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PA-32R-301, SARATOGA II HP
4.17 GROUND CHECK
SECTION 4
NORMAL PROCEDURES
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 within the normal
operating range at 2000 RPM. Check 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 air conditioner and the ammeter for proper operation. The
ammeter can be checked by temporary activation of the pitot heat or landing
light and observing an increase on the ammeter. .Check the annunciator panel
lights with the press-to-test button.
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. Check the alternate air.
CAUTION:
Alternate air is unfiltered. Use of alternate air during
ground or flight operations when dust or other
contaminant's are present may result in damage from
particle ingestion.
The electric fuel pump should be turned OFF briefly after starting or
during warm-up to make sure that the engine-driven pump is operating.
Prior to takeoff, the electric pump should be turned ON again to prevent Joss
of power during takeoff, should the engine-driven pump fail. Check 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.
ISSUED: JUNE 30, 1997
Dli'VT~l?n.
A
TTl!TT~T
10 1 OQR
REPORT: VB-1669
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