Sewing Foot Lifting (Mechanical) - Dürkopp Adler M-Type 869 Serviceanleitung

2.11 Sewing foot lifting
211.1

Sewing foot lifting (mechanical)

1
6
2 1
Caution: Danger of injury!
Turn off the main switch.
Only check and adjust the play in the raising mechanism when the
machine is switched off.
Standard checking
The elevating shaft 6 must be smooth running but must not have any
axial play.
The play in the raising mechanism should be about 0.5 mm between
spring guide 2 and the elevating lever 1.
–
Lower sewing feet.
–
Turn the hand wheel until the material pressure foot comes down.
–
Move the elevating shaft 6 and check play.
Correction
Place the elevating shaft close by.
–
Unscrew the electronic and pneumatic unit 5.
–
Undo the screw on adjustment ring 3.
–
Push the elevating shaft completely to the right (see arrow), push
the adjustment ring 3 onto the bearing bush and screw on.
ATTENTION!
The shaft must still run smoothly.
Elevating shaft play
–
Undo the screws 4 on the elevating pulley.
–
Turn the elevating shaft 6 until there is some play.
–
Do up the screws on the elevating pulley 4.
5 4 3
GB
31