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4.6
Inspection and maintenance
Always perform daily and periodic inspections and make a pre-operation check to ensure there are no problems with
the robot and related equipment. If a problem or abnormality is found, then promptly repair it or take other measures as
necessary.
Keep a record of periodic inspections or repairs and store this record for at least 3 years.
4.6.1
Before inspection and maintenance work
1.
Do not attempt any work or operation unless described in this manual.
Never attempt any work or operation unless described in this manual.
If an abnormal condition occurs, please be sure to contact your distributor. Our service personnel will take appropriate action.
WARNING
NEVER ATTEMPT INSPECTION, MAINTENANCE, REPAIR, AND PART REPLACEMENT UNLESS DESCRIBED IN THIS
MANUAL. THESE TASKS REQUIRE SPECIALIZED TECHNICAL KNOWLEDGE AND SKILLS AND MAY ALSO INVOLVE
HAZARDS. PLEASE BE SURE TO CONTACT YOUR DISTRIBUTOR FOR ADVICE.
2.
Precautions during repair and parts replacement
WARNING
WHEN IT IS NECESSARY TO REPAIR OR REPLACE PARTS OF THE ROBOT OR CONTROLLER, PLEASE BE SURE TO
CONTACT YOUR DISTRIBUTOR AND FOLLOW THE INSTRUCTIONS THEY PROVIDE. INSPECTION AND MAINTENANCE
OF THE ROBOT OR CONTROLLER BY AN UNSKILLED, UNTRAINED PERSON IS EXTREMELY HAZARDOUS.
Adjustment, maintenance and parts replacement require specialized technical knowledge and skills, and also may involve hazards.
These tasks must be performed only by persons who have enough ability and qualifications required by local laws and regulations.
WARNING
ADJUSTMENT AND MAINTENANCE BY REMOVING A COVER REQUIRE SPECIALIZED TECHNICAL KNOWLEDGE AND
SKILLS, AND MAY ALSO INVOLVE HAZARDS IF ATTEMPTED BY AN UNSKILLED PERSON. FOR DETAILED
INFORMATION, PLEASE CONTACT YOUR DISTRIBUTOR WHERE YOU PURCHASED THE PRODUCT.
3.
Shut off all phases of power supply
WARNING
ALWAYS SHUT OFF ALL PHASES OF THE POWER SUPPLY EXTERNALLY BEFORE CLEANING THE ROBOT AND
CONTROLLER OR SECURELY TIGHTENING THE TERMINAL SCREWS ETC. FAILURE TO DO THIS MAY CAUSE
ELECTRICAL SHOCK OR PRODUCT DAMAGE OR MALFUNCTION.
4.
Allow a waiting time after power is shut off (Allow time for temperature and voltage to drop)
WARNING
• WHEN PERFORMING MAINTENANCE OR INSPECTION OF THE ROBOT CONTROLLER UNDER YOUR DISTRIBUTOR'S
INSTRUCTIONS, WAIT AT LEAST THE TIME SPECIFIED FOR EACH CONTROLLER AFTER TURNING THE POWER OFF.
SOME COMPONENTS IN THE ROBOT CONTROLLER ARE VERY HOT OR STILL RETAIN A HIGH VOLTAGE SHORTLY
AFTER OPERATION, SO BURNS OR ELECTRICAL SHOCK MAY OCCUR IF THOSE PARTS ARE TOUCHED.
• THE MOTOR AND SPEED REDUCTION GEAR CASING ARE VERY HOT SHORTLY AFTER OPERATION, SO BURNS MAY
OCCUR IF THEY ARE TOUCHED. BEFORE TOUCHING THOSE PARTS FOR INSPECTIONS OR SERVICING, TURN OFF
THE CONTROLLER, WAIT FOR A WHILE AND CHECK THAT THE TEMPERATURE HAS COOLED.
5.
Precautions during inspection of controller
WARNING
• WHEN YOU NEED TO TOUCH THE TERMINALS OR CONNECTORS ON THE OUTSIDE OF THE CONTROLLER DURING
INSPECTION, ALWAYS FIRST TURN OFF THE CONTROLLER POWER SWITCH AND ALSO THE POWER SOURCE IN
ORDER TO PREVENT POSSIBLE ELECTRICAL SHOCK.
• DO NOT DISASSEMBLE THE CONTROLLER. NEVER TOUCH ANY INTERNAL PARTS OF THE CONTROLLER. DOING
SO MAY CAUSE BREAKDOWN, MALFUNCTION, INJURY, OR FIRE.
S-19
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