24-30
Page 18
Serials 22-1602, 22-1821, 22-1840, 22-1863 & subs w/
o Perspective Avionics
EFFECTIVITY:
CIRRUS AIRPLANE MAINTENANCE MANUAL MODELS SR22 AND SR22T
15 Dec 2014
(f) Connect alternator wires to appropriate terminals.
(g) Perform Inspection/Check - Alternator 2. (Refer to 24-30)
(h) Connect battery 1. (Refer to 24-30)
(i) Install engine cowling. (Refer to 71-10)
(5) Inspection/Check - Alternator 2
(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) Visually inspect rear housing cooling slots for gray dust residue which may indicate bear-
ing failure.
(e) Verify alternator is securely mounted to engine and no oil leakage is visible around alter-
nator base.
(f) Visually inspect alternator wiring and electrical connectors for security and condition.
(g) Visually inspect output terminal and nut for dark discoloration. If discolored or corroded,
replace terminal ring on output wire.
1
Remove nut and washer securing output wire to alternator terminal.
2
Clean output terminal and nut with brass wire brush.
3
Cut old end of wire off and strip new end to obtain a clean and bright conductor.
4
Insert end of wire into terminal ring and crimp.
5
Position terminal ring on output terminal and secure with washer and nut.
Note: If it is difficult to distinguish casting features from cracks, refer to Advi-
sory Circular 43.13-1B Acceptable Methods, Techniques, and Prac-
tices - Aircraft Inspection And Repair for additional non-destructive
testing.
(h) Clean casting webs between mounting flanges and alternator housing and visually inspect
casting webs for cracks. If a crack exists in any of the four casting webs, replace alternator.
(i) Connect battery 1. (Refer to 24-30)
(j) Perform the Before Takeoff checklist as described in the Normal Procedures section of the
Pilot’s Operating Handbook.
1
Verify both ALT 1 and ALT 2 caution lights are out.
2
Verify positive amps indication for each alternator.
3
Listen for excessive noise or vibration which may indicate bearing failure.
(k) Install engine cowling. (Refer to 71-10)
C. Blast Tube - Serials 22-1602, 22-1821, 22-1840, 22-1863 & subs w/o Perspective Avionics (See
Figure 24-303)
(1) Removal - Blast Tube
(a) Remove bolt, washer, and clamp securing blast tube to alternator 2 bracket.
(b) Remove bolt, washers, spacer, and clamp securing blast tube to aft baffle.
(c) Remove hose clamp securing blast tube to aft baffle.
(2) Installation - Blast Tube
(a) Install hose clamp securing blast tube to aft baffle.
(b) Install bolt, washers, spacer, and clamp securing blast tube to aft baffle.
(c) Install bolt, washer, and clamp securing blast tube to alternator 2 bracket.
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