Epson G Series Maintenance Manual page 372

G10 G20 Maintenance 2. General Maintenance
G20
G20-***SR : Standard-model
Ball screw spline unit
Joint #3 motor
Z belt
Lithium battery and Battery board
G20-***CR : Cleanroom-model
G20-***DR, PR : Protected-model (D: With bellows option)
Bellows (C, D, P)
Gasket (P)
Gasket (C, D, P)
Bellows (C, D, P)
354
Brake release switch
LED lamp
Joint #4 motor
Joint #3 brake
Joint #4 reduction gear unit
U belt
Brake release switch (for D, P)
Gasket (D, P)
Gasket (D, P)
Arm cover
Joint #2 motor
Joint #2 reduction gear unit
Gasket (D, P)
Gasket (P)
Gasket (D, P)
Gasket (P)
Power cable
Signal cable
Joint #1 motor
Joint #1
reduction gear unit
Cable unit
(Figure: G20-851SR)
Gasket (D, P)
Gasket (D, P)
Gasket (D, P)
Gasket (D, P)
Gasket (D, P)
(Figure: G20-851PR)
G series Maintenance Rev.3