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Care and maintenance
30
These maintenance intervals are calculated for the average running time of a
single shift operation. If the machine is operated more than this, shorter inter-
vals are recommended.
10.02 Cleaning
Switch off the machine!
Danger of injury due to uninten-
tional starting of the machine!
● Clean hook area with a brush daily, in
continuous operation several times daily.
● Clean the hook thoroughly once a week.
● Open post cover.
● Set needle bar at its highest position.
● Remove top of bobbin case together
with bobbin
● Unscrew and remove hook gib 1.
● Turn balance wheel until point of bobbin
case 2 has entered into the groove of the
hook race by about 5 mm.
● In this position remove bobbin case 2.
● Clean hook race with petroleum spirit.
● When inserting the bobbin case, make sure that bobbin case position fi nger 3 enters the
slot in the needle plate.
● Screw on hook gib 1.
● Insert bobbin case and close post cover.
10 Care and maintenance
10
.01 Servicing and maintenance intervals
Clean the hook compartment ...........................daily, more often if in continuous operation
Check the hook oil-container .............................................................................once a week
Clean the hook ..................................................................................................once a week
General lubrication .......................................................................................... twice a week
Lubricate the front parts ................................................................................. twice a week
Lubricate the top-feed drive eccentric .................................................................... Annually
1
Fig. 10 - 02
2
3