Brother 2504D User Manual

Disassembly
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Disassembly Disassembly
Upper blade / Lower blade / Looper
4
Over looper L assy
1. Remove the screw (set screw, socket (CP) M4x4). Pull out the OL shaft from the O.L shaft and the OL
lever. Pull out the O.L shaft from the OL shaft guide.
*Assembling note
• Fully tighten the screw after performing "Over looper / lower looper gap adjustment".
2. Remove the screw (set screw, socket (CP) M4x4) to remove the over looper L assy from the O.L shaft.
3. Remove the screw (set screw, socket (CP) M4x4). Pull out the guide shaft to remove the washer plain
M SM4.76 and the OL shaft guide. Remove the retaining ring E4 from the guide shaft.
*Assembling note
• Check that the OL shaft guide is not a wobble, and it moves smoothly.
Fig. 2-4
Set Screw, Socket (CP) M4X4
Set screw, socket
(CP) M4x4
Set screw, socket
(CP) M4x4
Set screw, socket
(CP) M4x4
O.L shaft
OL shaft
OL shaft guide
Over looper L assy
Guide shaft
Washer plain M
SM4.76
Retaining ring E4
OL lever

Brother 2504D Specifications

General

Type	Overlock
Differential Feed	0.7 - 2.0
Free Arm	Yes
Color-Coded Threading	Yes
Needle System	130/705H
Stitch width	5.0 - 7.0 mm
Stitch length	2.0 - 4.0 mm
Maximum Sewing Speed	1, 300 stitches per minute
Number of threads	3 or 4
Stitch Options	4 thread overlock, 3 thread overlock