YASKAWA MOTOMAN-PH130F - Disassembly and Reassembly of B-Axis Speed Reducer

7 Disassembly and Reassembly of the Speed Reducers
7.5 Disassembly and Reassembly of B-Axis Speed Reducer
7-16
HW1485471
HW1485471
7.5 Disassembly and Reassembly of B-Axis Speed Reducer
• Refer to fig. 7-5(a) “Disassembly and Reassembly of the B-Axis
Speed Reducer” .
 Disassembly
1. Turn OFF the power supply of the YRC1000.
2. Unscrew the hexagon socket head cap screws , and then remove
the cover .
3. In order to prevent the B-axis from rotating, fixing the B-axis is
necessary before removing the speed reducer .
4. Unscrew the hexagon socket head cap screws and , and insert
the stud bolt M10 (length: 25 mm or more) into the tapped hole M10 (2
places) on the speed reducer . Screw the stud bolt into the tapped
hole until clearance is made between the contact surface of the wrist
and the speed reducer .
5. Remove the speed reducer , shim , gear , bearing , and
O-ring altogether from the wrist .
6. Unscrew the hexagon socket head cap screws , and remove the
shim , gear , and bearing from the speed reducer .
(When removing the gear , use the tapped holes.)
 Reassembly
1. Adjust the shim before mounting the gear .
2. Mount the bearing , shim , and gear on the speed reducer
, and then tighten the hexagon socket head cap screws with the
tightening torque shown in table 7-5 “B-Axis Speed Reducer Parts
Checklist” .
3. Apply ThreeBond 1206C to the contact surface of the speed reducer
and the wrist . For the place to apply sealing bond, refer to
fig. 7-5(b) “Surface to Apply Sealing Bond on the B-Axis Speed
Reducer” .
4. Tighten the hexagon socket head cap screws and with the
tightening torque shown in table 7-5.
5. Mount the O-ring and cover on the speed reducer , and
then tighten the hexagon socket head cap screws with the
tightening torque shown in table 7-5.
3
2
1
4
6
1
10
1
1
8
9
11
5
10
7
8
9
11
1
9
NOTE
For removing/applying of sealing bond and assembling after
applying sealing bond, refer to chapter 5.2 “Removing,
Applying, Assembling of Sealing Bond” .
9
11
8
9
1
7
1
10
4
6
5
2
1
3
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