Piper PA-24-250 Comanche User Manual

Amraft Publical~ons
Piper Comanche 2% (Early Model)
Section
- 4
Normal Procedures
ENGINE RUN UP
Brakes et
Warm m
Mixture
................................................................................................................... Check R~ch
** NOTE **
Above 5,000 ft density altitude, mixture should be leaned for takeoff until, and only until, any
engine roughness is eliminated.
Propeller Control
...................... .. ...................................... Check Full Forward - Increase rpm
Throttle
........................ .. ......................................................................................... 2000 rpm
** CAUTION ** Do not exceed 2200 rpm in a routine static test
Manifold Pressure
....................................................................................................... 15 in Hg
Magnetos
................................................................................................... Check Lei? and Right
Maximum Drop
- 175 rpm
Maximum Difference
- 50 rprn
Carburetor Heat
............................................................................................ Check and Clear
** CAUTION ** Avoid prolonged ground operation with carburetor heat on, as the air is unfiltered.
5.0 in Hg
+ .l or - .2 in
............................................. Check Charging
Check
Oil Pressure
........................................................................................................... Check Green
Propeller
........................................... Cycle as Needed to Circulate Oil and Operate Governor
Normal Drop
- 300 to 400 rprn
** CAUTION ** DO not exceed a 500 rprn drop for more than a few seconds at a time.
Throttle
............................................................................................................................ Retard
BEFORE TAKEOFF
Fuel Selector ..................................................................... Leave on Previously Selected Tank
Electric Fuel Pump
.............................................................................................................. On
Flaps ......................... .. ........................ Set for Takeoff (Zero, 9 or 18 Degrees as Desired)
Trim Tab
................................................ Set for Takeoff (Neutral Position for Most Operations)
Directional Gyro
............................... .. .............................................................. Set Heading
Engine Gauges
......................... .. ................................................................................. Normal
Strobe Lights
(If Installed) ................... .. ...... ............ ............................................................... On
** NOTE **
Engine is warm enough for takeoff when throttle can be opened without the engine faltering.
Copyright: 1993
Page 4-7

Piper PA-24-250 Comanche Specifications

General

Brand	Piper
Model	PA-24-250 Comanche
Category	Aircrafts
Language	English