Garudan GOV-1004-24, Руководство пользователя

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3. Changing and adjusting feed dogs
Changing feed dogs:
Loosen screw (1) can change main feed dog (4).
Loosen screw (2) can change differential feed dog (3).
After changed feed dogs, tighten screw lightly. Please
refer to following items in order to set up correct
position of feed dogs. Then, tighten set screw.
Adjusting feed dogs after changed:
After change feed dogs, must adjust feed dogs to
its correct position. Turning belt pulley, make sure
main feed dog (2) to its highest position, make sure
the tip of feed dog teeth higher than top of needle
plate by 0.8 - 1 mm (standard setting value). Then,
turning belt pulley, lowering main feed dog, make
sure the tip of teeth line even with top of needle
plate, then, adjusting the tip of teeth of differential
feed dogs line ever with top of needle plate. After
set up, tighten screw (1), (2) and make sure feed
dogs are at its correct position again. After
adjusting, please tighten screw (1), (2) and in the
same time, please make sure:
a) If feed dogs will raise 0.8 - 1 mm. Above the top of needle plate by turning belt pulley and moving
feed dog up.
b) If feed dogs will hide underneath the needle plate by keep turning belt pulley.
Adjusting feed dogs level (tilt amount):
During feed dogs movement,
the teeth of feed dogs must
be level off always. Adjusting
its level or during some
special requirements, feed
dog teeth must tilt to front or
rear.
a) Loosen screw (2)
b) Turning shaft (1) in order
to adjust level of feed dogs
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