Epson LS-B Series Maintenance Manual page 74

LS3-B LS6-B Maintenance 7. Joint #3
(7) Apply the proper tension to the Z belt and secure the Joint #3 motor unit.
NOTE

(8) Connect the connectors.
(9) Mount the User Plate.
(10) Bind the cables with a wire tie in their original positions as before removed in the
(11) Install the Arm Top Cover.
(12) Check if the Joint #3 moves in a Jog motion by operating from EPSON RC+ menu -
(13) Execute the calibration of Joint #3.
60
Pass a suitable cord or string around the Joint #3 motor unit near its mounting plate.
Then, pull the cord using a force gauge or similar tool to apply the specified tension
Z belt tension: 34.5N (3.5 ± 0.5 kgf)
Axial tension (pulling force): 69 N (7.0 ± 0.5 kgf)
Motor mounting screw
LS3-B, LS6-B: 3-M4×15+ washer
LS6-B602S-V1: 3-M4×12+ washer
To check belt tension with the tension meter, refer to 7.4 Checking the Timing Belt
Tension (Z Belt).
Connectors: X231, X241, X43, X44, X51
For details, refer to 3.5 User Plate.
removal step (7). Do not allow unnecessary strain on the cables.
For details, refer to 3.1 Arm Top Cover.
[Tools]-[Robot Manager]-[Jog & Teach].
If the Manipulator oscillates with MotorON and the following errors are detected,
Error 5041: Motor torque output failure in low power state.
Error 4241: Over speed during low power mode was detected.
or when the joint other than Joint #3 moves, the connector for the other joint might be
connected to the Joint #3 motor. Check the connector connection.
For details, refer to 13. Calibration.
Joint #3 motor unit
Motor
Mounting
Screws
LS-B series Maintenance Rev.1
Force gauge