C7.1 Generator Set Caterpillar


Alternator - Remove

Usage:

C7.1 MRP

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
(1)     -     1/2 Inch Drive T50 Torx Bit     1    
- 1/2 Inch Drive x 8 mm Hex Drive     1    
( 1 ) Either tool may be necessary in order to remove the alternator pulley.

Start By:

  1. Remove the alternator belt. Refer to Disassembly and Assembly, "Alternator Belt - Remove and Install" for the correct procedure.

  1. Turn the battery disconnect switch to the OFF position.



    Illustration 1g02020053

  1. Place identification marks on all wiring harness connections (3). Remove nuts (4) and nut (5) .

  1. Remove harness assembly (3) from alternator (2) .

  1. Remove bolt (7) from alternator (2). Disconnect grounding strap (6) from alternator (2) .

  1. Support the weight of the alternator and remove bolts (1). Remove alternator (2) from the alternator bracket.



    Illustration 2g02022400

  1. If necessary, follow Step 6.a through Step 6.d in order to remove pulley (8) from alternator (2) .

    Note: Either of Tooling (A) may be required in order to carry out the removal of the alternator pulley.

    1. Place alternator (2) in a suitable support.

    1. Hold shaft (10) of alternator (2) with Tooling (A). Use a cranked ring spanner to loosen nut (9) .

    1. Make a temporary mark on pulley (8) in order to show the correct orientation.

    1. Remove nut (9) and pulley (8) from shaft (10) .



    Illustration 3g02022403



    Illustration 4g02022404

  1. If necessary, follow Step 7.a through Step 7.d in order to remove alternator bracket (11) from the cylinder block.

    1. If necessary, remove bolt (14) and remove flat idler pulley (13) from alternator bracket (11) .

    1. If necessary, remove belt tensioner (15) from alternator bracket (11). Refer to Disassembly and Assembly, "Belt Tensioner - Remove and Install" for the correct procedure.

    1. Remove bolts (12) from alternator bracket (11). Remove the alternator bracket from the cylinder block.

      Note: Support the weight of the alternator bracket as the bolts are removed.

    1. Note the position of dowels (16) in alternator bracket (11) .

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