Piper ARCHER III Pilot Operating Handbook page 320

SECTION 9
SUPPLEMENT 6
4.Sg Ground Check Checklist
GROUND CHECK
PARK BRAKE ..................................................................................... SET
THROTTLE ............................................................................... 2000 RPM
LEFT/RIGHT MAG Check .................................. MAX. DROP 175 RPM
Oil Temperature ............................................................................. CHECK
Oil Pressure .................................................................................... CHECK
VOLTS lndication ..................................... CHECK BUS (28 +/- 1 VOLT)
ALTR AMPS Indication .............................................. CHECK NORMAL
CARE HEAT .................................................... APPROX. 75 RPM DROP
FUEL PUMP ........................................................................................ OFF
THROTTLE ................................................................................. RETARD
If E VOL TS indication less than 23.3 VOLTS during BEFORE
STARTING ENGINE Checklist:
EMERG BATT Switch ........................................................... Verify ARM
A YION MASTER Switch
AL TR Switch ....................................................................................... OFF
BA TT MASTR Switch ........................................................................ OFF
E VOLTS Indication ........................................... 23.3 VOLTS MINIMUM
If E VOLTS less than 23.3 VOLTS, determine cause of low voltage
prior to flight.
If E VOLTS Greater Than or Equal to 23.3 VOLTS:
BATT MASTR Switch .......................................................................... ON
ALTR Switch ......................................................................................... ON
A VION MASTER Switch ..................................................................... ON
Operation on one magneto should not exceed 10 seconds. A void
prolonged ground operation with CARB HEAT "ON" as the air is
unfiltered.
REPORT: VB-2749
9-42, 12 of 22
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ISSUED: December 22, 2017
PA-28-181, ARCHER ill
MAX. DIFF. 50 RPM
Verify Engine Operation
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OFF
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