Reference Manual SK45 / SK45-30Page: 26MaintenanceMOTOMANROBOTICSAB9.10 Link arms for L- and U-axesa) Remove 1, 2 and 3 plugs for air flow. b) Inject grease into link 1, 2 and 3. c) Reinstall 1, 2 and 3 plugs for air flow.LinkLink workQua.Grease1Replenishment (first time)32 ccAlvania EP grease 21Replenishment16 ccAlvania EP grease 22 and 3Replenishment (first time)24 ccAlvania EP grease 22 and 3Replenishment12 ccAlvania EP grease 2Fig.19 Link taper roller bearing.Plug for air flowPlug for air flowPlug for air flowLink 1Link 2Link 3Link 1 Inlet G-nipple A-PT1/8 Note! Both sidesLink 3 Inlet G-nipple A-MT6x1Link 2 Inlet G-nipple A-MT6x1