Replacing The Speed Reduction Belt - Yamaha FLIP-X Series Maintenance Manual

4.2
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WARNING
• BEFORE STARTING THE REPLACEMENT WORK, BE SURE TO DISCONNECT THE ROBOT FROM THE CONTROLLER OR
TURN OFF THE CONTROLLER POWER. IF THE ROBOT OPERATES DURING THE REPLACEMENT WORK, THIS MAY CAUSE
SERIOUS ACCIDENT.
• THE REPLACEMENT WORK WITH THE COvER REMOvED MUST BE PERFORMED ONLY BY PERSONS WHO HAvE THE
REQUIRED QUALIFICATIONS DESCRIBED IN "2. QUALIFICATION OF OPERATORS/WORKERS" IN SECTION 4.1 OF
"SAFETY INSTRUCTIONS".
• BE CAREFUL NOT TO NEGLECT TIGHTENING SCREWS OR BOLTS. IF ANY COvER IS NOT SECURED FIRMLY, THIS MAY
CAUSE NOISE, COvER DROPPING AND FLYING, HAND ENTANGLEMENT IN DRIvE UNIT DURING TEACHING, OR BURN
DUE TO HAND IN CONTACT WITH HOT SURFACE. SO, BE SURE TO TIGHTEN ALL THE SCREWS AND BOLTS SECURELY.
c
CAUTION
• Since a positional shift occurs after replacing the belt, return-to-origin must be performed again and the point
data must be re-specified. When removing the parts, check and mark the part positions versus each other so
you can correctly reassemble the parts later.
4
• Be sure to wear safety gloves before starting the work. If you touch any steel material part with bare hands, this
may cause rust.
• Be careful not to drop any screw or bolt during cover removal work.
Turn off the controller power.
1
Place a sign indicating the robot is
2
being adjusted.
Place a sign indicating the robot is being
adjusted, to keep others from operating the
controller or operation panel.
3 Enter the safety enclosure.
4 Remove the belt cover
5 Remove the motor plate bolts (4).
6 Move the motor plate to a side
where the belt becomes loose and
detach the belt from the pulleys.
Move the motor plate to the loosening side
and detach the belt.
7 Attach the belt.
First, attach a new belt onto the small pulley,
and then fit it to the large pulley.
8 Adjust the belt tension.
For details, see "2. Adjusting the timing belt
tension (B10/B14/B14H)" in Chapter 3.
9 Reattach the belt cover.
4-22

Replacing the speed reduction belt

Step 4 Removing the belt cover
53408-AC-00
53409-AC-00
Step 5
Removing the motor plate bolts
53410-AC-00
Step 7
Attaching the belt
Motor plate bolt