Flender/Flender Gear Units/Bevel-helical gear box B3
perating temperatures will also require more frequent relubrication . * Synthetic recommendation is exclusively for Klubersynth UH1 6-4 . The

synthetic lubricant will perform at temperatures considerably higher than 2F . However, the factory should always be consulted prior to

operating at higher temperatures, as damage may occur to oil seals and other components . ** Model R1 unit only

is pre-lubricated with 5 oz of AGMA 5 EP Gear Lubricant .Standard mounting is with all shafts horizontal to the

floor . R1 series units are provided with two pipe plugs and are non-vented . This allows the R1 series to be mounted in any position without the need of moving plugs . Models R1, R1, R1, and R1 have ( pipe plugs, oil vent-filler and oil drain, and should only be mounted in the horizontal position . All other models have ( pipe plugs, oil vent-filler, level, drain, and are horizontal mount also . They may also be mounted with shaft vertical down but are limited to oil vent-filler and oil level control no oil drain plugs . Drives used in vertical mounting application may require additional pipe plugs and/or grease fittings for proper lubrication and are considered special . The R1 Series right angle drives with forged gear teeth may have somewhat higher noise level at the higher speed range and also more backlash as compared with our and VR 1 and 2 Series right angle spiral gear drives . On models where types , & are stocked, these can be easily converted, by the customer to types , & respectively by simply rotating the unit 1 to its opposite mounting surface and also switching the pipe plugs for vent and drain on all series except R1 . The R1 unit is sealed and does not have vented plug .1 CLOCKWISE (CW) AND COUNTERCLOCKWISE (CCW) NOTATIONS INDICATE DIRECTION OF ROTATION OF SHAFTS WHEN FACING OUTER END OF SHAFT EXTEN - SIONS. 2 ARROWS SHOWN ON DRAWINGS ARE OVER THE TOP OF SHAFT EXTENSIONS.3 THE LETTERS , , , SHOWN ADJAC