Maintenance and inspection procedures 5-82
(4) Inspecting/Adjusting 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.5-11 ： Inspecting/Adjusting the J4 axis timing belt
<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
