PERANCANGAN DAN PENERAPAN SPESIFIKASI PERAWATAN PREVENTIF REPARASI KECIL PADA MESIN BUBUT DOALL LT13

Abstract

Polmanbabel mechanical workshop laboratory has a variety of machine tools that are often used for student practicum and production activities, one of which is the DoAll LT 13 brand lathe. The DoAll LT13 brand lathe has several parts that often experience damage such as the sled, loose head (tail stock), thread system, cooling system, and brakes. So maintenance is needed so that the machine is always ready to be used for practicum activities and production activities. One of the treatments that can be done is preventive maintenance of small repairs. After collecting data, disassembling, inspecting, and assembling, the maintenance specification was designed. The result of the process is a small repair preventive maintenance specification that includes disassembly, inspection, and assembly of top slide, cross slide, tail stock, and cooling system components. The last stage applies the minor repair preventive maintenance specifications to see whether the time and process sequence are appropriate or not. The results of the application of preventive maintenance specifications for small repairs the specifications that have been made include the process of disassembly, inspection, and assembly are in accordance with the DoAll LT 13 brand lathe. The total time required to carry out the small repair process is 1 hour, 18 minutes, 36 seconds. The total time includes the process of disassembling components 29 minutes 39 seconds, checking components 10 minutes, and assembling components 39 minutes 1 second.