Heavy Duty Machine Repair Guide: How to disassemble the oil pan and oil lines of the Cummins M11 series engine.

2026年4月29日星期三

① Rotate the engine on the engine overhaul bench so that its side faces upward. Remove the two parts at positions 1 and 2 in Figure 2-88.

① Remove the bolts and install the guide pin, then remove the remaining 32 oil pan bolts.

② Remove the oil supply pipe from the rear-mounted oil pan (see Figure 2-89), and discard the two O-rings.

③ If the engine has a front-mounted oil pan suction pipe, remove it from the cylinder block (see Figure 2-90), and discard the O-rings.

Figure 2-86 Removing the cam follower using tools

Figure 2-87 shows the lifting cam follower assembly; remove it from the engine.

Figure 2-88 Removal of the oil pan 1, 2—bolts

Figure 2-89 Remove the oil supply pipe from the rear-mounted oil pan.

Heavy Duty Machine Repair Guide