Care and maintenance
10 - 1
These maintenance intervals apply to the average machine running time in sin-
gle-shift operation. If machine running times are increased, it is advisable to
shorten these intervals.
10.01 Cleaning the hook areas and the hooks
Switch the machine off!
Danger due to unintentional
starting of the machine!
Cleaning hook areas:
● Clean hook areas with a brush daily,
more frequently if in continuous
operation.
Cleaning hook
● Clean both hooks thoroughly once a
week; to do so, open hook cover.
● Set needle bar at its top position.
● Take out bobbin case together with
bobbin.
● Remove hook gib 1.
● Turn the balance wheel until the tip of the hook base enters the groove of the hook race
by about 5 mm, and take out hook base 2.
● Clean hook race with petroleum spirit.
● When inserting the hook base, make sure that lug 3 fits into the slot of positioning stop 4.
● Screw on hook gib 1.
● Insert bobbin case and close bed slide.
10 Care and maintenance
Clean hook areas ...................................daily, more frequently if in continuous operation
Check oil level (hook oil container) ................................................. daily, before operation
Check/adjust air pressure................................................................taily, before operation
Clean hook .................................................................................................once per week
Clean oil filter of air filter/regulator ............................................................. when required
Fig. 10 - 01
2
1
5 mm
3
4
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