Brother International S-7220B Instruction Manual - English - Page 9
Machine Specifications - s - 405
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2. MACHINE SPECIFICATIONS Quick reverse Thread wiper 2. MACHINE SPECIFICATIONS 4 O O Lubrication type 0 Minimum lubrication 3 Semi dry 3 5 Use For medium-weight For heavy-weight materials materials Max. sewing speed -403 5,000 rpm*1 -433 4,000 rpm Start backtacking and continuous backtacking speed 220 - 3,000 rpm End backtacking speed 1,800 rpm Max. stitch length 4.5 mm Presser foot Lifting lever 6 mm height Knee lifter 16 mm Feed dog height 1.0 mm Needle (DB×1, DP×5) #11 - #18 Motor AC servo motor (4-pole, 450W) Control circuit Microprocessor *1...When sewing at speeds of 4,000 rpm or higher, set the stitch length to 3.5 mm or less. *2...When sewing at speeds of 3,000 rpm or higher, set the stitch length to 4.5 mm or less. -405 4,000 rpm*2 5.5 mm 1.2 mm #19 - #22 Rotary hook -403, -433 Lubricated / for medium materials -405 Lubricated / for heavy materials Lubricating oil Rotary hook Needle bar -403, -405 High-speed spindle -433 High-speed spindle Special Brother grease S-7220B 2