Viking Pump LQ1224AE

Ensure all 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 pressure in the chamber is completely vented

Lock out or make non-operational the driving means

Identify the liquid the pump has been handling and obtain MSDS

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

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

Add grease to the bracket grease fitting until it comes out of the relief fitting on the opposite side of the bracket

Select the type of lubricant used for bracket fitting

Regrease the bearing housing until grease comes out of the shaft end lip seal

Select the type of grease used for bearing housing

Select the appropriate oil type based on temperature

Verify the oil quantity for each size

Drain existing oil from the reducer

Refill with the correct type and quantity of oil

Enter the lubricant level after refill

Ensure all safety measures are in place before starting

Removal of Component 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)

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

Loosen setscrews in mechanical seal rotary member