Detroit Diesel 4000 Series, Service Manual, Page: 1692 / 2706

SERIES 4000 12/16V SERVICE MANUAL
C 213.05.08 – INSPECTION AND REPAIR
Perform the following steps to inspect and repair the battery charging alternator:
1. Clean all components and visually inspect for damage.
[a] If components are damaged, replace as necessary.
[b] If components are not damaged, continue inspection.
2. Visually inspect outside of alternator for damage and defects.
[a] If outside of alternator shows damage or defects, replace as necessary.
[b] If outside of alternator does not show damage or defects, continue inspection.
3. Inspect individual parts of alternator for damage or wear.
[a] If individual parts of alternator show damage or wear, repair in accordance with
OEM Guidelines.
[b] If individual parts of alternator do not show damage or wear, continue inspection.
4. Visually inspect all mating surfaces for wear or damage.
[a] If mating surfaces show damage or wear, rub down with oilstone or emery cloth
as necessary.
[b] If damage or wear is beyond repair, replace component as necessary.
[c] If mating surfaces do not show damage or wear, continue inspection.
5. Visually inspect threads for damage or wear.
[a] If threads are worn or damaged, rechase as necessary.
[b] If components are beyond repair, replace as necessary.
[c] If threads do not show damage or wear, continue inspection.
6. Inspect alternator drive for abnormal running noises.
[a] If alternator drive exhibits abnormal running noises, replace component if necessary.
[b] If alternator does not exhibit abnormal running noises, continue inspection.
7. Always replace V-belt during major overhaul.
All information subject to change without notice.
C -1546
Copyright © DETROIT DIESEL CORPORATION