Remove the timing gearcase cover. (See Timing Gearcase Cover Removal And Installation on Page 70-100-1.)
Remove the crankshaft gear.
Remove the nut from the oil pump shaft. Use a puller to remove the oil pump gear (Item 1) [Figure 70-60-3].
Remove the oil pump mounting bolts. Remove the oil pump (Item 2) [Figure 70-60-3].
Installation: Tighten the oil pump mounting bolts to 60 – 72 in.-lb. (6,9 – 8,1 N•m) torque.