PIN 9R3933 - Caterpillar

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 1 g03230839
(1) Rectifier (2) Stator
Connect and solder the stator leads to the positive (+) diodes of rectifier (1) .
Illustration 2 g03230840
(1) Rectifier (2) Stator (3) Position wave washer
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 3 g03230842
(4) Rear bearing (5) Slip ring
Install slip ring (5) on the rotor. Connect and solder the rotor leads to the slip ring (5). Install rear bearing (4) .
Illustration 4 g03230845
(6) Bearing cover (7) Spacer (8) Front bearing
Install bearing cover (6), front bearing (8), and spacer (7) on the rotor.
Illustration 5 g03230846
(9) Rotor
Install rotor (9) and the four screws into the front frame.
Illustration 6 g03230848
(10) Stator assembly (11) Rotor assembly
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 7 g03230896
(12) Pulley (13) Fan
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 8 g03230899
(14) Capacitor lead (15) Regulator
Install the capacitor and connect capacitor lead (14) to the back of the alternator.
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.