FRISTAM FDS Positive Displacement Pump FDS 1

Perform preliminary flush with water

Perform caustic flush with NaOH (1-2%)

Perform intermediate flush with water

Perform acid flush with HNO3 (1%)

Check the oil level in the sight glass

Drain the old oil from the gearbox

Refill with ISO 100 synthetic oil

Verify the following post-maintenance checks

Inspect the following components for wear or damage

Is there any sign of wear on the inspected components?

Describe the wear observed, if any

Could the wear be due to over-pressurization?

Could the wear be due to incorrect screw gaps?

Could the wear be due to bearing wear?

Select the duty condition for seal replacement

Ensure all seal wear parts are replaced

Verify the installation of the new mechanical seal

Is the mechanical seal functioning correctly after replacement?

Describe any issues encountered during replacement

Inspect mechanical seal for visible leakage

Is the mechanical seal free from leakage?

Record inspection results in the maintenance log