FC9000-UM-251-9370 7-45
7 DISASSEMBLY AND REASSEMBLY
(2) Verify that the Y belt is centered and does not move up and down when the Y-slider is moved from left
to right several times. The Y-slider belt should not move up and down more than 1.5 mm.
The Y belt should not
move up and down more
than 1.5 mm.
Y belt
Y belt tension
adjustment screws
When the Y belt is moving up, tighten the lower screw a little.
When the Y belt is moving down, tighten the upper screw a little.
When the adjustment position was not marked adjust the Y belt tension by the following procedure.
(1) Move the Y-slider to the right end.
(2) Pull the belt 20 mm towards the center using a force gauge. Adjust the Y belt tension adjustment
screws evenly until the tension reads as follows:
Specication of the Belt Tension
Model Force gauge reading specication
FC9000-75 700 g+50
FC9000-100 700 g+50
FC9000-140 700 g+50
FC9000-160 700 g+50
Adjustment screw
(M3L28 binding head screw)
20 mm
700 g + 50g
Y idler pulley
Y belt
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