Cummins N14 STC, Celect, Celect Plus – Service Manual 007-038   Lubricating Oil Temperature Gauge

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.

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

• Drain the oil from the oil pan. Refer to Procedure 007-025 in Section 7.
• Remove the pipe plug on either side of the oil pan. Install the oil temperature gauge sending unit.
• Fill the oil pan with clean 15W-40 oil.

  Refer to Procedure 007-037 in Section 7.

Check the following for malfunctions:

• Electrical wiring broken
• Sending unit malfunction or leaking.

Use a master gauge of known accuracy to verify the reading of the suspect gauge.

Replace the sending unit or the gauge if it is malfunctioning.

• Drain the oil from the oil pan. Refer to Procedure 007-025 in Section 7.
• Remove the test gauge and replace the pipe plug.
• Fill the oil pan with clean 15W-40 oil. Refer to Procedure 007-037 in Section 7.