FRISTAM FDS Positive Displacement Pump FDS 5

Check for visible leakage around the mechanical seal

Inspect the seal for any signs of wear or damage

Record any findings or issues observed during the inspection

Clean the area around the mechanical seal

Confirm that the mechanical seal is functioning properly

Perform preliminary flush with water

Perform caustic flush with NaOH (~1-2%)

Perform intermediate flush with water

Perform acid flush with HNO3 (~1%)

Inspect the following components for wear or damage

Is there any sign of wear on the inspected components?

Describe the type of wear observed, if any

Identify potential causes of wear

Document findings in the maintenance log

Ensure the equipment is powered off and locked out

Gather all necessary tools and replacement parts

Inspect the seal housing for damage

Clean the seal housing thoroughly

Was the mechanical seal replaced successfully?

Check the oil level in the sight glass

Drain the old oil from the gearbox

Refill with ISO 100 synthetic oil