2
Directions for use
These service instructions are intended to be used
by service workshop personnel or by salesmen who
carry out servicing in their own districts themselves.
They assume a thorough knowledge of the handling
of precision appliances and accessibility to service
tools.
The manual is divided into three sections and
includes all service points and checks which should
be carried out during a complete overhaul of a
sewing machine.The first section includes the
control of the a equate functioning of integral details.
The second section deals with the various settings
which must be maintained to ensure that the
machine functions in a satisfactory way.
The third section deals with dismounting, mounting
and setting the electronic units included in the
machine.
The diagrams only give an indication as to where
the detail or mechanism mentioned is located in the
machine. For more detailed information regarding
the construction, etc., refer to the diagrams in the
spare parts list. The codings of the details refer to
these diagrams-as an example, detail 5/37 can be
seen in the spare parts list on page 5, pos. 37.
Contents Page
Visual control of details 3-9
Setting instructions 10-29
Electronic units 30-44
The following details should be visually checked
See page
Stitch plate 3
Presser foot 3
Feed dog 3
Bobbin case 4
Hook cover 4
Hook 5
Driver 5
Cog belt 6
V-belt 6
Reduction gear 7
Terminal board 7
Motor 8
Foot control 9
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