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5 Maintenance and Inspection
(3) RV-2FR series: Inspection and replacement of J1-axis timing belt
The reference figure at inspection and replacement of the timing belt is shown in
Fig.5-9 ： Inspection, maintenance and replacement of J1 axis timing belt (RV-2FR series)
■ Inspecting the J1 axis timing belt
1) Refer to
Page 100, "5.3.2 Installing/removing the
2) Visually confirm that the symptoms indicated in
occurred with the timing belt.
3) Refer to
Page 107, "(2) Timing belt tension
4) Install the J1 motor cover securely as before and finish inspection.
■ Replacing the J1 axis timing belt
CAUTION
Timing belt replacement of the J1 axis removes the bottom plate in the robot-arm bottom, and replace the belt
from the robot's bottom. For this reason, it is necessary to remove the robot arm from the installation surface and
to place it sideways. Remove the machine cable or piping, etc. corresponding to the usage condition, and put the
robot on the floor sideways.
CAUTION
Maintenance and inspection procedures
5-108
Inside of J1 motor cover
It is possible for the customer to replace the timing belt, but precise adjustment is
needed to prevent malfunction of the relevant parts. To ask for replacement of the
timing belt, contact the dealer.
When removing and placing the robot arm, place J1 motor cover upward. Moreover,
also to turn the No.1 arm cover upward, turn the J1 axis to the front by jog operation
beforehand. (joint angle is near 0 degree) This is the necessity to not damaging the
resin cover.
Topple slowly so that a shock may not be given. If you have the resin cover, there is a
possibility that the cover may be broken.
<3>Tension adjustment screw
With the fixing nut
<1>Motor plate fixing screw
<6>Motor plate hook
Pulls and fixing
<2>Timing belt
cover", and remove the J1 motor cover.
Page 106, "(1) Timing belt replacement period"
measurement", and confirm the belt tension.
Fig.
5-9.
<4>Timing pulley A (motor side)
<5>Timing pulley B (joint side)
have not
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