Adjustment
2 Adjustment
Please observe the safety instructions of this service manual as and the
notes on safety in the instruction manual before carrying out any
maintenance or adjustment work.
On the 480 series no c-clamps may be attached to the needle bar as this
would damage the special coating on the needle bar.
Refer to the motor manufacturer’s instruction manual for the setting of the
cutting torque (180 min
-1
).
2.01 Notes on the service manual
All adjustments in this servicing manual apply to a fully assembled machine. Covers on
the machine which have to be removed and replaced for checking and adjustment work
are not mentioned in the text.
Screws and nuts mentioned in brackets () are to be loosened before making an adjustment
and tightened again when the adjustment is complete.
2.02 Tools, gauges and other accessories
● Screw drivers with blade widths from 2 to 10 mm
● Wrenches with jaw widths from 7 to 14 mm
● Allan keys from 1.5 to 6 mm
● Metal rule, part no. 08-880 218-00
● Rig pin (diameter: 5 mm), part no. 13-030 341-05
● Clearance control device
● Sewing thread
2.03 Abbreviations
t.d.c = top dead centre
b.d.c. = bottom dead centre
2.04 Work symbols
Note, information
Servicing, repair,
adjusting, maintenance
2 - 1
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