COUPLING AS- 2434643 - Caterpillar

Removal Procedure
Illustration 1 g02162853
Remove drain plugs (1) and (2) . Drain the engine oil into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Engine Oil and Filter - Change". Remove the O-ring seal from the drain plugs.
Remove bolts (3) and remove oil pan (4) .Installation Procedure
Install the engine oil pan (4) in reverse order.
Illustration 2 g02164497
Tightening sequence for the engine oil pan.
Tighten drain plugs (1) to a torque of 70 15 N m (52 11 lb ft).
Tighten drain plugs (2) to a torque of 90 15 N m (66 11 lb ft).
Fill the engine oil pan to the correct level that is indicated on the engine oil level gauge. Refer to the Operation and Maintenance Manual, "Refill Capacities and Recommendations" for the lubrication system capacity of the engine.