Instruction manual

10
VG3511-8F
4
. Lubrication
4.1 Lubricating oil
4.2 Lubricating
Use YAMATO SF OIL No. 28.
When using a new machine, or a machine which has not
been run for a while, supply a few drops of oil to the needle
bar ① and the looper bar .
Remove the seal plug ③ indicated “OIL” and supply oil to
the upper line of the oil sight gauge .
Check that oil splashes from the nozzle inside the oil sight
window ⑤ while running a machine.
If oil does not splash from the nozzle, see 4.4 Checking
and replacing oil 󲔛lter” on page 11.
Fig. 4-1
Fig. 4-2
Fig. 4-3
Fig. 4-4
Before lubricating, ALWAYS turn the power switch OFF and check that the machine has already stopped.
Never add additives to the oil.
If added, it can cause the deterioration of the oil and the
damage to the machine.
Fig. 4-5
1. Too much oil or insufficient oil can cause oil leakage
and machine trouble. Be sure to keep the oil level be-
tween the lines. Also too much lubrication can cause
the oil scatter and material stain.
2. Supply with a few amount of oil into the hole peri-
odically.