Replacing Joint #1 Reduction Gear Units - Epson T-B Series Maintenance Manual

T3-B T6-B Maintenance 9. Joint #1

9.2 Replacing Joint #1 Reduction Gear Units

A reduction gear unit consists of the following three parts. When replacing the reduction
gear units, be sure to always replace the elliptic cam bearing, flex gear, and internal gear all
together as one set.
For details of the parts, refer to "19. Maintenance Parts List".
Maintenance
Reduction Gear Units
part
Hexagonal
wrench
Tools
Torque wrench
Nippers
Spatula
Wiping cloth
Grease Grease
Joint #1 (1) Remove the Joint #1 motor unit.
Reduction
Gear Unit
Removal
(2) T3-B:
70
Name
Width across
flats: 2 mm
Width across
flats: 2.5 mm
Width across
flats: 3 mm
SFB No.1
Reference: 9.1 Replacing Joint #1 Motor "Removal procedure"
For T6-B, remove the Joint #1 motor and the reduction gear units from the flange.
Remove the reduction gear units from the Joint #1
flange.
T3-B: 10-M3×20
Quantity
1 T3-B: 1829508
1 T6-B: 1829509
1 For M4 set screw
1 For M3 screw
1 For M4 screw
1
1
1 For applying grease
1 For wiping grease (Flange)
1 For wiping grease (Bolt)
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T3-B
T-B series Maintenance Manual Rev.1
Note
Set of reduction gear units
and elliptic cam
positioning jig
Flange
Reduction
gear unit