SunStar HC Series - Drive Belt Tension

5-4) DRIVE BELT TENSION
Too weak or too tight tension on the drive belt may cause machine malfunction or damages (abnormal wear-out of
drive unit). Inspect the driver belt on a regular basis.
[CAUTION]
Inspect the tension in the direction of the arrows in the picture below.
[Fig.5-6]
Location for inspection
Belt on main shaft
motor
Upper/Lower shaft belt
X-axis timing belt
Y-axis timing belt
Inspection cycle
Once in 3 months
Once in 3 months
Once in 3 months
Once in 3 months
Reference
check belt tension
check for belt crack
check for belt wear-out
check for bearing damage
check for wear-outs of rotating & sliding parts
NO
CAUTION
Turn OFF the main power when inspecting drive belt tension.
1
2
3
4
LM block plate screw
Tension adjusting screw
LA block plate
X-drive motor