12 - 1
Care and maintenance
12
Care and maintenance
Clean .............................................................. daily, more often if in continuous operation
Oil level (lubricating the front parts) ......................................................... daily before use
Oil level (Thread lubrication) ..................................................................... daily before use
Lubricate the hook ................................................................................... daily before use
Lubricate the bevel gears ..................................................................................... annually
Clean the air filter .......................................................................................... once a week
Lubricate the trimming mechanism ( only -726/05 ) ..................................... twice a week
Fig. 12 - 01
5 mm
1
2
These maintenance intervals are calculated for the average running time of a
single shift operation. If the machine is operated more than this, shorter
intervals are recommended.
12
.01
Cleaning
Clean the hook and hook compartment daily, more often if in continuous operation.
Turn the machine off!
●
Bring the needle bar to its highest
position.
●
Open the post cap and remove the
bobbin case cap and the bobbin.
●
Unscrew hook gib
1
.
●
Turn the handwheel until the point of
bobbin case
2
penetrates into groove
approx.
5 mm
.
●
Remove bobbin case
2
.
●
Clean the hook race with paraffin.
●
When inserting the bobbin case
2
,
ensure that the horn of the bobbin case
2
meshes in the groove of the needle
plate.
●
Screw hook gib
1
back on.
●
Insert the bobbin case with the bobbin
and close the post cap.
