Installation Operation and Maintenance Manual

Maintenance (Continued)Table 22: Lubricating-grease requirementsPumpage temperature less than Pumpage temperature greater350°F (177°C)than 350°F (177°C)NGLI consistency 2 3Mobil Mobilux EP2 SCH32Exxon Unirex N2 Unirex N3Sunoco Mutipurpose 2EP N/ASKF LGMT 2 LGMT 3Convert from greased-for-life or regreaseable to oil-lubricated bearings1. Remove the plug from the oil-return slot in the frame located under the radial bearing. Use this tableas a guide.Pump modelSTiMTi, LTiActionRemove the epoxy from the return slot.Remove the set screw installed in the oil-return hole.2. Remove the plug from the oil-return hole in the bearing housing (134).NOTICE: For the LTi, the bearing housing (134) and clamp ring (253B) require replacement. Failureto do so may result in decreased performance.3. Replace both bearings with unshielded, oil-lubricated bearings.Table 23: Bearing typesFrameInboard bearingOutboard bearingDouble rowDuplexSTi 6207 3306 7306MTi 6309 3309 7309LTi 6311 Not applicable 73104. Remove the grease fittings (193) to prevent accidental greasing.Two plugs (408H) are required to replace the two grease fittings.761B372T408W113A408W408N228A408M319408L529408A370F241114 Model 3796 i-FRAME Installation, Operation, and Maintenance Manual