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8.
Put the V-belt on and tighten for the FIR clutch motor
Take off the protective cover.
–
Remove handwheel 1.
–
Remove the protective belt cover 4 on the sewing drive.
Put on the V-belt and mount the protective cover.
–
Fasten the belt pulley (in the drive package) to the shaft of the
sewing drive.
–
Put the V-belt 6 on the belt pulley 7 located on the machine head.
–
Guide the V-belt 6 downwards through the cut-out in the table
plate.
–
Loosen the screw 3 on the base of the sewing drive.
–
Put the V-belt 6 on the sewing drive's belt pulley.
–
Mount the protective belt cover 2 on the machine head.
–
Mount the handwheel 1.
Tightening the V-belt
–
Loosen the screw 3 on the base of the sewing drive.
–
Tighten the V-belt by swivelling out the sewing drive.
When the belt has the correct tension, you should be able to press
down with your finger in the middle of the belt 6 (without excessive
force) so that the belt moves about 10 mm down.
–
Tighten screw 3.
Assembling the protective belt cover on the sewing drive
–
Adjust the belt run-off safeguard 5 (an adjustable angle or cam,
depending on the drive type) on the belt cover 4 as follows:
When the machine head is tilted back, the V-belt 6 must remain on
the belt pulley.
Also refer to the operating instructions from the motor
manufacturer.
–
Screw on the lid of the belt cover 4.
GB
21
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