71
1) Use lithium grease
1
Inside the arm
Take-up lever driving cam
Needle bar driving cam
Needle bar controller
Presser foot driving cam, take-up lever driving roller
Color change cam, color change-related gears
Once in 6 months
⑥
,
⑪
2
Hook gear and lower gear in the rotary hook base
Once in 6 months
⑦
,
⑧
3
Trimmer blade cam
Once in 3 months
⑨
4
Inside look of coiling arm
Thread take-up driving cam
Needle bar driving cam
Needle bar controller
Thread take-up driving roller
Once in 6 months
⑪
⑫
⑬
⑭
5
Once in 6 months
①
②
③
④
,
⑤
No.
Frequency
Grease Supplied Place
Reference Fig.
②
①
④
⑤
③
Color change cam box
Half-turn gear
Color change gear
Motor gear
Rotary hook base
Lower shaft
⑧
⑦
⑩
⑨
⑥
⑪
Regular greasing prevents machine noise and abnormal wear-out.
CAUTION