TECO Electric Motor AEHH8NJP/JM

Change the oil at regular intervals

Determine the interval for oil changes based on operating conditions

Is the ambient temperature high, requiring more frequent oil changes?

Avoid operating the motor with oxidized oil

Use only good grade, oxidation-corrosion-inhibited turbine oils from reputable companies

Is the ambient temperature near or below freezing?

Preheat the oil or use special oil if necessary

Use the lubrication oil stipulated on the lubrication nameplate, if attached

Clean the interior of the bearing housing and flush with clean oil or kerosene

Wipe the bearing halves and shaft journal with a lint-free cloth soaked in clean oil

Inspect all parts for imperfections

Remove imperfections using appropriate methods such as stoning, scraping, or filing, followed by thorough cleaning

Is the floating labyrinth seal free of cracks or chips?

Ensure the bottom half seal's drilled holes are positioned at the bottom toward the inside of the bearing

Apply a bead of Curil-T around the seal half O.D.'s on both sides adjacent to the garter spring groove

Place the bottom seal half on top of the shaft and roll it into position

Check the oil level in the sight gauge

Is the oil level within the recommended operating range?

If the oil level is above the maximum, drain enough oil to bring it back within the recommended range

If the oil level is below the minimum, add oil to reach the recommended range

Investigate for oil leaks if excessive amounts of make-up oil were added

Record any issues found during the inspection

Bearing protection — tilt-pad bearings

Rotate the shaft a few revolutions

Pour in approximately one cup of oil

Inspect the check valve for any signs of wear or damage

Inspect the stop valve for any signs of wear or damage

Ensure the check valve is protecting the pump from reverse flow and excessive backpressure

Ensure the stop valve is functioning correctly during priming, starting, and shutdown of the pump

Close the stop valve before stopping the pump, especially when operated against a high static head

Record any issues found during the inspection