Viking Pump H1124A

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

Rotate the bearing housing in a clockwise direction until it cannot be turned any more

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 per 'Table 4' on page 14

Rotate the bearing housing in a counter clockwise direction until the mark on the outside diameter of the bearing housing lines up with the second mark on the pump bracket

Check end clearance with feeler gauge between idler and rotor faces, if possible

Ensure the pump is turned off and disconnected from power source

Gather cleaning materials and safety equipment

Remove any visible dirt and debris from the pump exterior

Clean grease fittings to ensure they are not dirt covered

Wipe down the pump with a suitable cleaning solution

Inspect the pump for any signs of damage or wear

Recheck alignment after the pump unit is installed

Check pump ports to ensure they are square and in the proper position

Ensure piping is not forced to line up with the ports

Flexible Coupling Alignment Check

Remove any coupling guards or covers

Check alignment of the coupling halves using a straightedge across the coupling

Check alignment using a long straightedge or tightly drawn string across the face of the sheaves

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 the old oil.

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

Measure one pint of Light Refrigeration Oil.

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

Ensure all lubrication fittings are covered

Apply lubricating fluid compatible with the process fluid to O-Pro™ seals

Verify compatibility of lubricating fluid with process fluid

Contact Viking Pump® representative for specific lubrication questions

Refer to Engineering Service Bulletin ESB-515 for standard grease thickener types