YASKAWA MOTOMAN-PH130F Maintenance Manual

Contents

7 Disassembly and Reassembly of the Speed Reducers7.6 Disassembly and Reassembly of T-Axis Speed Reducer7-20HW1485471HW14854717.6 Disassembly and Reassembly of T-Axis Speed Reducer• Refer to fig. 7-6(a) “Assembling View of T-axis (Disassembly andReassembly of Speed Reducer)” . Disassembly1. Turn OFF the power supply of the YRC1000.2. Unscrew the hexagon socket head cap screws , and then removethe flange .3. Unscrew the hexagon socket head cap screws , and insert the studbolt M8 (length: 20 mm or more) into the tapped hole M8 (2 places) onthe speed reducer . Screw the stud bolt into the tapped hole untilthe clearance is made between the contact surface of the wrist andthe speed reducer .4. Remove the speed reducer , gear , and shim altogether fromthe wrist .5. Unscrew the hexagon socket head cap screws , and then removethe gear , shim , and washer from the speed reducer .6. Remove the gasket from the speed reducer . Reassembly1. Adjust the shim before mounting the gear .2. Mount the gear , shim , and the gasket on the speed reducer. Tighten the hexagon socket head cap screws with thetightening torque shown in table 7-6 “T-Axis Speed Reducer PartsChecklist” .3. Apply ThreeBond 1206C between the speed reducer and the wrist. For the place to apply sealing bond, refer to "Wrist side of thespeed reducer" in fig. 7-6(b) “Surface to Apply Sealing Bond on the T-axis Speed Reducer” .4. Make sure that the speed reducer is mounted in the correct directionby referring to fig. 7-6(a) “Assembling View of T-axis (Disassemblyand Reassembly of Speed Reducer)” and mount the speed reduceron the wrist . Tighten the hexagon socket head cap screwswith the tightening torque shown in table 7-6.5. Apply ThreeBond 1206C to the contact surface of the speed reducerand the flange . For the place to apply sealing bond, refer to“Flange Side” in table 7-6(b).6. Mount the flange on the speed reducer .7. Mount the flange and speed reducer by using the hexagonsocket head cap screws , tighten them with the tightening torqueshown in table 7-6.23411011 5 61075 6 8 19 1NOTE For removing/applying of sealing bond and assembling afterapplying sealing bond, refer to chapter 5.2 “Removing,Applying, Assembling of Sealing Bond” .55 6 91 71101 10 41 33 13 1283/134