Generators & Regulators: Overhaul: Generator: Disassembly

Remove rear end cover. See Fig 1. Remove brush holder. Use generator Pulley Set Nut Wrench Set (SST 09820-63011) to remove generator pulley.
To remove pulley, install SST "A" and "B" to rotor shaft. Tighten SST "B" clockwise to 29 ft. lbs. (39 N.m). See Fig 2. Place SST "C" securely into a vise. Verify that SST "A" is secured to rotor shaft and install SST "A" and "B" and generator into SST "C". Turn SST "A" in correct direction to loosen pulley nut. To prevent damage to rotor shaft, DO NOT loosen pulley nut more than 1/2 turn. Remove generator from SST "C". Turn SST "A" and "B", remove pulley nut and pulley.
Remove coil assembly using Puller (SST 09950-40011). See Fig 3. Remove generator washer (if equipped). Remove rotor from drive end frame.

Fig 1: Exploded View Of Generator

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Fig 2: Removing Generator Pulley

Fig 3: Removing Coil Assembly