5-123
Maintenance and inspection procedures
(11) RH-3FRHR series: Inspection of J4 axis timing belt
The reference figure at inspection of the timing belt is shown in
There are the two belts of the motor side and the shaft side, in the J4 axis. Perform inspection of two belts
simultaneously.
Fig.5-19 ： Inspection of J4 axis timing belt
1) Refer to
Page 101, "5.3.2 Installing/removing the cover"
, and remove the No.2 arm cover and the belt pulley
cover J4.
2) Visually confirm that the symptoms indicated in
Page 110, "(1) Timing belt replacement period"
have not
occurred with the timing belt <2>.
Note) The figure shows the timing belt structure section (motor side) inside the No.2 arm.
Remove and confirm the No.2 arm cover and the belt pulley cover J4.
<1> Timing belt
<3> Timing pulley B
<2> Timing pulley A
No.2 arm cover section
<1> Timing belt
<3> Timing pulley B
<2> Timing pulley A
Note) The figure shows the timing belt structure section (shaft side) inside the No.2 arm.
Remove and confirm the No.2 arm cover and the belt pulley cover J4.
Belt pulley cover J4 side
Motor side (Inside figure of No.2 arm)
Shaft side (Bottom view of No.2 arm)
No.2 arm
No.2 arm
No.2 arm cover section
Belt pulley cover J4 side
