GRAPHTEC CUTTING PRO FC3100-60 Service Manual page 51

Adjusting the X Drive Belt's Tension
(1) Loosen the belt's tension as described in the preceding "Replacing the X Drive Belt."
(2) As shown in Fig.4-34, push downward on the X motor pulley using a 5 kgf push-pull gauge.
• Push force : 2.0 ± 0.1 kgf
* Note that, structurally, the motor can only be pushed downward at an angle.
(3) While continuing downward pressure on the X motor, secure it into place.
• Four M3 x L8 pan-head with flat washer screws
* At the factory, the tension has been pre-adjusted using a vertical push force of 2.0 ± 0.1 kgf.
Fig. 4.34
4 - 15
FC3100-60 Service Manual
P/N53802-031T Rev. A