
Maintenance 2. General Maintenance
2.2Inspection Point
2.2.1Inspection While the Power is OFF (Manipulator is not operating)
Inspection Point | Inspection Place | Daily | Monthly | Quarterly | Biannual | Annual | |
Check looseness or backlash of | End effector mounting bolts | √ | √ | √ | √ | √ | |
bolts/screws. | Manipulator mounting bolts | √ | √ | √ | √ | √ | |
Tighten them if necessary. | Each arm locking bolts | √ | √ | √ | √ | √ | |
(For the tightening torque, refer to | Bolts/screws around shaft |
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Maintenance: 2.4 Tightening | Bolts/screws securing motors, |
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Hexagon Socket Head Cap Bolts.) |
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reduction gear units, etc. |
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Check looseness of connectors. | External connectors on |
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Manipulator (on the connector | √ | √ | √ | √ | √ | ||
If the connectors are loosen, push it | |||||||
plates etc.) |
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securely or tighten. |
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Manipulator cable unit |
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Visually check for external defects. | External appearance of | √ | √ | √ | √ | √ | |
Manipulator | |||||||
Clean up if necessary. |
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External cables |
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Check for bends or improper |
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location. Repair or place it properly | Safeguard etc. | √ | √ | √ | √ | √ | |
if necessary. |
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Check tension of timing belts. | Inside of Arm #2 |
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Tighten it if necessary. |
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Grease conditions | Refer to Maintenance: 2.3 Greasing. |
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2.2.2Inspection While the Power is ON (Manipulator is operating)
Inspection Point | Inspection Place | Daily | Monthly | Quarterly | Biannual | Annual | |
Check motion range | Each joint |
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Move the cables back and forth | External cables |
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lightly to check whether the cables | (including cable unit of the |
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are disconnected. | Manipulator) |
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Push each arm in MOTOR ON |
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status to check whether backlash | Each arm |
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exists. |
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Check whether unusual sound or | Whole | √ | √ | √ | √ | √ | |
vibration occurs. | |||||||
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Measure the accuracy repeatedly by | Whole |
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a gauge. |
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G3 Rev.1 | 69 |