Cirrus SR20 Maintenance Manual page 79

C I R R U S
A I R P L A N E M A I N T E N A N C E M A N U A L
(a) Acquire necessary tools, equipment, and supplies.
Battery Charger
(constant potential)
CAUTION:
(b) Verify ignition switch is in OFF position and remove the key.
(c) Set BAT 1, BAT 2, and AVIONICS switches to OFF positions.
(d) Remove battery 1.
(e) Ensure battery charger is turned off.
(f) Connect battery charger positive lead to positive terminal.
(g) Connect battery charger negative lead to negative terminal.
(h) Set battery charger switch to ON position.
(i) Charge battery at 28.2 volts constant potential until charge current stabilizes for 1 hour.
(j) Set battery charger switch to OFF position. Unplug battery charger.
(k) Disconnect battery charger negative lead.
(l) Disconnect battery charger positive lead.
(m) Install battery 1.
EFFECTIVITY:
All
Description P/N or Spec.
4142
Some battery chargers will destroy the battery. Contact manufacturer for
determination of equivalent equipment.
(Refer to 24-30)
(Refer to 24-30)
Supplier
Advanced Power Products
Azusa, CA 91702
626-969-7227
M O D E L S R 2 0
Purpose
Charge Battery 1.
24-30
Page 79
04 Sep 2018