Alternator - Disassemble - M1 Series Alternator (35 Amp)
Disassembly Procedure
Start By:
- Remove the alternator from the machine. Refer to Disassembly and Assembly, "Alternator - Remove" for the machine that is being serviced.
Note: Before disassembly, clean the exterior of the alternator in order to prevent dirt from entering the unit.
- Remove the pulley nut, the washer, the pulley, the key, and the fan.
Show/hide table
Illustration 1 | g00825749 |
- For proper alignment during assembly, mark the front frame, the stator, and the rear frame.
- Remove four bolts (1). Remove front frame (3) from rear frame (4). The rotor remains connected to the front frame. Stator (5) remains connected to the rear frame.
- Remove four bolts (2). Remove the rotor from the front frame.
- Remove spacer (9), front felt washer (12), washer (11), ball bearing (8), plate (7), the rear felt washer, the rear spacer, and plate assembly (10). Remove two ball bearings (6) .
Show/hide table
Illustration 2 | g00825750 |
- Remove the rear cover.
Show/hide table
Illustration 3 | g00825751 |
- For proper assembly, mark all wires. Disconnect wire (16). Disconnect wire (14) and remove wire (14). Disconnect field winding lead (13) .
- Remove the two bolts. Remove capacitor (17). Remove regulator (15) .
- Disconnect stator leads (18). Lift rear frame (4) from the stator.
- Loosen "B+" terminal nut (20) and loosen "B-" terminal nut. Remove four bolts (22). Remove rectifier (23). Remove "R" terminal (19) .
Show/hide table
Illustration 4 | g00825752 |
- For proper assembly, mark the locations of field winding leads (13) in the rear frame. Remove three bolts (25). Remove field winding (24) from the rear frame.
Show/hide table
Illustration 5 | g00825753 |
Show/hide table
Illustration 6 | g00825227 |
Alternator Components (2) Bolts (3) Front frame (4) Rear frame (5) Stator (6) Ball bearings (7) Plate (8) Ball bearing (9) Spacer (10) Plate assembly (11) Washer (12) Felt washer (13) Field winding leads (15) Regulator (17) Capacitor (18) Stator leads (22) Bolts (23) Rectifier (24) Field winding (25) Bolts (26) Rotor |
Caterpillar Information System:
3500B Engines for 5130B and 5230B Excavators Injector Solenoids
3064 and 3066 Engines for Caterpillar Built Machines Crankcase Breather - Remove and Install
5130B Excavator Swing Bearing Bolts - Check
305 CR Mini Hydraulic Excavator Low Idle Control
5130B Excavator Swing Drive Oil - Change
3064 and 3066 Engines for Caterpillar Built Machines Camshaft Bearings - Remove
305 CR Mini Hydraulic Excavator Engine Speed Control
3500B Engines Crankshaft
3500B Engines Camshaft
3064 and 3066 Engines for Caterpillar Built Machines Camshaft - Remove
2001/07/30 A New Return Spring for the Governor Motor Improves Service Life {1408}
305 CR Mini Hydraulic Excavator Alternate Exit
M312, M315, M318 and M320 Excavators Hydraulic System Relief Valve (Signal Limiter)
M318 Excavator Hydraulic System General Testing and Adjusting Information
TK711, TK721, TK722 and TK732 Track Feller Bunchers Seat Belt - Replace
5230B Excavator Machine Electronic Control System General Information
5130B Excavator Hydraulic System Oil Level - Check
5230B Excavator Machine Electronic Control System Swing Brake Function
5130B Excavator Pump Drive Oil Level - Check
3500B Engines for 5130B and 5230B Excavators Power Shift Solenoid Circuit - Test
5130B Excavator Engine Air Filter Service Indicator - Inspect
3064 and 3066 Engines for Caterpillar Built Machines Coolant Temperature Switch - Remove and Install
3500B Engines Engine Oil Pressure is Low
3064 and 3066 Engines for Caterpillar Built Machines Engine Oil Pressure Switch - Remove and Install