GRAPHTEC FCX4000 - Page 97

FCX4000-UM-251-9370 7-52
7 DISASSEMBLY AND ASSEMBLY
(8) Move the pen block to the rear and the front several times, and then conrm the Y belt is not touching to
the ange of Y idler pulley.
Y bar front end
Conrm the Y belt is not touching
to the ange of Y idler pulley.
Y belt
Flange of idler pulley
(9) Adjust the belt tensions if the belt is touching to the ange of Y idler pulley.
(10) Apply a few quantity of the silicon grease to the Y drive pulley if the belt was replaced.
Note:
Do not use grease other than the silicon-grease.
The other grease will be the cause of chemical damage to the belt.