Viking Gear Pump E12

SPECIAL INFORMATION — PRESSURE RELIEF VALVES

Verify pump operation direction

Ensure pressure protection on both sides if pump rotation is reversed

Confirm pressure relief valve is not used to control flow or regulate pressure

Verify installation and setting of pressure relief valve

Relieve pressure from the piping system

Clean and chemically neutralize hazardous materials

Ensure safety from magnetic fields

Vent pressure from the pump chamber

Lock out the driving means (motor, turbine, engine, etc.)

Identify the liquid handled by the pump and necessary precautions

Close all suction and discharge valves

Inspection & Wear Limits — Bearings

Inspect bearing bores and end surfaces for wear and scoring

Is wear or scoring present on the end surface of the bearing?

Can the bearing be flipped to expose the undamaged face to the gear side?

Do both ends show wear and/or scoring?

Enter the bore wear measurement for the bearing

Has the bore wear reached the replacement limit?

Is the pump to be stored or not used for six months or more?

Apply a light coat of light oil to all internal pump parts

Apply grease to the pump shaft extension

Tighten all pump assembly bolts before putting the pump in service after being stored

Inspection & Wear Limits — Shafts

Are there any cracks or chips on the shaft surface?

Has the shaft reached its replacement limit?

Describe any observed issues or defects