Viking Pump LL4224B

Ensure initial packing adjustment is done 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

Select the appropriate oil type based on temperature

Verify the correct oil quantity for each reducer size

Drain existing oil from the reducer

Refill with the correct type and quantity of oil

Is the oil filled to the proper level?

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 and remove O-Pro Barrier through bearing housing opening

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)

Bracket Grease Fitting Lubrication

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

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