Epson LS3-401 series

Maintenance 8. Arm #4
LS Rev.10 131
(13)
Apply the proper tension to the Z belt
and secure the Joint #3 motor unit.
P
ass 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 shown in the figure on
the right.
Z belt tension:
69 N (7.0
±
0.5 kgf)
3-M4×12 + Washer
Force Gauge
Joint #3 Motor Unit
Z belt
To
check belt tension with the tension meter, refer to Maintenance: 7
.4 Checking the
Timing Belt Tension
(Z Belt).
(14)
Remove the control board.
For details, refer to
Maintenance: 11.3 Replacing the Control Board.
(15)
Connect the following connectors.
Connector X31, X32, X35, X41, X231, X241
(16)
Mount the User Plate.
For details, refer to
Maintenance: 3.5 User Plate.
(17)
Bind
the cables with a wire tie in their original positions
as before removed in the
removal step (7).
Do not allow unnecessary strain
on the cables.
(18)
Remove the
Arm Top Cover.
For details, refer to
Maintenance: 3.1 Arm Top Cover.
(19)
Execute the calibration for Joint #3.
For details on the calibration method, refer to
Maintenance: 13. Calibration.

NOTE