Replacing Joint #2 Reduction Gear Unit - Epson G Series Maintenance Manual

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6.2 Replacing Joint #2 Reduction Gear Unit

A reduction gear unit consists of the following three parts and two attached parts.

At replacing the reduction gear unit, be sure to always replace them all together as one set.

Reduction gear unit : Waveform generator, Flexspline, Circular spline

For details of the reduction gear unit, refer to 14. Maintenance parts list.

Reduction Gear Unit

Hexagonal wrench

Torque wrench

Wiping cloth

Grease (SK-1A)

G series Maintenance Rev.3

: Spacer, Grip ring

width across flats: 2 mm

width across flats: 2.5 mm

width across flats: 3 mm

width across flats: 4 mm

G6 Maintenance 6. Joint #2

For M3 screw

For M5 screw

Tightening torque 3.0 N⋅m

Tightening torque 12.0 N⋅m

(122.3 kgf⋅cm)

For apply grease

For wiping grease (Flange)

For wiping grease (Bolt)

For flexspline removal

(30.5 kgf⋅cm)