Flowserve Pump 12-MFC-18

Recommended Grease Fill Quantities

Select the frame for lubrication

Enter re-lubrication quantity for Line Bearing (g)

Enter re-lubrication quantity for Thrust Bearing (g)

Connect grease gun to the nipple

Press grease into the bearing housing until the first signs of it appear in the gap between the housing and shaft

Record the operating temperature of the bearing housing (°C)

Is the temperature rise above ambient within 55 °C (131 °F)?

Refer to section 1.6, Safety, before dismantling the pump

Ensure genuine Flowserve replacement parts are available

Refer to sectional drawings purchased for part reference numbers

6.7.1 Preliminary to dismantling

Isolate motor and lock off electrical supply in accordance with local regulations

Isolate suction and discharge valves

Remove coupling guards and disconnect the coupling halves

Drain pump casing and remove any auxiliary piping if applicable

5.8.3 Pumps fitted with mechanical seal

Ensure no adjustment is made to the mechanical seal.

Is there any initial leakage from the mechanical seal?

Run in the pump mechanical seal using clean liquid before pumping dirty liquids, if possible.

Is the external flush or quench started before the pump is run?

Is the external flush or quench allowed to flow for a period after the pump has stopped?

Ensure the mechanical seal is not run dry, even for a short time.

Confirm no adjustment is made to the mechanical seal.

6.1.9 Maintenance of mechanical seal

Read all seal instructions before installing the seal

Ensure no scratches or marring on the lapped seal faces

Check concentricity between the bore of stuffing box and shaft sleeve

Is the concentricity within the Seal Manufacturer's tolerances?

Do the sleeve diameter and stuffing box bore dimensions agree with the seal installation drawing?

Is there visible leakage from the gland?

Ensure gland nuts are finger-tight only.

Is leakage taking place soon after the stuffing box is pressurized?

Is the gland adjusted evenly for visible leakage and concentric alignment?

Is there any sign of overheating?

Stop the pump if overheating occurs and allow it to cool.