SunStar HC Series User Manual page 39

3) Oiling
① Cored drip-feed lubrication [Standard Type]
ⓐ Location and Cycle of Oiling
No.
1
[CAUTION]
1) Use the SWF sewing machine oil (Spindle Oil) or ISO-standard VG18.
2) Oil just enough to damp the tape in the oil tank.
Where to oil
Inside arm
a. driver pin of take-up lever
b. driver pin of presser foot
c. driver shaft of needle bar
Oiling cycle
Once in 2 days
[Fig.5-3]