Parts |
Times |
Remark |
1)Thread take-up lever gears |
Once a week, No.2 white oil |
|
2)Connecting rod and front & rear metal parts |
Once a week, No.2 white oil |
|
3)Needle bar case slide rails |
Once a mouth, butter |
Remove cover plate of needle bar case |
4)Needle bar sliding parts |
Once a week, No.2 white oil |
5)Rotary hooks |
1—2 times a week, No.2 white oil |
Clean with a brush before oil |
6)Gears for rotary hooks |
Once per 2—3 months, butter |
Remove needle bar |
7)Driving chain |
Once a week |
|
8)Main shaft of needle bar driver |
Once a week, No.2 white oil |
Remove cover plate of needle bar case |
9)Frame driving rails |
Once a week, butter |
|