4.3. Inspection of Main External Bolts

The recommended bolt torques are shown in the figure below.

Must tighten the bolts with appropriate torques by using a torque wrench and then mark them with paint.

Please use 12.9T (strength grade) bolts.

Table 4‑3 Main Bolts to be Inspected

No.	Bolts to be Inspected	No.	Bolts to be Inspected
1	H axis reducer attachment bolt	7	Arm pipe attachment bolt
2	H axis attachment bolt	8	R2 axis attachment bolt
3	V axis attachment bolt	9	Grip assembly attachment bolt
4	V axis attachment bolt	10	B axis attachment bolt
5	Gas top plate attachment bolt	11	R1 axis reducer attachment bolt
6	Contraction motor attachment bolt	12	End effector attachment bolt

Figure 4.1 Main Bolts to be Inspected

4.3. Inspection of Main External Bolts​