Piper Aircraft Corporation Malibu Mirage PA-46-350P, Airplane Maintenance Manual

Page: 415 / 1956

PAGE 1
Feb 28/07 2H17
24-00-00
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
GENERAL
This section contains information to assist in servicing the electrical power distribution systems and
components. This chapter does not include autopilot or avionics service information. Refer to Chapter 91
for electrical systems schematics.
The electrical system is 28 Vdc, negative ground, consisting of:
A. Two 70-amp, Prestolite alternators ( S/N’s 4636001 thru 4636131 ) standard, or
Two 75-amp, Electrosystems alternators ( S/N’s 4636132 and up ) standard
B. Two Lamar Alternator Control Units standard
C. One Digital volt meter standard
D. Two ammeters standard
E. Dual main power distribution bus/tie bus standard
F. One 10 amp-hour lead acid battery-manifold type-Gill
(
S/N’s 4636001 thru 4636374 ) standard
One 10 amp-hour lead acid battery-recombinant gas type-Gill
(
S/N’s 4636375 and up ) standard
G. One acid recovery jar with venting overboard
(
S/N’s 4636001 thru 4636374 ) standard
H. External power provisions standard
I. Visual annunciation with alternator “OUT’’ sensors standard
Each of the dual alternators provides 28 Vdc electrical power. Both are negative grounded. The 10 amp-
hour lead acid battery is located beneath the floor of the forward baggage compartment, pilot’s side. The
battery is hard wired directly to the battery bus. An external power circuitry is provided for ground
operational requirements. The manifold-type battery (
S/N’s 4636001 thru 4636374 ) is vented overboard
through an acid recovery system.