9-11155976-1CDHW0485249ES165D 9 Maintenance and Inspection9.3 Notes on Grease Replenishment/Exchange Procedures9.3.2.2 Grease Exchange(Refer to Table 9-5 "L-Axis Speed Reducer Diagram".)1. Make the L-arm vertical to the ground.2. Remove the hexagon socket head plug PT3/8 from the greaseexhaust port.3. Install a grease zerk A-PT1/8 to the grease inlet. (The grease zerk isdelivered with the manipulator.)4. Inject grease through the grease inlet using a grease gun.– Grease type: Molywhite RE No. 00– Amount of grease: approx. 1400 cc– Air supply pressure of grease pump: 0.3 MPa or less– Grease injection rate: 8 g/s or less5. The grease exchange is completed when new grease appears in thegrease exhaust port. (The new grease can be distinguished from theold grease by color.)6. Move the L-axis for a few minutes to discharge excess grease.7. Wipe the discharged grease with a cloth, and reinstall the plug. Beforeinstalling the plug, apply Three Bond 1206C on the thread part of theplug, then tighten the plug with a tightening torque of 5 N•m(0.51 kgf•m).NOTE If grease is injected with the plug on, the grease will leakinside the motor and may cause a damage. Make sure toremove the plug before the grease injection.65 of 92
