While the engine is running, the cleaning handle (A) should be rotated one or more full turns to remove the accumulated dirt from the disk stack (C).

While the engine is running, the drain plug (B) should be carefully loosened to drain the sludge from the strainer sump.

The drain plug (B) is removed to drain the sludge from the strainer sump, but the engine must be stopped to perform this operation.

While the engine is running, the cleaning handle (A) should be rotated one-half turn to remove the accumulated dirt from the disk stack (C).