Viking Pump K124A

Ensure any pressure in the chamber has been completely vented through the suction or discharge lines.

Ensure the driving means has been “locked out” or made non-operational.

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

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

Loosen the two set screws in the outer face of the bearing housing and rotate the bearing housing clockwise until it cannot be turned anymore.

Make a mark on the outside diameter of the bearing housing and a corresponding mark on the pump bracket.

Make another mark on the pump bracket as per 'Table 4' on page 14 and rotate the bearing housing counter clockwise to align the marks.

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

Lock out or make non-operational the driving means to prevent starting during maintenance.

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.

Insert brass or plastic bar through port opening between rotor teeth or lock coupling end of shaft to prevent turning.

Bend up tang of lockwasher and remove locknut and lockwasher from shaft using a spanner wrench.

Remove brass or plastic bar from port opening.

Select the pump series for relubrication

Add grease to the bracket grease fitting until it comes out of the relief fitting on the opposite side of the bracket

Select the type of lubricant used for bracket fitting

Regrease the bearing housing until grease comes out of the shaft end lip seal

Select the type of grease used for bearing housing

Ensure all necessary tools and materials are available (press, lubricant, chamfering tools).

Verify the bushing and mating part are clean and free of debris.

Apply lubricant to the bushing and mating part.

Add a chamfer on the bushing and the mating part.

Ensure the bushing is started straight.

Do not stop pressing operation until bushing is in proper position.

Ensure pressure in the chamber is completely vented

Lock out or make non-operational the driving means

Identify the liquid the pump has been handling

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

Remove valve cap and loosen locknut

Install a pressure gauge in the discharge line

Adjust the pressure setting using the adjusting screw