Collector Ring End Shield Assembly - Bosch T1 Alternator Repair And Testing Instructions

7. Place rotor into the drive end bearing.
8. Place tool KDLJ 6018 onto the end of the rotor and press the rotor into the drive end bearing until the
bearing seats against the support ring.

10.3 Collector Ring End Shield Assembly

1. Pack the collector end roller bearing with 2 to 2.5 g (0.07 to 0.09 oz.) of UNIREX N3 grease.
2. Place the end shield on an arbor press.
3. Place tool KDLJ 6011 (Bosch Number 0 986 618 125) into bearing and press bearing into collector end
shield. (Figure 29)
4. Pack the bottom of the collector end housing bearing bore with an additional 2 g (0.07 oz.) of UNIREX N3
grease.
5. Coat the sealing lip of the radial lip seal and pack the seal with 2 g (0.07 oz.) of UNIREX N3 grease.
Notes: Do not assemble the alternator with a dry radial seal as this will lead to seal failure and contamination of
the brushes and collector rings.
Make sure there is no excess grease on the exterior of the seal before installation in the collector end
shield. Excess grease on the exterior of the seal will cause contamination of the collector rings and
brushes.
6. Place seal onto tool KDLJ 6011 and press the seal into the collector end shield. (Figure 29)
7. Place collector end shield in an arbor press, support mounting/pivot boss on tool KDLJ 6016. (Figure 30)
8. Coat the inside of the collector end shield bore with Molycote.
9. Place sliding bushing into place on collector end shield.
All rights rest with Robert Bosch Corp, including patent rights. All rights of use of reproduction and publication rest with R. B. Corp.
UA/ASV
Repair and Testing Instructions for T1
Alternator 0120 689 552
Figure 29 Installation of Bearing and Seal
04.12.98
Page 29
Edition 001
T1ALTFinal.DOC