Cirrus SR22T Maintenance Manual

CIRRUS AIRPLANE MAINTENANCE MANUAL MODELS SR22 AND SR22T
24-30
Page 67
All
EFFECTIVITY:
CAUTION: Do not charge battery in airplane or within 10 feet of a fuel servicing area. The
battery cell caps must be installed during charging.
(a) Acquire necessary tools, equipment, and supplies.
(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. (Refer to 24-30)
(e) Perform Battery 1 Electrolyte Specific Gravity Check. (Refer to 12-10)
(f) Ensure battery cell caps are installed and battery charger is turned off.
(g) Connect battery charger positive lead to positive terminal.
(h) Connect battery charger negative lead to negative terminal.
(i) Set battery charger switch to ON position.
(j) Charge battery at 3-amp rate until cells are gassing. Once cells start gassing, reduce rate
of charge to 1.5 amps.
Note: Allow 18 to 24 hours to fully charge battery. During charging, maintain elec-
trolyte temperature between 60 - 110°F.
(k) Charge battery until voltage and specific gravity readings are constant over three readings
taken at 1/2-hour intervals.
(l) Set battery charger switch to OFF position. Unplug battery charger.
(m) Disconnect battery charger negative lead.
(n) Disconnect battery charger positive lead.
(o) Install battery 1. (Refer to 24-30)
(5) Inspection/Check - Battery 1 Charging - Serials w/ Concorde Battery
If the airplane is parked for long periods of time, the battery may become discharged. The bat-
tery may be recharged using a constant potential charger.
CAUTION: Do not charge battery in airplane or within 10 feet of a fuel servicing area.
(a) Acquire necessary tools, equipment, and supplies.
CAUTION: Some battery chargers will destroy the battery. Contact manufacturer for
determination of equivalent equipment.
(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. (Refer to 24-30)
Description P/N or Spec. Supplier Purpose
Battery Charger (constant-
voltage)
24 Volt Any Source Charge Battery 1.
Description P/N or Spec. Supplier Purpose
Battery Charger
(constant potential)
4142 Advanced Power Products
Azusa, CA 91702
626-969-7227
Charge Battery 1.
01 Jan 2012

Cirrus SR22T Specifications

General

Manufacturer	Cirrus Aircraft
Engine	Continental TSIO-550-K
Horsepower	315 hp
Max Takeoff Weight	3, 600 lbs
Service Ceiling	25, 000 ft
Cabin Width	49 in
Cabin Height	50 in
Seating Capacity	4
Avionics	Cirrus Perspective+ by Garmin
Category	Single-engine piston aircraft
Propeller	Hartzell 3-blade composite
Wingspan	38 ft 4 in
Length	26 ft
Height	8 ft 11 in
Maximum Cruise Speed	213 KTAS
Fuel Capacity	92 gallons
Stall Speed	64 knots
Safety Features	Cirrus Airframe Parachute System (CAPS)
Cruise Speed	183 knots