24-30
Page 48
Serials w/ MCU 14600-001, 14600-002, & 16600-001
EFFECTIVITY:
CIRRUS AIRPLANE MAINTENANCE MANUAL MODELS SR22 AND SR22T
01 Jan 2012
S. Field Control Module - Serials w/ MCU 14600-001, 14600-002, & 16600-001 (See Figure 24-307)
The ALT 1 and ALT 2 field control modules, integral to the MCU, are located on the RH side of the
MCU chassis floor.
(1) Removal - Field Control Module
(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) MCU 16600-001: Remove MCU bottom cover.
(f) Identify and disconnect wire harness from field control module.
(g) Remove screw and washer securing field control module to chassis.
(h) Ensure flange on field control module is clear of retainer bar and remove from airplane.
(2) Installation - Field Control Module
Note: Do not interchange ALT 1 and ALT 2 field control modules. Verify ALT 1 and ALT 2
field control modules are installed in correct location on chassis.
(a) Position field control module with flange under retaining bar, align over installation holes
on chassis, and secure with screw and washer.
(b) Connect wire harness to field control module.
(c) MCU 16600-001: Install MCU bottom cover.
(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)
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