4839641 GLASS-REAR Caterpillar parts
Rating:
Alternative (cross code) number:
CA4839641
483-9641
4839641
CA4839641
483-9641
4839641
Weight: 28 pounds 12 kg.
Information:
Alternator
Illustration 1 g00706716
21-SI Sectional view (1) Fan (3) Drive frame (4) Rear frame (5) Bolts (6) Retainer (7) Bearing (8) Rotor (10) Stator (18) Brush holder (20) Regulator (24) Rectifier (28) BearingNote: The disassembly and assembly procedures are of the 9X-6796 Alternator Gp. The other 21-SI alternators are similar.Disassembly Procedure
Start By:
Remove the alternator. Refer to Disassembly and Assembly, "Alternator - Remove" for the machine that is being serviced.Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
Illustration 2 g00706834
Use a 5/16 inch allen wrench to hold the rotor shaft. Remove the pulley nut and remove the washer. Remove the pulley from the rotor shaft. A puller may be required to remove the pulley.
Remove fan (1) from the alternator.
Illustration 3 g00706866
For proper assembly, mark the alternator from drive frame (3) to rear frame (4). Remove four bolts (2). Separate drive frame (3) from rear frame (4) .
Illustration 4 g00706873
Remove three bolts (5) and remove retainer (6) from the drive frame. Remove bearing (7). It may be necessary to use a hydraulic press to remove bearing (7) from the drive frame.
Illustration 5 g00706882
Remove rotor (8) from rear frame (4) .
Illustration 6 g00706884
Remove three nuts (9) and remove stator (10) from the rear frame (4) .
Illustration 7 g00706931
Remove insulated screw (17) and remove diode assembly (14). Remove R terminal (12) and remove connector strap (13). Remove B+ terminal (11) and remove nut (16). Remove connector strap (15) .
Illustration 8 g00706922
Remove insulated screw (19) and remove screw (22). Remove brush holder (18). Remove screw (21) and remove regulator (20) .
Illustration 9 g00706939
Remove insulated screw (26) and remove screw (25). Remove capacitor (27). Remove screw (23) and remove rectifier (24) .
Illustration 10 g00706948
Remove bearing (28) from the rear frame.
Illustration 1 g00706716
21-SI Sectional view (1) Fan (3) Drive frame (4) Rear frame (5) Bolts (6) Retainer (7) Bearing (8) Rotor (10) Stator (18) Brush holder (20) Regulator (24) Rectifier (28) BearingNote: The disassembly and assembly procedures are of the 9X-6796 Alternator Gp. The other 21-SI alternators are similar.Disassembly Procedure
Start By:
Remove the alternator. Refer to Disassembly and Assembly, "Alternator - Remove" for the machine that is being serviced.Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
Illustration 2 g00706834
Use a 5/16 inch allen wrench to hold the rotor shaft. Remove the pulley nut and remove the washer. Remove the pulley from the rotor shaft. A puller may be required to remove the pulley.
Remove fan (1) from the alternator.
Illustration 3 g00706866
For proper assembly, mark the alternator from drive frame (3) to rear frame (4). Remove four bolts (2). Separate drive frame (3) from rear frame (4) .
Illustration 4 g00706873
Remove three bolts (5) and remove retainer (6) from the drive frame. Remove bearing (7). It may be necessary to use a hydraulic press to remove bearing (7) from the drive frame.
Illustration 5 g00706882
Remove rotor (8) from rear frame (4) .
Illustration 6 g00706884
Remove three nuts (9) and remove stator (10) from the rear frame (4) .
Illustration 7 g00706931
Remove insulated screw (17) and remove diode assembly (14). Remove R terminal (12) and remove connector strap (13). Remove B+ terminal (11) and remove nut (16). Remove connector strap (15) .
Illustration 8 g00706922
Remove insulated screw (19) and remove screw (22). Remove brush holder (18). Remove screw (21) and remove regulator (20) .
Illustration 9 g00706939
Remove insulated screw (26) and remove screw (25). Remove capacitor (27). Remove screw (23) and remove rectifier (24) .
Illustration 10 g00706948
Remove bearing (28) from the rear frame.
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