Aviation Gasoline, grade 100 (green) or grade 100 LL (blue).
FUEL ADDITIVES
ALCOR TCP Concentrate, mixed according
to
the
instructions provided
by
Alcor, Inc.
OIL
Engine oils must meet Avco Lycoming Specification No.
301
F and be used in accordance with
Aveo
Lycoming I
Service Instruction NO.1 014J or subsequent revisions. Refer
to the Approved Engine Oils, Section VIII, SERVICING.
PROPELLERS
Two Hartzell, constant-speed, full-feathering, two-blade pro-
pellers: the left engine (clockwise rotating) has
an
HC-M2YR-
2CEUF hub with FC 7666A blades and C2285-3P spinner;
the right engine (counterclockwise rotating) incorporates an
HC-M2YR-2CLEUF hub with FJC 7666A blades and a
C2285-3LP spinner.
Pitch settings at the 3D-inch station:
Low,
12.1° +
.1°;
High,
lJO to
20°;
Feathered, 81° :!:
1°.
Diameter is 76 inches, with cut-off permitted
to
74.0 inches.
September,
1983
2-5
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