Epson RS Series, Руководство по обслуживанию

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RS3 RS4 Maintenance 8. Joint #4
RS series Maintenance Rev.3 77
8.3 Replacing the Reduction Gear Unit
Name Quantity Note
Maintenance
parts
Reduction Gear Unit 1 1510322
Tools
Hexagonal wrench
width across flats: 1.3 mm 1 For M2.5 set screw
width across flats: 2 mm 1 For M2.5 screw
Nippers 1 For cutting wire tie
Material
Wire tie 1
W hen tightening hexagon socket head cap bolts, refer to the 2.4 Tightening Hexagon Socket
Head Cap Bolts.
Joint #4
reduction gear
unit
Removal (1) Remove the Joint #4 motor unit from Arm #2 and remove the motor.
Follow the steps in 8.1 Replacing Joint #4 Motor – Removal (1)-(12) .
(2) Remove the reduction gear unit.
Remove the U pulley, and remove the Joint #4
reduction gear unit from U axis plate.
3-M4 × 20
4-M3 × 15
Joint #4
reduction
gear unit
U axis plate
U pulley
Joint #4
reduction gear
unit
Installation (1) Mount the reduction gear unit.
At this point, the maintenance window hole should come to the front of the Arm (the
side with no cutout to U axis plate).
(2) Mount the reduction gear unit to the Joint #4 motor and secure to Arm #2.
Follow the steps in 8.1 Replacing Joint #4 Motor – Installation (1)-(12) .

NOTE