Epson C8 Series, Manipulator Manual, Page: 101 / 346

Maintenance 2. General Maintenance
C8 Rev.13 87
2.1.2 Inspection Point
Inspection While the Power is OFF (Manipulator is not operating)
Inspection Point Inspection Place Daily Monthly Quarterly Biannual Annual
Check looseness or backlash of
bolts/screws.
Tighten them if necessary.
(For the tightening torque, refer to
Maintenance: 2.4 Tightening
Hexagon Socket Head Cap Bolts
.)
End effector mounting bolts √ √ √ √ √
Manipulator mounting bolts √ √ √ √ √
Each arm locking bolts √ √ √ √ √
Bolts/screws around shaft √
Bolts/screws securing motors,
reduction gear units, etc.
√
Check looseness of connectors.
If the connectors are loosen, push it
securely or tighten.
External connectors on
Manipulator (on the connector
plates etc.)
√ √ √ √ √
Manipulator cable unit √ √ √ √
Visually check for external defects.
Clean up if necessary.
External appearance of
Manipulator
√ √ √ √ √
External cables √ √ √ √
Check for bends or improper
location. Repair or place it properly
if necessary.
Safeguard etc. √ √ √ √ √
Check tension of timing belts.
Tighten it if necessary. Base
Inside of Arms #1, 2, 3, 4
√ √
Grease conditions Refer to Maintenance: 2.3 Greasing .
Battery Refer to
Maintenance: 11 Replacing the Battery.
Check either the external short
connector or the brake release unit
connector is connected.
The external short connector
on the back side of the
Manipulator, or the brake
release unit connector.
√ √ √ √ √