Mitsubishi RV-2F Series Instruction Manual page 70

5 Maintenance and Inspection
9) The position could deviate after the belt is replaced. Confirm that the position has not deviated. If deviated,
refer to Page 70, "5.6 Resetting the
B)Inspection, maintenance and replacement of J6 axis brake timing belt
The reference figure at inspection, adjustment, and replacement of the brake timing belt is shown in
After adjustment of J6 axis brake timing belt, the adjustment of the timing belt which rotates the J6 axis is also
needed. Moreover, it is necessary to remove J6 axis timing belt for the replacement of brake timing belt.
Fig.5-12 ： Inspection, maintenance and replacement of J6 axis brake timing belt
■ Inspecting the J6 axis brake timing belt
1) Confirm that the robot controller power is OFF.
2) Refer to Page 49, "5.3.2 Installing/removing the
3) Visually confirm that the symptoms indicated in
the timing belt.
4) Adjust the tension of the belt with referring to
■ Adjusting the J6 axis brake timing belt
1) Carry out steps 1) and 2) indicated in
2) Loosen J6 axis motor fixing screw (1). (two pc.) (Loosen so that it may not escape from nut.)
By loosening the screw, the tension of brake timing belt <3> is automatically adjusted by the work of spring
<2> installed in the motor plate.
3) After adjustment, securely tighten the two motor installation screws <1>. Improper tightening can cause the
belt to loosen with vibration.
4) Adjust J6 axis timing belt. Adjust the tension of J6 axis timing belt with referring to
timing belt".
Maintenance and inspection procedures
5-61
origin", and reset the origin position.
Timing belt
Timing pulley
Brake timing belt
<3>
(brake side)
Inside of No.2 arm cover R
<1>J6 axis motor fixing screw (two pc.)
Inside of No.2 arm cover L
" ■ Inspecting the J6 axis brake timing belt"
a
<4> Timing pulley
(motor side)
cover", and remove the No. 2 arm cover R and L.
"(1)Timing belt replacement period"
" ■ Adjusting the J6 axis brake timing
Fig. 5-12.
<2>Spring
have not occurred with
belt".
above.
" ■ Adjusting the J6 axis