Viking Pump LL124A

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

Ensure the driving means is locked out or made non-operational.

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 on the adjusting screw.

Install a pressure gauge in the discharge line.

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

Thrust Bearing Adjustment Procedure

Loosen the two set screws in the outer face of the bearing housing

Rotate the bearing housing clockwise until it cannot be turned anymore

Mark the outside diameter of the bearing housing and the pump bracket

Did the idler slide off the idler pin during removal?

Is the idler bushing showing moderate wear?

Is the idler pin showing moderate wear?

Replace idler bushing if showing moderate wear

Replace idler pin if showing moderate wear

Acknowledge understanding of safety information

Apply external lubrication slowly with a hand gun to all lubrication fittings

Contact Viking Pump® representative for lubrication questions

Refer to Engineering Service Bulletin ESB-515

Are there applications involving very high or low temperatures?

Grease O-Pro™ seals every 500 hours of operation

Acknowledge understanding of safety information

Perform initial packing adjustment carefully

Is the packing gland adjusted to control leakage?

Inspect for need of packing gland adjustment or replacement

Contact Viking Pump® representative for Engineering Service Bulletin ESB-521 if repacking is needed

Is occasional packing adjustment required to maintain slight weep leakage?