YASKAWA MOTOMAN-MC2000 II Instructions Manual

Contents

YASKAWA MOTOMAN-MC2000 II Instructions Manual Manual pdf 47 page image

9 Maintenance and Inspection9.3 Grease Replenishment/Exchange Procedures9-10HW1483028HW14830289.3.3 Grease Replenishment/Exchange for L-axis Speed ReducerFig. 9-5: L-axis Speed Reducer Diagram9.3.3.1 Grease ReplenishmentReplenish the grease according to the following procedure. (Refer tofig. 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. Remove the hexagon socket head plug PT1/8 from the grease inlet.4. Install the grease zerk PT1/8 to the grease inlet. (The grease zerk isdelivered with the manipulator.)5. Inject grease through the grease inlet using a grease gun.– Grease type: Molywhite RE No.00– Amount of grease: 340 cc(680 cc for 1st supply)– Air supply pressure of grease pump: 0.3 MPa or less– Grease injection rate: 8 g/s or less6. Move the L-axis for a few minutes to discharge the excess grease.7. Wipe the discharged grease with a cloth and reinstall the hexagonsocket head plug PT3/8 to the exhaust port.Before installing the plug, apply Three Bond 1206C on the thread partof each plug, then tighten the plug with a tightening torque of 4.9 N•m(0.5 kgf•m).8. Remove the grease zerk from the grease inlet and reinstall thehexagon socket head plug PT1/8.Before installing the plug, apply Three Bond 1206C on the thread partof each plug, then tighten the plug with a tightening torque of 4.9 N•m(0.5 kgf•m).Grease exhaust portHexagon socket headplug PT3/8Grease inletHexagon sockethead plug PT1/8L-axis speed reducerNOTE• If grease is injected with the exhaust plug on, the greasewill leak inside the motor and may cause a damage. Makesure to remove the plug before the grease injection.• Do not install a joint, a hose, etc. to a grease exhaust port.Failure to observe this instruction may result in damage tothe motor due to coming off of an oil seal.47/69