Brother International DA-9280 Instruction Manual - English - Page 19

9. CLEANING 9. CLEANING The following cleaning operations should be carried out each day in order to maintain the performance of this machine and to ensure a long service life. CAUTION ¡ Turn off the power switch before carrying out cleaning. The motor will keep turning even after the power is switched off as a result of the motor's inertia. Wait until the motor stops fully before starting work. The machine may operate if the treadle is pressed by mistake, which could result in injury. ¡ Be sure to wear protective goggles and gloves when handling the lubricating oil, so that no oil gets into your eyes or onto your skin, otherwise inflammation can result. Furthermore, do not drink the oil under any circumstances, as it can cause vomiting and diarrhoea. Keep the oil out of the reach of children. 9-1. Daily cleaning q s Cleaning the machine 1. Open the looper side plate q and clean away any thread scraps and other rubbish. 2. After cleaning, close the looper side plate q. s Lubrication Refer to "5-6. Lubrication" on page 7. s Checking 1. Check that the threads are threaded correctly. (Refer to page 9.) 2. If the tips of the needles are broken, replace the bro- ken needles. 3. Carry out a trial sewing. 9-2. Changing the lubricating oil (every three months) The lubricating oil should be changed at least once every three months. 1. Remove the 11 screws q, and then open the forward feed arm cover w. w 2. Draw up all of the lubricating oil inside the machine into the oil bottle e. 3. Fill the machine with oil until the oil level reaches the point in between the reference lines on the oil gauge. (Refer to page 7.) 4. Close the forward feed arm cover w and secure it with the 11 screws q. e q r t Upper reference line [Machines with puller] 1. Remove the eight screws r, and then open the puller top cover t. 2. Draw up all of the lubricating oil inside the machine into the oil bottle e. 3. Fill the machine with oil until the oil level reaches the top reference line on the oil gauge. (Refer to page 7.) 4. Close the puller top cover t and secure it with the eight screws r. 14 DA-9280