Panasonic EY7202 EY7202 User Guide - Page 12
Lamp Indications, Maintenance, Tightening Torque
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CAUTION: To prevent the risk of fire or damage to the battery charger. • Do not use power source from an engine generator. • Do not cover vent holes on the charger and the battery pack. • Unplug the charger when not in use. VI. LAMP INDICATIONS Red Flashing Red Lit Green Flashing quickly Orange Lit Orange Flashing Charger is plugged into the AC outlet. Ready to charge. Now charging Charging is completed. Battery pack is warm. Charging will begin when temperature of battery pack drops. Charging is not possible. Clogged with dust or malfunction of the battery pack. VII. MAINTENANCE Use only a dry, soft cloth for wiping the unit. Do not use a damp cloth, thinner, benzine, or other volatile solvents for cleaning. VIII. TIGHTENING TORQUE The power required for tightening a bolt will vary, according to bolt material and size, as well as the material being bolted. Choose the length of tightening time accordingly. Reference values are provided below. (They may vary according to tightening conditions.) Factors Affecting Tightening Torque The tightening torque is affected by a wide variety of factors including the followings. After tightening, always check the torque with a torque wrench. 1) Voltage When the battery pack becomes nearly discharged, the voltage decreases and the tightening torque drops. Tightening torque Tightening torque Bolt Tightening Conditions M8.M10.M12 x 25mm Standard bolt N ⋅ m (kgf-cm) (Bolt size : Millimeters) 98.1 (1000) 78.5 M12 (800) 58.8 (600) M10 39.2 (400) 19.6 (200) M8 0.5 1 1.5 2 2.5 3 Tightening time (Sec.) M8.M10.M12 x 25mm N ⋅ m (kgf-cm) 117.6 (1200) High tensile bolt M12 98.1 (1000) 78.5 (800) M10 58.8 (600) 39.2 (400) M8 19.6 (200) 0.5 1 1.5 2 2.5 3 Tightening time (Sec.) Bolt Washer Steel plate thickness10mm(3/8") Nut Washer Spring washer Tightening conditions • The following bolts are used. Standard bolts: Strength type 6.8 High tensile type 12.9 Explanation of the strength type 6.8 Bolt yield point (80% of tenslie strength) 48 k�f/mm2(68,000psi) Bolt tensile strength 60 k�f/mm2 (85,000psi) - 12 -