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17
20. 定期清扫
PERIODICAL CLEANING
1) 送布牙、旋梭
Machine
(1) 卸下针板,清扫送布牙。
(2) 装针板时,应用手将螺钉拧 2-3 圈,然后旋紧针板
螺钉,要上均匀。
(3) 将机头放平,仔细清扫旋梭,同时用软布拭擦梭芯
套。
(1) Remove the throat plate and clean the feed dog.
(2) Assembling is to be made by screwing in the screw by 2
to 3rotations by hand at first, then tightening them evenly by
use of a long size screw driver.
(3) Lay down the machine head and clean the hook and
inner bobbin case.
2)油泵滤网的清扫
Cleaning oil pump, screen
如图所示,清除滤网 A 上的尘屑。
Swing out the machine head and clear off the dust and
dirt on oil pump screen A.
Summary of Contents for DY-850
Page 20: ...A ARM BED AND IT S ACCESSORIES 18...
Page 23: ...B NEEDLE BAR ARM SHAFT MECHANISM 21...
Page 26: ...C STITCH REGULATOR MECHANISM 24...
Page 28: ...D FEEDING AND FEED LIFTING MECHANISM 26...
Page 30: ...E PRESSER FOOT MECHANISM 28...
Page 32: ...F PRESSER LIFTING FEEDING MECHANISM 30...
Page 35: ......
Page 36: ...G OIL LUBRICATION MECHANISM 33...
Page 38: ...H THREAD TRIMMER MECHANISM 35...
Page 41: ...I TOUCH BACK MECHANISM MOTOR MECHANISM 38...
Page 43: ...2018 3 8...
Page 44: ...J ACCESSORIES 40...