Outline - Brother MD-602 Service Manual

1. Outline

1.1 Features
• Thread trimming motor MD602/MD612 is a low-priced version of the MD601/611.
• Start tacking (2 to 9 stitches) and end tacking (2 to 9 stitches) are possible even without the operation panel (option).
• Voltage specifications for the single-phase 100V system, single-phase 200V system and 3-phase 200V system are avail-
able.
• The rated output is 400W.
• The motor torque has been greatly increased compared to the MD601/611.
1.2 Combination with Brother sewing machines
1. Single needle lockstitch machines (forward rotation)
B737, (B201) B791, B774, B722, B724, B748A, B798, B728, B772A, B778A, B781, B852, B853, B854, B883
2. Twin needle lockstitch machines (forward rotation)
B842, B872, B845, B875, B847, B848, B837, B877, B878
3. Overlock machine (reverse rotation)
(Note) The motor connections do not need to be changed to enable reverse rotation.
4. Post-type sewing machine (forward rotation)
P73, P81, C51
1.3 Options
• Operation panel F-20, F-40, F-100
• Material edge sensor II, material edge sensor IV, B sensor, bobbing thread detector
• Standing work pedal (variable speed pedal, 2-speed pedal)
1.4 Input/output
• Solenoid output: Four outputs (thread trimming, thread wiper, reverse run, presser foot lift) + one output for options
1.5 Miscellaneous
• Lamp terminal block and fuse mounted on control PCB.
• Only high-speeds are set with the head setting mode.
• Incompatible with magnetic synchronizer.
1
MD-602, 612