Chapter 24-00-00 Electrical Power
24-00-01 General
For general description of the Electrical Power System refer to the E4 Operation Manual E4.01.01 -
Chapter 7 or E4P Operation Manual E4.01.02 Chapter 6.
During all work on the electrical system the power supply must be disconnected. First
disconnect the negative pole and second the positive pole of the battery. For
connection proceed in the reverse way.
24-30-00 Alternator E4A-91-000-000
Fig. 24 - 1 Alternator E4A-91-000-000
24-30-01 Replacement of Alternator E4A-91-000-000
An Alternator replacement from type E4A-91-000-000 to E4A-91-400-000 is only
allowed once on the used engine harness. For the replacement only an approved
repair kit is allowed to be used.
An exchange from alternator E4A-91-400-000 back to its predecessor E4A-91-000-000
is not permitted.
24-30-10 Removal of the Alternator E4A-91-000-000
1. Disconnect the battery according to the applicable Aircraft Maintenance Manual.
2. Remove the power line from the B+ terminal according to the applicable Aircraft
Maintenance Manual.
3. Remove the electrical line [1] marked with “GEN/G2”.
4. Remove the drive belt - refer to Chapter 85-40-11.
5. Remove the screws [2] and [4].
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