Cummins ISX11.9 CM2250 – Service Manual 007-035   Lubricating Oil Suction Tube (Block-Mounted)

WARNING  To reduce the possibility of personal injury, avoid direct contact of hot oil with your skin.

WARNING  Some state and federal agencies have determined that used engine oil can be carcinogenic and cause reproductive toxicity. Avoid inhalation of vapors, ingestion, and prolonged contact with used engine oil. If not reused, dispose of in accordance with local environmental regulations.

• Drain the lubricating oil system. Refer to Procedure 007-037 in Section 7.
• Remove the lubricating oil pan. Refer to Procedure 007-025 in Section 7.
• Remove the lubricating oil transfer connection. Refer to Procedure 007-061 in Section 7.

Remove the lubricating oil suction tube capscrews, suction tube, and o-ring.

Discard the o-ring.

Inspect the lubricating oil suction tube for cracks or other damage.

Inspect the o-ring grooves for cavities or other damage.

If cracks, damage, or cavities are found, the lubricating oil suction tube must be replaced.

Lubricate the new o-ring with clean 15W-40 engine oil.

Install the new o-ring on the lubricating oil suction tube.

Install the oil suction tube into the lubricating oil pump.

Install the lubricating oil suction tube capscrews.

Tighten the capscrews.

• Install the lubricating oil transfer connection. Refer to Procedure 007-061 in Section 7.
• Install the lubricating oil pan. Refer to Procedure 007-025 in Section 7.
• Fill the lubricating oil system. Refer to Procedure 007-037 in Section 7.
• Operate the engine to operating temperature and check for leaks.