5-119
Maintenance and inspection procedures
(7) RH-3FRH/6FRH/12FRH/20FRH series: Inspecting the J4 axis timing belt
As shown in
, the J4 axis timing belt consists of two timing belts: timing belt A <1> and timing belt B <2>.
When adjusting the timing belts, first adjust timing belt B <2> and then proceed to adjust timing belt A <1>.
Fig.5-15 ： Inspecting the J4 axis timing belt(RH-3FRH/6FRH/12FRH/20FRH)
Inspection procedure of the timing belt of J4 axis are shown below.
1) Refer to
Page 101 "Fig. 5.3.2: Installing/removing the cover"
, and remove the No.2 arm cover U and No.2
cover D.
2) Visually confirm that the symptoms indicated in
Page 110, "(1) Timing belt replacement period"
have not
occurred with the timing belt.
3) Refer to
Page 111, "(2) Timing belt tension measurement"
, and confirm the belt tension.
For replacement of the timing belt, check the serial numbers of the robot arm and the controller and contact
the dealer.
4) Install the No.2 arm cover U and No.2 arm cover D securely as before and finish inspection.
<1> Timing belt A
Adjust next
<The No.2 arm bottom view (Inside of the No.2 arm cover D)>
<2> Timing belt B
Adjust first
Timing pulley D
Timing belt B adjustment screw
<The No.2 arm upper view (Inside of the No.2 arm cover U)>
Shaft
Push
Push
Timing pulley B
Timing belt B adjustment screw
Timing pulley A
Timing pulley C
Timing pulley A
*The RH-6FRH/12FRH/20FRH series is also equivalent although the figure is RH-3FRH.
*The RH-6FRH/12FRH/20FRH series is also equivalent although the figure is RH-3FRH.
