62
C22UE001-2004
Inspect J2-axis timing belt
Step1.
Ensure the power of controller is switched off.
Step2.
Remove the cover of J3.
Step3.
Check whether the timing belt is normal.
Step4.
If the timing belt is abnormal, refer to the following paragraph to replace the
timing belt.
Step5.
If the belt tension is lower than the standard, refer to the following paragraph to
adjust the belt tension.
Adjust J2-axis timing belt
Step1.
Loose the two fixing screws on motor flange, so that the motor can be move.
No need to remove the screws.
Step2.
Refer to Table 6-4, loosen or tighten the adjusting screw to adjust the tension of
the belt.
Step3.
Tighten the two fixing screws on motor flange. (Screw pounds 7.2N-m)
Replace J2-axis timing belt
Step1.
Remove the two fixing screws on motor plate.
Step2.
Loose the adjusting screw to replace the timing belt.
Step3.
After replacing the belt, refer to the paragraph “Adjust J2-axis timing belt”
above to adjust the tension of the belt.
Inspection, maintenance and replacement of timing belt in J3-axis.
Figure 6-5 shows the structure of J3-axis.
Figure 6-5 J3-axis structure diagram
Belt pulley
Tension adjusting nut
Tension adjusting screw
Belt
Belt pulley
Screws for motor flange