Viking Positive Displacement Pump HL4124B

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)

Select the oil type based on temperature conditions

Verify the oil quantity for each reducer size

Drain the old lubricant from the reducer

Refill the reducer with the new lubricant to the proper level

Is the oil level correct after refilling?

Ensure all safety measures are in place before starting

Insert length of hardwood or brass through port opening 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 (K, KK, L, LQ, LL, and LS sizes only)

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

Thread the jack bolts into the tapped holes at the 6 and 12 o’clock position on the face of the O-Pro™ Barrier and remove it through the bearing housing opening

Ensure safety measures before opening any Viking pump liquid chamber

Install bracket bushing if removed due to wear

Install bracket and bushing assembly on the casing

Coat shaft of rotor/shaft assembly with light oil and insert into bracket bushing

Coat idler pin with light oil and place idler and bushing on idler pin in head

Install head and idler assembly on pump using a .010 to .015 inch thick head gasket

Install the lipseal in the bearing housing

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

Type of lubricant used for bracket grease fitting

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

Type of lubricant used for bearing housing