CAP-BEARING 4901616 - Caterpillar

Assembly Procedure
Note: Before assembly, clean all parts in cleaning fluid. Allow the parts to air dry. DO NOT dry the parts with wiping cloths or with rags. Cloths and rags contain lint. Inspect all parts. Replace worn parts and replace damaged parts.
Illustration 1 g00825771
Put field winding (24) into the rear frame. Install three bolts.
Illustration 2 g00825773
Install "R" terminal (19). Put rectifier (23) into the rear frame. Install the four bolts. Tighten the "B+" terminal nut to the following torque: 29 8 N m (21 6 lb ft) Tighten the "B-" terminal nut to the following torque: 4.4 1 N m (39 9 lb in)
Illustration 3 g00825774
Put rear frame (4) on stator (5). Align the marks on the stator and on the rear frame. Connect the stator leads to the rectifier.
Illustration 4 g00825775
Install regulator (15) and capacitor (17). Install the two bolts.
Connect the field winding leads and connect the wire (14) to the regulator and to the capacitor. Connect the other end of the wire (14) and connect wire (16) to the rectifier.
Install the rear cover.
Illustration 5 g00825750
Install two ball bearings (6) on the rotor. Install plate assembly (10), the rear spacer, the rear felt washer, plate (7), ball bearing (8), washer (11), front felt washer (12), and spacer (9) .
Illustration 6 g00825777
Put rotor (26) into the front frame. Install the four bolts.
Illustration 7 g00825778
The rotor remains connected to the front frame. The stator remains connected to the rear frame. Put front frame (3) into the rear frame (4). Align the marks on the front frame and on the rear frame. Install the four bolts.
Install the fan, the key, the pulley, the washer, and the pulley nut. Tighten the pulley nut to the following torque: 102 7 N m (75 5 lb ft)
Restore the residual magnetism in the alternator. Refer to Testing and Adjusting, "Residual Magnetism - Restore".End By: Install the alternator on the machine. Refer to Disassembly and Assembly, "Alternator - Install" for the machine that is being serviced.