24-30-37 Evaluation Criteria
The table below gives information about the inspection time and minimum brush length.
Operation Time of
Alternator
Brush change necessary if
below minimum length
<7 mm
replace
Brush Holder
ASSY
If the brush length is <7 mm order a new brush holder assembly E4A-91-300-000.
For each inspection of brush holder assembly E4A-91-300-000 an X (cross) has to be engraved into
the housing of alternator E4A-91-000-901. For the exact positioning of X (cross) see Chapter24-30-
50 Marking of Alternator.
After an operation time of 2400 h the whole alternator E4A-91-000-000 has to be
replaced.
ASSY Brush Holder
E4A-91-300-000
Carbon Brushes
E4A-91-300-802
>7mm <7mm
Order new brush holder from Austro
Engine & continue with chapter 2.10
Completion of Generator (Integration
of Brush Holder)
Brush holder can be used for
additonal 300h of operating time,
continue with chapter 2.9
Completion of Brush Holder
Fig. 24 - 13 Flow chart
It is not allowed to replace the carbon brushes! Only brush holder assemblies
E4A-91-300-000 provided by Austro Engine GmbH must be used for maintenance.
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