Epson C Series, Maintenance Manual

Page: 127 / 668

C4 Maintenance 8. Joint #4
C Series Maintenance Manual Rev.2 107
4. Bind the cables of the Joint #4 motor unit with a cable tie.
5. Place the Joint #4 timing belt to the Joint #4 pulley 2.
6. Put the Joint #4 motor unit inside the Arm #4.
Place the timing belt around the pulley 1 and pulley 2.
Hexagon socket head cap bolts: 2-M4×15
Check that the teeth of the timing belt engage with these of the
pulley.
When securing the motor unit temporarily, make sure that the motor
unit can be moved by hand, and it does not tilt when being pulled.
If the unit is secured too loose or too tight, the belt will not have
proper tension.