Viking Pump KK1224A

Ensure pump ports are square and in proper position

Shim or move the pump as required

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

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

Is there visible wear on the rotor teeth?

Refer to TSM for specific model series

Adjust end clearance to recommended specification

Measure pump capacity after adjustment

Ensure the following safety measures are in place before starting

Removal: Cartridge Mechanical Seal

Insert brass or plastic bar through port opening between rotor teeth to keep shaft from turning

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

Loosen two set screws in the face of the bearing housing and remove the bearing housing assembly from the bracket

Remove the pair of half round rings under the inner spacer collar from the shaft (AK, AL, K, KK, L, LQ, LL, LS sizes only)

Remove any flush or barrier fluid tubes connected to the seal gland

Replace or turn centering clips to original position

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

Lock out or make non-operational the driving means (motor, turbine, engine, etc.).

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 to allow pressure setting adjustment.

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

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