The knowledge of products maintenance
§ Lubrication instructions

Cleaning parts

Cleaning times Remark
1）Air filter of stop motor Once a week -
2）Air filter of power supply box Once a week -
3）Frame guide rails Once a week (before oil) -
4）Needle bar case slide rails Before oil -
5）Rotary hooks Before oil With a brush
6）Thread take-up springs Every day -
7）Other parts Clean properly -
§ Cleaning instructions

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 -