IAI America IX-NNC3515 - Manual (Page 41)

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6. Inspection/Maintenance
6.2.7 Adjusting the Belt Tension for the Rotational Axis
(1) Loosen the two M4 bolts [1] slightly, making sure the fastened points do not become overly loose.
(2) Move the rotational-axis motor [2] to tension the belt.
(3) Check the belt tension by referring to 6.2.5 “Checking the Belt Tension for the Rotational Axis.”
(4) Tighten the bolts [1] loosened in step 1 (tightening torque: [1] 3.7 N
˜m).
(5) Check the belt tension again by referring to 6.2.5 “Checking the Belt Tension for the Rotational Axis.”
(If the deflection has changed, perform the adjustment again.)
z After fixing the axis center, be sure to confirm once again that the deflection meets the specified
value.
[1] 2 - M4 x 10
[2] Rotational-
axis motor
Rotational-axis timing belt
Caution