Epson ES Series User Manual

8. Replacing the Timing Belts Part 2: Maintenance
160
Installation : U1 Belt
(1) Fit a new U1 belt around the U1 and the large U2 pulleys. And then, fit the U2 belt to
the U2 small pulley. Ensure that the gear grooves of the belts and pulleys engage
properly.
U1 belt
Small U2 pulley
Large U2 pulley
U2 belt
U1 pulley
(2) Position the Joint #4 countershaft unit and Joint #4 motor plate on the arm. Be careful
not to slip the belts from the pulleys while maintaining proper interval between the
units. Mount them loosely for the time being using the following bolts: 2-M4×12 for
the Joint #4 countershaft unit; 4-M4×10 for the Joint #4 motor plate.
4-M4
×
10
2-M4
×
12
Joint #4 countershaft unit
Joint #4 motor plate

Epson ES Series Specifications

General

Type	SCARA
Payload	3 kg
Repeatability	±0.01 mm
Axes	4
Controller	RC700