Viking Pump L1224AE

Did the idler slide off the idler pin during removal?

Is there moderate wear on the idler bushing or idler pin?

Replace idler bushing and idler pin if moderate wear is detected

Ensure idler does not slide off the idler pin during head removal to prevent injury or damage

Ensure pressure in the chamber is completely vented through appropriate openings or connections.

Lock out or make non-operational the driving means (motor, turbine, engine, etc.).

Identify the liquid the pump has been handling and understand necessary safety precautions.

Obtain and review the material safety data sheet (MSDS) for the liquid.

Carefully remove valve cap covering the adjusting screw.

Loosen locknut to allow pressure setting adjustment.

Install a pressure gauge in the discharge line.

Ensure all safety measures are in place before starting

Removal of Component Mechanical Seal

Insert brass or plastic bar through port opening to keep shaft from turning

Bend up tang of lockwasher and remove locknut and lockwasher from shaft

Loosen set screws in bearing housing and remove bearing housing assembly

Remove half round rings under inner spacer collar from shaft

Loosen nuts and remove seal holder, seal seat, and seal gasket(s)

Loosen setscrews in mechanical seal rotary member

Ensure the pump is turned off and isolated from the power source

Gather necessary tools and materials, including a hand grease gun and multi-purpose grease, NLGI #2

Apply grease to the following lubrication fittings

Is the grease compatible with the grease used by Viking?

Was the lubrication applied slowly and evenly to all fittings?

Is there any excess grease around the fittings?

Select the oil type based on temperature conditions

Verify the oil quantity for each reducer size

Fill the reducer with the correct type and quantity of oil before start-up

Lubricant Change After 100 Hours

Drain the old lubricant after 100 hours of operation