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7.
Adjusting the timing belt tension
The YK-X series robots use a timing belt for controlling the movement of the Z and R-axis. If the belt becomes
slack, use the following procedure to give proper tension to the belt.
w
WARNING
The motor and speed reduction gear casing are extremely hot after automatic operation, so burns may occur if
these are touched. Before touching these parts, turn off the controller, wait for a while and check that the
temperature has cooled.
w
WARNING
Injury can occur if hands or fingers are squeezed between the drive pulley and belt. Always turn off the controller
and use caution when handling these parts.
c
CAUTION
Since a positional shift occurs after adjusting the belt tension, the return-to-origin, standard coordinates, and
point data must be set once again.
3
3-45
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