Maintenance and inspection procedures 5-116
(5) RH-6FRH/12FRH/20FRH series: Inspecting the J3 axis timing belt
The section related to J3 axis timing belt of RH-6FRH/12FRH/20FRH is shown in
. The picture is the
image which removed the No.2 arm cover.
Fig.5-14 ： Inspecting the J3 axis timing belt (RH-6FRH/12FRH/20FRH)
Inspection procedure of the timing belt of J3 axis are shown below.
1) Refer to
Page 101, "5.3.2 Installing/removing the cover"
, and remove the No.2 arm cover U.
2) Visually confirm that the symptoms indicated in
Page 110, "(1) Timing belt replacement period"
have not
occurred with the <1> timing belt.
3) Refer to
Page 111, "(2) Timing belt tension measurement"
, and confirm the belt tension.
4) Install the No.2 arm cover U securely as before and finish inspection.
<1> Timing belt
<2> J3 timing pulley A
*The RH-12FRH/20FRH series is also
equivalent although the figure is RH-6FRH.
