Installation Operation and Maintenance Manual

Maintenance (Continued)• Impeller O-ring (412A)• Bearing-housing O-ring (496)• Outboard labyrinth-seal rotary O-ring (497F)• Outboard labyrinth-seal stationary O-ring (497G)• Inboard labyrinth-seal rotary O-ring (497H)• Inboard labyrinth-seal stationary O-ring (497J)• Lantern ring half (105) (packed stuffing box)• Stuffing box packing (106) (packed stuffing box)• Packing gland (107) (packed stuffing box)• Impeller gasket (428D) (XLT-i and i17 only)Interchangeability drawings3796 interchangeabilityTable 21: 3796 interchangeability drawingDescriptionShaft and BearingFrame AssemblyAdapter Seal Chamber Impeller Casing SizeModel 3796 STi1–3/8 in. ShaftDia. MaxBHP-40 HPModel 3796MTi 1–3/4 in.Shaft Dia. MaxBHP-122 HPModel 3796 LTi2–1/8 in. ShaftDia. MaxBHP-200 HP1x1.5-61.5x1.5-82x2-103x3-104x4-103x3-134x4-136x6-132x2-103x3-104x4-103x3-134x4-136x6-13Lubrication conversionFrame lubrication conversionNOTICE:• Never mix greases of different consistencies (NLGI 1 or 3 with NLGI 2) or with different thickeners.For example, never mix a lithium-based grease with a polyurea-based grease. Doing so may result indecreased performance.• Remove the bearings and old grease if you need to change the grease type or consistency. Failure todo so may result in equipment damage or decreased performance.Use a grease that is suitable for high temperatures when you have frame pumpage temperatures greaterthan 350°F (177°C). Ensure that mineral-oil greases have oxidation stabilizers and a consistency of NLGI3.Most pumps use Sunoco 2EP grease. High temperature units with a pumpage temperature greater than350° F (177°C) use Mobil SCH32.This table shows which brand of grease to use when lubricating the pump.Model 3796 i-FRAME Installation, Operation, and Maintenance Manual 113