30
Electronic units
Regarding fault-finding and checking the functioning
of the electronic units, refer to “Operating Instructions
for Electronics Diagnoser”, Ordering No.
104 8027-01 and “The Service Cassette”, Ordering
No. 411 6503-03. Note that “Speed control”-the
stop-right function” is not covered by the diagnoser.
Contents See
page
How to use the Service Cassette 31
Speed control-the stop-right function.
The motor drive 32
The lowest speed of the machine 33
The homing speed of the machine 33
Setting the stop-right position of the needle 34
The movement of the needle bar frame
(the zig-zag movement).
Dismounting of the step motor 35
Pre-setting of the step motor 36
Mounting of the step motor 37
Arm shaft circuit
Dismounting-mounting 38
Guiding of the feeding movement.
Dismounting of the step motor 39
Pre-setting of the step motor 40
Mounting of the step motor 41
Setting the movement of the feed dog in
relation to the needle 42
Setting the balance between forward and
reverse feeding 43
Cable holder, flat cable and printed circuit.
Mounting 44
To Next Page
Loading...
Need help?
General
