Cirrus SR22T Maintenance Manual

24-30
Page 42
Serials w/ MCU 19900-001
EFFECTIVITY:
CIRRUS AIRPLANE MAINTENANCE MANUAL MODELS SR22 AND SR22T
01 Jan 2012
O. Midi Fuse - Serials w/ MCU 19900-001 (See Figure 24-307)
The midi fuses, integral to the MCU, are installed in five locations behind the circuit board assembly.
Midi fuses are named in accordance with the attaching bus bar.
(1) Removal - Midi Fuse 28
(a) Set BAT 1, BAT 2, and AVIONICS switches to OFF positions.
(b) Remove engine cowling. (Refer to 71-10)
(c) Disconnect battery 1. (Refer to 24-30)
(d) Remove MCU cover. (Refer to 24-30)
(e) Remove circuit board assembly.
(f) Remove screw and washers securing bus bar 28 to power diode.
(g) Remove nut, washer, and spacers securing bus bar 28 to chassis.
(h) Remove nuts, washers, and spacers securing bus bar 27 to chassis.
(i) Remove nut, washers, and screw securing fuse to current shunt.
(j) Remove nut, washers, and screw securing fuse to bus bar 28.
(k) Remove fuse from MCU.
(2) Installation - Midi Fuse 28
(a) Position fuse to bus bar 28 and secure with screw, washers, and nuts.
(b) Position fuse to current shunt and secure with screw, washers, and nut.
(c) Position bus bar 27 to chassis and secure with spacers, washers, and nuts.
(d) Position bus bar 28 to chassis and secure with spacers, washer, and nut.
(e) Position bus bar 28 to power diode and secure with screws and washers.
(f) Install circuit board assembly.
(g) Install MCU cover. (Refer to 24-30)
(h) Connect battery 1. (Refer to 24-30)
(i) Perform Operational Inspection - Master Control Unit. (Refer to 24-30)
(j) Install engine cowling. (Refer to 71-10)
(3) Removal - Midi Fuse 18
(a) Set BAT 1, BAT 2, and AVIONICS switches to OFF positions.
(b) Remove engine cowling. (Refer to 71-10)
(c) Disconnect battery 1. (Refer to 24-30)
(d) Remove MCU cover. (Refer to 24-30)
(e) Remove circuit board assembly.
(f) Remove screw, washers, and nut securing fuse to bus bar 18.
(g) Remove screw securing fuse to power diode.
(h) Remove fuse from MCU.
(4) Installation - Midi Fuse 18
(a) Position fuse to power diode and secure with screw.
(b) Position fuse to bus bar 18 and secure with screw, washers, and nut.
(c) Install circuit board assembly.
(d) Install MCU cover. (Refer to 24-30)
(e) Connect battery 1. (Refer to 24-30)
(f) Perform Operational Inspection - Master Control Unit. (Refer to 24-30)
(g) Install engine cowling. (Refer to 71-10)
(5) Removal - Midi Fuse 10
(a) Set BAT 1, BAT 2, and AVIONICS switches to OFF positions.
(b) Remove engine cowling. (Refer to 71-10)
(c) Disconnect battery 1. (Refer to 24-30)

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