Ground Check - Piper Dakota PA-28-236 Pilot Operating Handbook

PIPER AIRCRAFT CORPORATION
PA-28-236, DAKOTA
propeller set in low pitch, high RPM setting. While taxiing, make slight turns
to ascertain the effectiveness of the steering.
Observe wing clearances when taxiing near buildings or other stationary
objects. If possible, station an observer outside the airplane.
Avoid holes and ruts when taxiing over uneven ground.
Do not operate the engine at high RPM when running up or taxiing over
ground containing loose stones, gravel or any loose material that may cause
damage to the propeller blades.

4.19 GROUND CHECK

Set the parking brake. The magnetos should be checked at 2000 RPM
with the propeller set at high RPM. Drop off on either magneto should not
exceed 175 RPM and the difference between the magnetos should not exceed
50 RPM. Operation on one magneto should not exceed 10 seconds.
Check the vacuum gauge; the indicator should read 5.0" + .1" Hg at 2000
RPM. Check both oil temperature and oil pressure. The temperature may be
low for some time if the engine is being run for the first time of the day.
Check the annunciator panel lights with the press-to-test button. Also
check the air conditioner.
Carburetor heat should be checked prior to takeoff to be sure that the
control is operating properly and to clear any ice that might have formed
during taxiing. When the carburetor heat is ON the air to the engine is
unfiltered; therefore, avoid prolonged ground operation with the carburetor
heat ON.
The propeller control should be moved through its complete range to
check for proper operation, and then placed in full INCREASE rpm for
takeoff. To obtain maximum rpm, push the pedestal mounted control fully
forward on the instrument panel.· Do not allow a drop of more than 500 RPM
during this check. in cold weather the propeller control should be cycled
from high to low RPM at least three times before takeoff to make sure that
warm engine oil has circulated.
ISSUED: JUNE 1, 1978
REVISED: JULY 13, 1984
SECTION 4
NORMAL PROCEDURES
REPORT: VB-910
4-17