GRAPHTEC FCX2000 Service Manual page 125

(8) Move the pen block to the rear and the front several times, and then confirm the Y belt is not touching to
the flange of Y idler pulley.
Flange of idler pulley
(9) Adjust the belt tensions if the belt is touching to the flange of Y idler pulley.
(10) Apply a few quantity of the silicon grease to the Y drive pulley if the belt is replaced.
Note:
Do not use grease other than the silicon-grease.
The other grease will be the cause of chemical damage to the belt.
(11) Tighten the Y belt tension fixing screw at front end of Y bar.
FCX2000-UM-251-9370
Y belt
8 DISASSEMBLY AND ASSEMBLY
Confirm the Y belt is not touching
to the flange of Y idler pulley.
Y belt tension fixing screw
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