Maintenance - Duerkopp Adler 669 Service Instructions Manual

4.

Maintenance

Maintenance work to be carried out
Sewing head
- Remove sewing dust and thread waste . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Check the oil level in the oil reservoir for the lubrication of
the machine head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sewing motor
- Clean motor fan grill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Check status and tension of the V-belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pneumatic system
- Check water level in the pressure regulator . . . . . . . . . . . . . . . . . . . . . . . . .
- Clean filter element of the compressed air maintenance unit . . . . . . . . .
- Check the tightness of the pneumatic system. . . . . . . . . . . . . . . . . . . . . . . .
Caution: Risk of injury!
Turn the main switch off.
The maintenance may only be carried out with the sewing machine
switched off!
The daily or weekly maintenance work (cleaning and oiling) to be
carried out by the operators of the sewing machine is described in the
operating instructions (part 1). It is only listed in the following table for
the sake of completeness.
Operating hours
8 40 160 500
x
X
X
X
X
X
X
GB
47