Remove the engine assembly from the excavator. (See Engine Removal And Installation on Page 60-10-11.)
The engine will have to be on an engine stand or suspended in the air safely to remove the oil pan.
Remove the oil bolts securing the oil pan (Item 1) [Figure 60-60-1]. Slightly tapping on the oil pan with a soft mallet will break lose the oil pan from the engine block.
Installation: Use a liquid gasket adhesive to the oil side of the oil pan gasket (Item 2) [Figure 60-60-1]. Tighten the oil pan bolts to 39 – 75 N•m (29 – 33 ft-lb) torque.
Remove the oil pump strainer (Item 1) and O-ring (Item 2) [Figure 60-60-2] by tapping the edge of the strainer with a soft faced hammer.