Cessna 172 P - Power Plant Limitations

POWER PLANT LIMITATIONS
-Engine Manufacturer:
Avco Lycoming.
-Engine Model Number:
O-320-D2J.
-Maximum Power:
160 BHP rating.
-Engine Operating Limits or
Takeoff and continous
Operations:
Maximum Engine Speed:
2700 RPM.
Maximum Oil Temperature:
245°F (118°C).
-Oil Pressure
Minimum: 25 psi.
Maximum: 115 psi.
-Fuel Grade: See Fuel
Limitations.
-Oil Grade (Specification):
MIL-L-6082 Aviation Grade
Streight Mineral Oil or MIL-
L-22851 Ashless Dispersant
Oil.
-Propeller Manufacturer:
McCauley Accessory
Division.
Propeller Model Number:
1C160/DTM7557.
-Propeller Diameter,
Maximum: 75 inches.
Minimum: 74 inches.
NOTE:
The static RPM range at full
throttle (carburetor heat off
and mixrure leaned to maximize
RPM) is 2300 tp 2420 RPM.
POWER PLANT INSTRUMENT MARKINGS
Power plant instrument markings
and their color code significance
are shown in figure 2-3
Figure 2-3 Power Plant Instrument Markings
Tachometer:
Sea Level
5000 Feet
10000 Feet
Oil Temperature
Oil Pressure
Fuel Quantity
(Standard
Tanks)
Fuel Quantity
(Long Range
Tanks)
Fuel Quantity
(Integral
Tanks)
Suction
- - -
- - -
25 psi
E
(1.5 gal. Unusable
Each Tank)
E
(2.0 gal. Unusable
Each Tank
R
(3.0 gal. Unusable
Each Tank)
- - -
2100-2450 RPM
2100-2575 RPM
2100-2700 RPM
100°-245°F
60-90 psi
- - -
- - -
- - -
4.5 - 5.5 in. Hg
2700 RPM
245°F
115 psi
- - -
- - -
- - -
- - -
INSTRUMENT
RED LINE GREEN ARC RED LINE
MINIMUM NORMAL MAXIMUM
LIMIT OPERATING LIMIT
FLIGHT SIMULATION USE ONLY
LIMITATIONS
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