Epson C Series, Maintenance Manual

Page: 201 / 668

C8 Maintenance 2. General Maintenance
C Series Maintenance Manual Rev.2 181
Inspection Method
Inspection Point Inspection Method
Check looseness or backlash
of bolts/screws.
Use a hexagonal wrench to check that the end effector mounting
bolts and the Manipulator mounting bolts are not loose.
When the bolts are loose, refer to “2.4 Tightening Hexagon Socket
Head Bolts” and tighten them to the proper torque.
Check looseness of
connectors.
Check that connectors are not loose.
When the connectors are loose, reattach it not to come off.
Visually check for external
defects.
Clean up if necessary.
Check the appearance of the Manipulator and clean up if
necessary.
Check the appearance of the cable, and if it is scratched, check that
there is no cable disconnection.
Check for bends or improper
location. Repair or place it
properly if necessary.
Check that the safeguard, etc. are located properly.
If the location is improper, place it properly.
Check either the external
short connector or the brake
release unit connector is
connected.
Check whether external short connector or break release connector
is connected.
When neither is connected, connect either one.
M/C Cable backward M/C Cable downward
Check the break operation
Check that the arm does not fall when in MOTOR OFF.
If the arm falls when in MOTOR OFF and the brake is not released,
contact the supplier.
Check whether unusual
sound or vibration occurs.
Check that there is no unusual sound or vibration when operating.
If there is something wrong, contact the supplier.
Check if the fan is running
(C8-A1401***(C8XL) only)
Check that the fan is running when in MOTOR
ON.
If the fan is not running when in MOTOR ON,
contact the supplier.