Viking Pump RS1324A

Ensure the following safety measures are in place before opening any Viking pump liquid chamber

Obtain and review the material safety data sheet (MSDS) for the liquid

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

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

Remove brass or plastic bar from port opening

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

Remove pair of half round rings under the inner spacer collar from the shaft (K, KK, LQ, LL, LS Sizes ONLY)

Ensure initial packing adjustment is made carefully

Was the packing gland over-tightened?

Is there a need for packing gland adjustment or replacement?

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

Is occasional packing adjustment required to maintain slight leakage?

Is it impossible to reduce leakage by gentle tightening?

Did the idler slide off the idler pin during removal?

Is there moderate wear on the idler bushing or idler pin?

Replace idler bushing and idler pin if moderate wear is detected

Ensure idler does not slide off the idler pin during head removal to prevent injury or damage

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 reducers?

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