Alternator - Bosch K1/N1 Caterpillar


Alternator - Assemble

Usage:

426C 1CR

Assembly Procedure

Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause problems in the future. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.




    Illustration 1g03230839

    (1) Rectifier

    (2) Stator

  1. Connect and solder the stator leads to the positive (+) diodes of rectifier (1) .



    Illustration 2g03230840

    (1) Rectifier

    (2) Stator

    (3) Position wave washer

  1. Position the insulators on the rectifier terminal studs. Position rectifier (1), and stator (2) into the rear frame, and install the three screws. Install the terminal insulators, washers, and nuts. Position wave washer (3) into the bearing bore of the rear frame.



    Illustration 3g03230842

    (4) Rear bearing

    (5) Slip ring

  1. Install slip ring (5) on the rotor. Connect and solder the rotor leads to the slip ring (5). Install rear bearing (4) .



    Illustration 4g03230845

    (6) Bearing cover

    (7) Spacer

    (8) Front bearing

  1. Install bearing cover (6), front bearing (8), and spacer (7) on the rotor.



    Illustration 5g03230846

    (9) Rotor

  1. Install rotor (9) and the four screws into the front frame.



    Illustration 6g03230848

    (10) Stator assembly

    (11) Rotor assembly

  1. Assemble front frame and rotor assembly (11) into rear frame and stator assembly (10). Make sure that the wave washer is fixed in the rear frame bearing bore. Align the front and rear frame marks made at disassembly for correct assembly. Install the four screws.



    Illustration 7g03230896

    (12) Pulley

    (13) Fan

  1. Install the key, fan (13), pulley (12), washer, and pulley nut. Tighten the nut to a torque of:

    3E-7295 Charging Alternator Gp, and 9X-0341 Charging Alternator Gp ... 70 ± 5 N·m (52 ± 4 lb ft)

    8C-5535 Charging Alternator Gp, 7T-2876 Charging Alternator Gp, 2Y-4212 Charging Alternator Gp, and 2Y-8310 Charging Alternator Gp ... 35 ± 10 N·m (26 ± 7 lb ft)

    9W-3043 Charging Alternator Gp ... 50 ± 5 N·m (37 ± 4 lb ft)




    Illustration 8g03230899

    (14) Capacitor lead

    (15) Regulator

  1. Install the capacitor and connect capacitor lead (14) to the back of the alternator.

  1. Install regulator (15) .

End By: Install the alternator on the machine. Refer to Disassembly and Assembly, "Alternator - Install" for the machine that is being serviced.

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