Setting the feed dog
40 Service Instructions 869-M PREMIUM - 00.0 - 07/2018
8.2.2 Setting the feed dog height at top dead center
The feed dog reaches the maximum stroke height at top dead center.
Proper setting
Place the feed dog in the uppermost position by turning the handwheel.
The upper edge of the feed dog protrudes 0.6 - 1 mm above the
throat plate.
To set the feed dog height at top dead center:
1. Execute the service routine Feed dog > Movement
( p. 14).
The software is used to define the necessary presettings on the
machine.
2. Turn the handwheel until the feed dog is at its highest position.
Fig. 27: Setting the feed dog height at top dead center
3. Remove the free arm cover (1).
4. Loosen the screw (2).
5. Move the feed dog (3) until it protrudes 0.6 - 1 mm from the throat plate.
6. Tighten the screw (2).
7. Finish the service routine.
(1) - Free arm cover
(2) - Screw
(3) - Feed dog
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