Viking Pump HL4124A

Ensure initial packing adjustment is made carefully

Is the packing gland over-tightened?

Does the inspection reveal the need for packing gland adjustment?

Does the inspection reveal the need for packing replacement?

Contact Viking Pump® representative for Engineering Service Bulletin ESB-521 regarding repacking pump

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

Gather necessary tools and materials, including Light Refrigeration Oil and a container for old oil

Place a container under the reservoir to catch old oil

Open the drain plug and allow the oil to completely drain out

Measure one pint of Light Refrigeration Oil

Select the oil type based on temperature conditions

Verify the oil quantity for each size

Drain the old oil from the reducer

Refill with the new lubricant to the proper level

Is the oil filled to the proper level for the selected size?

Apply multi-purpose grease, NLGI # 2, to all lubrication fittings using a hand gun.

Grease O-Pro™ seals with a lubricating fluid compatible with the process fluid.

Consultation and Compatibility Check

Contact Viking Pump® representative for specific lubrication questions.

Review Engineering Service Bulletin ESB-515 for standard grease thickener types used by Viking.

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

Rotate the bearing housing clockwise until it cannot be turned anymore

Make a mark on the outside diameter of the bearing housing

Make a corresponding mark on the pump bracket

Make another mark on the pump bracket as per 'Table 4' on page 14

Rotate the bearing housing counter clockwise until the marks align