Centinel System – Repair Manual – 007-065   Lubricating Oil Fill Tube

CAUTION  Removal of the oil fill tube without loosening the tube brace capscrew is likely to cause fill tube thread breakage.

Loosen the tube brace capscrew (1).

Remove the tube brace capscrew from the gear cover (2).

Remove the oil fill tube (1) and the tube brace (2) from the oil fill tube connection (3).

A smooth, rounded end bar can be used for leverage to rotate the oil fill tube connection.

Rotate the oil fill tube connection counterclockwise to remove.

Remove the ring seals from the oil fill connection, the oil fill tube, and the oil fill tube cap.

Discard the ring seals.

Ring seals:

1. Oil fill connection ring seal
2. Oil fill tube ring seal
3. Oil fill cap ring seal.

CAUTION  Removal of the oil fill tube without loosening the tube brace capscrew is likely to cause fill tube thread breakage

Remove the tube brace capscrews from the gear cover.

Remove the oil fill tube from the oil fill tube connection.

Rotate the oil fill tube connection counterclockwise to remove. A smooth, rounded end, bar can be used for leverage to rotate the oil fill tube connection.

Remove the ring seals from the oil fill connection, the oil fill tube, and the oil fill tube cap.

Discard the ring seals.

Ring seals:

1. Oil fill connection ring seal
2. Oil fill tube o-rings
3. Oil fill cap ring seal.

Clean the oil fill connection and gear cover seal surface.

Inspect the oil fill tube and fill tube threads for cracks or other damage.

Inspect the oil fill tube sealing surfaces for cracks or other damage.

Inspect the oil fill tube extrusion for cracks or damage.

Clean the oil fill connection and gear cover seal surface.

Inspect the oil fill tube and fill tube threads for cracks or other damage.

Inspect the oil fill tube sealing surfaces for cracks or other damage.

Install a new oil fill connection ring seal.

Use clean engine oil to lubricate the oil fill connection ring seal.

Install the oil fill connection to the lower gear cover.

Install the new ring seals on the bottom of the oil fill tube (1) and on the oil fill tube cap (2).

Install the oil fill tube cap and the oil fill tube.

Install and tighten the tube brace gear cover capscrew (2).

Tighten the tube brace capscrew (1).

Install a new oil fill connection ring seal.

Use clean engine oil to lubricate the oil fill connection ring seal.

Install the oil fill connection to the lower gear cover.

Install the new o-rings on the bottom of the oil fill tube and a new ring seal on the oil fill tube cap.

Install the oil fill tube cap and the oil fill tube.

Install and tighten the tube brace gear cover capscrews.