20
VF2400
5. Proper operation
5.9 HR device and SP device
Fig. 5-13
Fig. 5-14
①
②
③
④
Use SP device (needle thread oiling) and HR device (needle
point cooling) as standard equipment to prevent thread
breakage and skip stitch when running a machine at high
speed or using synthetic thread and/or synthetic fabric.
Use dimethyl silicon oil.
1. When not using SP or HR device, remove the felt ③ or
④ . If attached, It may occur irregular condition during
sewing.
2. If silicone oil is attached to the parts other than SP
and HR devices, it can cause the machine trouble. Be
sure to wipe it away.
Note: Open the seal plug ① of HR container and the
lid ② of SP container to check the oil level.
Supply oil if needed.
