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6.8 Checking Fan Operation
NOTE: Gear drive leak inspection and fan operation inspection require removal
of the same robot parts. It is advised to make these two inspections at the same
time.
1. Ensure the motors are cool before performing this check.
2. Remove all power to the robot before starting this check.
3. Remove the iCS-ECAT. Refer to Replacing the iCS-ECAT Unit for an iX4-650H/800H
Robot on page 135 and Replacing the iCS-ECAT Unit for an iX4-650HS/800HS Robot on
page 138 for more information.
4. Check for oil inside the base of the robot.
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5. Check the outside of the motors and gear drives for any signs of oil.
6. Reinstall the iCS-ECAT to complete this procedure. The references for removing the iCS-
ECAT also cover re-installing one.
6.8 Checking Fan Operation
The motor fans are PWM controlled. This check needs to be done with 24 VDC to the robot
ON.
IMPORTANT: Do not remove the encoder cable connectors from their sockets on
the motors. If they are removed, the calibration data will be lost, requiring factory
recalibration
Verify that all four motor fans operate:
1. Ensure the motors are cool before performing this check.
2. Remove all motor covers.
3. Toggle power to the iCS-ECAT. This will start the fans and they will continue to run for
about one minute.
4. Verify that each motor fan is running.
5. Verify that the iCS-ECAT fan is running. The iCS-ECAT fan runs continuously, but its
speed will vary.
6. Reinstall all motor covers.
6.9 Replacing the Encoder Battery Pack
The data stored by the encoders is protected by a 3.6 V lithium backup battery pack located in
the base of the robot.
The part number of the replacement battery pack is 09977-000.
IMPORTANT: Only replace items on the robot system with the parts supplied
by OMRON.
126
IMPORTANT: Do not remove the encoder cable connectors from their
sockets on the motors. If they are removed, the calibration data will be
lost, requiring factory recalibration.
Look through the venting slots under each motor for oil leakage.
Feel the bottom of the motors with your finger through the venting slots.
iX4 650 H/HS and 800 H/HS Robot with EtherCAT
User's Manual (Cat. No. I656)
22793-000 Rev. A
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