Heavy Duty Machine Repair Guide: How to disassemble the Cummins M11 series engine generator drive pulley and drive unit oil seal

2026年4月16日星期四

① Remove the locating bolts on the pulley, see Figure 2-33.

② Use an ST-647 puller and two (5/16-18x2 1/2) bolts to remove the alternator drive pulley, see Figure 2-34.

③ Remove the 5 bolts, pressure ring, oil seal, and gasket, see Figure 2-35.

Figure 2-32 Removing the oil filter housing and gasket

Figure 2-33 Removing the locating bolts on the alternator pulley

Figure 2-34 Removing the drive pulley with a puller and two bolts

Figure 2-35 Removing the bolts, pressure ring, oil seal, and gasket.

Heavy Duty Machine Repair Guide