Viking Positive Displacement Pump K1124A

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.

Mark valve and head before disassembly to ensure proper reassembly.

Measure and record length of extension of adjusting screw.

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 all safety measures are in place before opening the pump liquid chamber

Removal of Component Mechanical Seal

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

Bend up tang of lockwasher and remove locknut and lockwasher from shaft

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

Remove the pair of half round rings under the inner spacer collar from the shaft

Loosen nuts and remove seal holder, seal seat and seal gasket(s)

Loosen setscrews in mechanical seal rotary member

Oil Type and Quantity Verification

Verify the correct oil type based on temperature

Verify the correct oil quantity for each reducer size

Check lubricant level for A Size reducer

Check lubricant level for B Size reducer

Check lubricant level for C Size reducer

Is the lubricant level adequate for all reducer sizes?

Ensure all safety measures are in place before starting

Insert hardwood or brass through port opening to keep shaft from turning

Bend up tang of lockwasher and remove locknut and lockwasher from shaft

Loosen set screws and remove bearing housing assembly

Remove half round rings under inner spacer collar from shaft (K, KK, L, LQ, LL, and LS sizes only)

Loosen gland nuts and remove T-bolts securing the O-Pro Barrier

Thread jack bolts into tapped holes and remove O-Pro Barrier