HDB Series and M1 Series Heavy Duty Brushless Alternators Alternator - Disassemble - HDB Series Alternator Caterpillar


Alternator - Disassemble - HDB Series Alternator
`
1.1. Disassembly Procedure

Disassembly Procedure

Start By:

  1. 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.




    Illustration 1g00825178

  1. Remove pulley nut (2), washer (1), fan (3), and spacer (4) from the rotor shaft.



    Illustration 2g00825176

  1. Remove three bolts (5). Remove the rear cover.



    Illustration 3g00825175

  1. Remove two bolts (6). Disconnect the field winding leads from the regulator. Label the wires. Remove three bolts (7). Remove regulator (8) .



    Illustration 4g00825173

  1. Remove "B-" terminal (15) .

  1. Remove bolt (13). Remove grommet (11). Remove "R" terminal (12) .

  1. Loosen "B+" terminal (9). Remove four bolts (10) and disconnect the stator leads from the rectifier. Label the wires. Remove five bolts (14). Remove rectifier (16) .



    Illustration 5g00825170

  1. For proper alignment during assembly, mark the front frame, the stator, and the rear frame. Mark the locations of the stator leads in the rear frame. Remove four bolts (17). Separate rear frame (18) from front frame (19) .



    Illustration 6g00825168

  1. Mark the location of the field winding leads in the rear frame. Remove three bolts (20). Remove field coil (21) from the rear frame.



    Illustration 7g00825158

  1. Remove roller bearing (22) from the rear frame. The removal of this component requires force.



    Illustration 8g00825156

  1. The stator and the front frame remain marked. Remove stator (23) from the front frame.



    Illustration 9g00825155

  1. Remove rotor (24) from the front frame. The removal of this component requires force.



    Illustration 10g00825154

  1. Remove spacer (25) from the rotor.



    Illustration 11g00825149

  1. Remove three bolts (26). Remove retainer (27) .



    Illustration 12g00825148

  1. Remove ball bearing (28) from the front frame. The removal of this component requires force.

Information System:

312C Excavator Machine Systems Tank and Filter (Hydraulic) - Remove
305 CR Mini Hydraulic Excavator Access Door and Cover Locations
312C Excavator Machine Systems Fuel Tank - Install
HDB Series and M1 Series Heavy Duty Brushless Alternators Alternator - Assemble - HDB Series Alternator
M316C, M318C and M322C Excavators and M318C and M322C Material Handlers Swing Lock Pin Control
312C Excavator Machine Systems Fuel Tank - Remove
Procedure to Reinforce the Frame Assembly Stabilizer{7222}
325D and 329D Excavators and 325D Material Handler Machine System Specifications Fasteners - Swing Drive and Final Drive
C-9 Engine for TK711, TK721, TK722, TK732, TK741, TK751, and TK752 Track Feller Bunchers Engine Temperature Sensor Open or Short Circuit - Test
312C Excavator Machine Systems Accumulator - Remove and Install
854G and 854K Wheel Dozers and 992G, 992K and 994F Wheel Loaders VIMSTM Attachment Code - Configure
5230B Excavator Vital Information Management System (VIMS) Service Operations
305 CR Mini Hydraulic Excavator Capacities (Refill)
330B Excavator Machine System Specifications Track Carrier Roller
416D, 420D, 424D, 428D, 430D, 432D and 442D Backhoe Loaders Sound Information and Vibration Information
312C and 312C L Excavator Plate Locations and Film Locations
305 CR Mini Hydraulic Excavator Belt - Inspect/Adjust/Replace
2001/10/15 A Correction to Spacers for Installing Tire Chains on the Rear Wheels of Backhoe Loaders Are Now Available {3259, 3278, 4201}
420D and 430D Backhoe Loaders Quick Coupler Control (Loader) - If Equipped
420D and 430D Backhoe Loaders Quick Coupler Operation (Loader)
416C, 426C, 428C, 436C and 438C Backhoe Loaders Quick Coupler Operation (Backhoe) - Pin Grabber Quick Coupler (If Equipped)
305 CR Mini Hydraulic Excavator Boom and Stick Linkage - Lubricate
M316C, M318C and M322C Excavators and M318C and M322C Material Handlers Lubricant Viscosities
432D and 442D Backhoe Loaders Equipment Lowering with Engine Stopped