Maintenance !Items for internal check 1. Lubricant condition on moving parts. 2. Loose or mechanical play in fixed parts or fixing screws. !Items for belt check Stop operation immediately and replace the belt when belt appear to be below. Further, ensure your operating environment and conditions satisfy the requirements specified for the product. a. Tooth shape canvas is worn out. Canvas fiber becomes fuzzy. Rubber is removed and the fiber becomes whitish. Lines of fibers become unclear. b. Peeling off or wearing of the side of the belt Belt corner becomes round and frayed thread sticks out. c. Belt partially cut Belt is partially cut. Foreign matter caught in teeth other than cut part causes flaw. d. Vertical line of belt teeth Flaw which is made when the belt runs on the flange. e. Rubber back of the belt is softened and sticky. f. Crack on the back of the belt Handling Caution 1. The belt drive actuator cannot be used vertically for applications. 2. In the case of the belt drive actuator, vibration may occur during operation at speeds within the actuator specifications, this could be caused by the operating conditions. Change the speed setting to a speed that does not cause vibration. Maintenance Warning Warning Maintenance frequency Perform maintenance according to the table below. !Items for visual appearance check 1. Loose set screws, Abnormal dirt 2. Check of flaw and cable joint 3. Vibration, Noise Inspection before daily operation Inspection every 6 months/1000 km/ 5 million cycles. �ｷ �ｷ Appearance check . �ｷ Frequency Internal check . �ｷ Belt check . Select whichever comes sooner. Weight Series LEFB25 Stroke [mm] Series LEFB40 Stroke [mm] Series LEFB32 Stroke [mm] 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2500 3000 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2500 2.5 2.75 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5 5.25 5.5 5.75 6 6.25 6.5 6.75 5.70 6.15 6.60 7.05 7.50 7.95 8.40 8.85 9.30 9.75 10.20 10.65 11.10 11.55 12.00 12.45 12.90 13.35 15.60 17.85 4.00 4.35 4.70 5.05 5.40 5.75 6.10 6.45 6.80 7.15 7.50 7.85 8.20 8.55 8.90 9.25 9.60 9.95 11.70 Product weight [kg] Product weight [kg] Product weight [kg] Series LEFB 21