Flowserve Pump MK3 HSI 1×1.5-6

Regreasable Bearing Housing Cleaning

Check for contaminants in the bearing housing

Drain the oil from the bearing housing

Determine and describe the cause of contamination if present

Correct the cause of contamination

Ensure the work area is clean and free from dust, dirt, oil, grease

Pre-Lubrication Safety Measures

Stop the pump and lock the motor

Measure the external housing temperature

Is the external housing temperature within the acceptable range?

Remove the pipe plug from bearing locations

Enter the amount of grease for Group 2 inboard bearing

Ensure dirt and dust are removed from critical areas

Are regular checks being made in dirty or dusty environments?

Remove dirt from areas around close clearances, bearing housings, and motors in dirty or dusty environments.

Are there any oil and grease leaks making the ground slippery?

Clean the ground before starting maintenance.

Clean the exterior of the machine before starting maintenance.

Clean the ground after finishing maintenance.

Is the bearing housing operating temperature under 71°C (160°F)?

Is the external housing temperature below 82°C (180°F)?

Is the bearing temperature below 105°C (220°F)?

Oil Specifications and Precautions

Ensure the oil meets the following specifications

Is the oil a quality mineral oil with rust and oxidation inhibitors?

Is the oil Mobil DTE heavy/medium or equivalent?

Record the bearing housing operating temperature

Is the operating temperature between 80-94°C (175-200°F)?

Is the external housing temperature below 82°C (180°F)?

Oil Specifications and Precautions

Ensure oil meets the following specifications

Is the oil a quality mineral oil with rust and oxidation inhibitors (e.g., Mobil DTE heavy/medium or equivalent)?

Clean the area around the vent plug [6521]