Mitsubishi Electric RH-12FRH Series, Instruction Manual

Page: 117 / 180

5Maintenance and Inspection
Maintenance and inspection procedures 4-104
[Caution]
When you remove the cover, don't remove other than the screw shown in
Fig. 5-5 and Table 5-5 .
(1) Refer to Fig. 5-5 , and remove the covers.
(2) The names of the cover and installation screw are given in Table 5-5 . The number in Table 5-5 correspond
to Fig. 5-5 .
(3) Depending on the robot's posture, some covers are hard to be removed. In such a case, change the robot's
posture by performing jog operation to remove the covers.
(4) When reattaching the covers after a maintenance inspection, proceed in the reverse order of their removal.
Tightening the screw with the torque shown in Table 5-5 .
Note) Please wipe off the grease which splashed from the ball screw spline at the time of maintenance inspec
-
tion.
Clean/Waterproof specification
<1> Base cover B (L) SUS hexagon socket screw, M4×10 8 With seal washer.
<2> Base cover B (R) SUS hexagon socket screw, M4×10 8 With seal washer.
<3> No.1 Arm cover A SUS hexagon socket screw, M4×10 8 With seal washer.
<4> Arm cover A (1) SUS hexagon socket screw, M4×8 8 With seal washer.
<5> No.1 Arm cover B SUS hexagon socket screw, M4×10 8 With seal washer.
<6> Motor cover J2 SUS hexagon socket screw, M4×10 8 With seal washer.
<7> Motor cover J3 SUS hexagon socket screw, M4×10 8 With seal washer.
<8> Arm cover A (2) SUS hexagon socket screw, M4×8 8
<9> Arm cover A (3) SUS hexagon socket screw, M4×8 8
<10> No.2 Arm cover SUS hexagon socket screw, M4×10 8 With seal washer.
<11> Belt pulley cover J4 SUS hexagon socket screw, M4×10 8 With seal washer.
Note1)Bolting torque of each fixing screw is 1.39 to 1.89N ･ m.
No. Cover name
Installation screw name
Note1)
Qty. Remarks