3508B, 3512B and 3516B Generator Set Engines Alternator - Remove and Install - Alternator and Mounting Group Caterpillar


Alternator - Remove and Install - Alternator and Mounting Group
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3508B, 3512B and 3516B Generator Set Engines [RENR5060]
ELECTRICAL AND STARTING SYSTEM
ALTERNATOR GP-CHARGING
3500B Engines Alternator - Remove and Install
3508B, 3512B and 3516B Generator Set Engines Alternator - Remove and Install - Alternator and Mounting Group
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

------ WARNING! ------

Personal injury can result from failure to disconnect the battery.

First, disconnect the negative battery cable. Then, disconnect the positive battery cable.

A positive power lead can cause sparks if the battery is not disconnected. Sparks can possibly result in battery explosion or fire.



NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Disconnect the batteries.

  2. Remove the belt guard.


    Illustration 1g01138494

  3. Put an index mark on all of the harness assemblies that are connected to alternator (1).

  4. Disconnect the harness assemblies from the alternator.

  5. Loosen adjusting nuts (2).

  6. Remove belt (7).

  7. Remove bolt (3). Remove bolt (5) and remove the alternator.

  8. If necessary, remove nut (4) and remove the alternator pulley from the alternator.

  9. Remove bolts (6) and remove the alternator support.

  10. Remove bolts (8). Remove pulley (9) from the accessory drive.

  11. Remove lip seal (10) and sleeve (11) from pulley (9).

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
1P-0520  Driver Group 


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 2g01138494

  1. Use Tooling (A) to install sleeve (11) on pulley (9).

  2. Use Tooling (A) to install lip seal (10). Apply clean engine oil to the lip seal. Position the pulley on the accessory drive and install bolts (8).

  3. Position the alternator support and install bolts (6).

  4. Install the pulley on alternator (1). Install nut (4) and tighten to a torque of 110 ± 10 N·m (81 ± 7 lb ft).

  5. Position alternator (1) and install bolt (5) and bolt (3). Do not tighten the bolts.

  6. Install belt (7).

  7. Adjust the belt tension and tighten adjusting nuts (2) on the adjusting rod. Refer to Operation and Maintenance Manual, "Belt Tension Chart".

  8. Tighten bolt (3) and bolt (5).

  9. Connect the harness assemblies on alternator (1). Tighten the nuts. Refer to Specifications, "Alternator and Regulator" for the torque values.

  10. Install the belt guard.

  11. Connect the batteries.

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