18
The maximum speed of the sewing machine is 4,500 s.p.m,
and 4,000 s.p.m for commercial use.
To ensure durability, run the sewing machine at 3,500 s.p.m
for 200 hours of operation (or 1 month) when using the
machine for the first time.
As shown in figure 18, the rotating direction of the lower
shaft pulley
①
and upper shaft pulley
②
is clockwise.
[ Figure 18 ]
1) Lubricating oil
Use industrial-purpose lubricating oil supplied by SunStar or SF oil by YANASE for this particular type of sewing machine.
Sewing speed and rotating direction of pulley
①
②
55
66
Lubrication
Be sure to turn the power switch off before oiling
Warning
Do not put foreign materials into the lubricating oil. It will degrade the lubricating oil and
cause mechanical breakdowns.
Caution