Maintenance 2. General Maintenance
LS20-B Rev.4 63
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
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
√ √ √ √ √
Visually check for external defects.
Clean up if necessary.
External appearance of
√ √ √ √ √
Check for bends or improper
location. Repair or place it properly
Safeguard etc. √ √ √ √ √
Check tension of timing belts.
Inside of Arm #2 √ √
Refer to Maintenance: 2.3 Greasing.
Inspection While the Power is ON (Manipulator is operating)
Check whether unusual sound or
Whole √ √ √ √ √
Measure the accuracy repeatedly by
Whole √
Turn ON and OFF the brake release
switch and check the sound of the
electromagnetic brake. If there is
no sound, replace the brake.
Brake √ √ √ √ √