Reference Manual K10Page: 20 MaintenanceMOTOMANROBOTICS AB8.8 Gear reduction set B- and T-axesAngular gears to B- and T-axes are one-time-lubricated. The bearing should change after 20.000H in operation (10 years at 1-shift).8.9 Wrist unitThe motor and feedback units are provided with the wrist unit.To prevent fumes from penetrating into the wrist unit, the matched parts are sealed with silicon sealant (Modifier Silicon Caulk). Therefore, if the wrist shaft is disassembled, reseal with silicon sealant (Modifier Silicon Caulk).When the cover on the unit have been reinstalled, tighten the bolts (M6) 9,8 Nm.Fig.18 Gear reduction set for B- and T-axes.T-axis 2nd stepT-axis 1st stepT-axisB-axisFig.19 Sealing part of wrist unitCover joining faceCover joining face