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1、International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATION.MEXflYHAPOHAR OPf-AHM3AUMR fl0 CTAHAPTbl3Al.WlORGANISATION INTERNATIONALE DE NORMALISATION Shipbuilding - Deck machinery - General requirements Construction navale - Auxifiaires de pont - Prescriptions g they shall moreover be pro
2、tected against unintentional Operation. The maximum travel of the levers shall not exceed 600 mm if movable in one direction only, or 300 mm to either side from a central Position if movable in both directions. They shall move toward the right when hauling and toward the left when paying out. Altern
3、atively, they should move backward when hauling and forward when paying out. Generally speaking, the lever shall move in the direction of the intended movement. For lever-operated brakes, the brake shall engage when the lever is pulled and disengage when the lever is pushed. The manual effort on the
4、 brake for the Operator shall not ex- ceed 160 N. 4.2 Pedals The Pedal shall operate the brake according to the requirements of the brake itselfl). The maximum travel shall not exceed 250 mm. The physical effort for the Operator shall not exceed 320 N. 4.3 Handwheels and crankhandles The handwheel o
5、r crankhandle shall actuate the brake when turned clockwise and release it when turned counterclockwise. The manual effort for the Operator shall not exceed 250 N for Speed regulation and 500 N at any moment. 4.4 Push-buttons When not associated with automatic sequential control, separate push-butto
6、ns shall be provided for each direction of Operation. In any case, if depressed the push-buttons shall actuate the machinery and when released shall stop and effectively brake it. Where advisable, the above-mentioned push-buttons may be replaced by two “Start” and “stop” push-buttons. 4.5 Operationa
7、l marks All control elements shall be permanently marked for identifica- tion, unless their functions are clearly recognized. lf required, instructions should be permanently marked in a readily visible Position. 1) Normally engaged or normally released brakes. Copyright International Organization fo
8、r Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/25/2007 19:09:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 7825-1985 (EI 5 Inspection access Adequate and easy access shall be provided for i
9、nspection of reduction gears, bearings, brakes, etc. Suitable protection shall be provided for preventing persons from coming into contact with surfaces having temperatures over 50 OC. This temperature is not applicable for hydraulic Systems. 6 Lubrication 8 Surface protection Adequate and easily ac
10、cessible manual lubrication Points shall be provided, both for oil and grease, in Order to ensure that all Parts are correctly lubricated. Nipples shall be stan national Standards. dard type and in accordance with Inter- Nipples shall be fitted so as not to be damaged by mechanical shocks and chafin
11、g, and protected against dirt and/or upset- ting of paint. Moreover, the nipples shall be always easily ac- cessible. Gear-boxes shall be provided with level checking and drainage plugs. Lu bricatio any angle easily accessi ble means for shall also be efficient when P to 15O i n any direction. 7 Saf
12、ety protection Adequate protection all moving surfaces. shall be provided for all machinery is inclined at gears Electrical cables and all electrical equipment exposed to shocks and chafing by ropes or cargo shall be protected by pipes or other means. Metallic surfaces shall be free from any trace o
13、f moisture, Oil, grease, dir-t, weld spatter, burrs or other imperfections before a protective finish is applied. All steel surfaces not protected by lubricant or coating of any other type shall be sandblasted to near white metal and painted with one coat of zinc-rich epoxy paint, of a type and a th
14、ickness to be agreed uponbetween manufacturer and customer. 9 Environmental conditions Deck machinery shall be designed for correct Operation components at temperatures between -20 and +60 OC NOTE - Greater extremes of temperatures for contin be indicated by the customer at the time of enquiry. 10 M
15、arkings of its uous Service maY All machinery shall be permanently marked with the following data and information : a) name and country of the manufacturer; b) designation according to the relevant International Standard. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/25/2007 19:09:34 MDTNo reproduction or networking permitted without license from IHS -,-,-
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