Machine Specifications - Brother S-7220C Instruction Manual

1. MACHINE SPECIFICATIONS

1. MACHINE SPECIFICATIONS
Max. sewing speed
Start backtacking and continuous backtacking speed
End backtacking speed
Max. stitch length
Lifting lever
Presser foot
height
Knee lifter
Feed dog height
Needle (DB×1, DP×5)
Motor
Control circuit
1
* ...When sewing at speeds of 4,000 sti/min or higher, set the stitch length to 3.5 mm or less.
2
* ...When sewing at speeds of 3,000 sti/min or higher, set the stitch length to 4.5 mm or less.
.
1
Quick reverse
Thread wiper
Lubrication type
Use
0547D
Rotary hook
for medium materials
Lubricating oil
Rotary hook
Needle bar
0
Minimum lubrication
3
For medium-weight
materials
-403
1
5,000 sti/min*
4.5 mm
1.0 mm
#11 - #18
-403, -433
Lubricated /
-403, -405
High-speed spindle
S-7220C
4
O
O
Semi dry
For heavy-weight materials
-433
4,000 sti/min
220 - 3,000 sti/min
1,800 sti/min
6 mm
16 mm
AC servo motor
Microprocessor
-405
Lubricated /
for heavy materials
-433
High-speed spindle
Special Brother grease
3
5
-405
2
4,000 sti/min *
5.5 mm
1.2 mm
#19 - #22