CIRRUS AIRPLANE MAINTENANCE MANUAL MODELS SR22 AND SR22T
24-30
Page 43
Serials w/ MCU 19900-001
EFFECTIVITY:
(d) Remove MCU cover. (Refer to 24-30)
(e) Remove circuit board assembly.
(f) Remove screw, washers, and nut securing fuse to bus bar 10.
(g) Remove screw, washers, and nut securing fuse to current shunt.
(h) Remove fuse from MCU.
(6) Installation - Midi Fuse 10
(a) Position fuse to current shunt and secure with screw, washers, and nut.
(b) Position fuse to bus bar 10 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)
(7) Removal - Midi Fuse 19
(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 current shunt.
(g) Remove screw securing fuse to power diode.
(h) Remove fuse from MCU.
(8) Installation - Midi Fuse 19
(a) Position fuse to power diode and secure with screw.
(b) Position fuse to current shunt 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)
(9) Removal - Midi Fuse 17
(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 nuts securing 3 bus bar 11s to breakers.
(g) Remove screw securing midi fuse 7 to power diode.
(h) Remove screw securing midi fuse 19 to power diode.
(i) Remove nut and washers securing bus bar 19 to bus bar 16.
(j) Remove nuts and washers securing RH clamp to bus bar 14.
(k) Remove screw, washers, and nut securing fuse to bus bar 14.
(l) Remove screw, washers, and nut securing fuse to bus bar 17.
(10) Installation - Midi Fuse 17
(a) Position fuse to bus bar 17 and secure with screw, washers, and nut.
(b) Position fuse to bus bar 14 and secure with screw, washers, and nut.
(c) Position bus bar 14 into clamp and secure with washers and nuts.
01 Jan 2012