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RS3 RS4 Maintenance 6. Joint #2
6.1 Replacing Joint #2 Motor
Maintenance
AC Servo Motor
Parts
Hexagonal wrench
Nippers
Tools
Force gauge
Suitable cord (Length about 800 mm)
Wiping cloth
Wire tie
Material
Grease (SK-1A)
Grease
When tightening hexagon socket head cap bolts, refer to the 2.4 Tightening Hexagon Socket
NOTE
Head Cap Bolts.
Joint #2 motor
(1) Remove the Arm #1 cover.
Removal
(2) Remove the Arm #1 under cover.
(3) Disconnect the following connectors.
(4) Loosen the J2 belt.
50
Name
200 W (RS3-351*)
400 W (RS4-551*)
width across flats: 2.5 mm
width across flats: 3 mm
width across flats: 4 mm
For details, refer to 3.1 Arm #1.
For details, refer to 3.1 Arm #1.
Connectors X21, X221, XB22 (Hold the clip to
remove.)
Loosen four bolts securing the Joint #2 motor unit.
Slide the Joint #2 motor unit toward the Joint #2 side.
Quantity
Note
1
1514451
1
1514468
1
For M5 set screw
1
For M4 screw
1
For M5 screw
1
For cutting wire tie
Belt tension
1
100 N (10.2 kgf)
1
For belt tension
1
For wiping grease
4
6 g
Joint #2 motor unit
Pulley
RS series Maintenance Rev.3
4-M4×5
+ washer
J2 belt
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