Viking Pump LQ124A

Ensure all necessary tools and materials are available, including lubricant and press.

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.

Check bushing for cracks after installation.

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 pressure in the chamber has been vented through appropriate openings or connections.

Lock out or make non-operational the driving means to prevent accidental start-up.

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.

End Clearance Adjustment Procedure

Refer to TSM for specific model series procedure on adjusting end clearance.

Has the end clearance been successfully adjusted?

Verify improved pump performance after adjustment.

Ensure pressure in the chamber is completely vented

Ensure driving means is locked out or made non-operational

Identify the liquid the pump has been handling

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

Pressure Adjustment Instructions

Remove valve cap and loosen locknut

Install a pressure gauge in the discharge line

Adjust the pressure setting using the adjusting screw

Read and understand the safety information before proceeding

Ensure pump is turned off and disconnected from power source

Inspect the pump for any visible damage

Check that all grease fittings are free from dirt

Inspect and clean the pump's internal components

Reassemble the pump and ensure all parts are securely in place

Verify the pump is operating correctly after cleaning