9.03.11 9625
Height of the feed wheel on the 9625
，（ ）。
， 。
1.
2.
4 0.8 mm
4 0.3 mm
Requirement
4
0.8 mm
4
0.3 mm
1. when pressure is applied to the feed wheel , it should protrude from
the needle plate by tooth height (approx. ).
2. when no pressure is applied to the feed wheel , it should have a ver-
tical play of approx. .
● 。
● 。
● ，
。
●
。
● 。
●
●
●
●
●
1 2
1 3 3 4
1
2 5 2
1 2
3 Requirement 1
3 4
1
5 Requiremnet 2 2
Swing out the roller presser.
Loosen screws and .
Adjust drive wheel according to , taking care to see that
the teeth of drive wheel and feed wheel lock into each other properly.
Tighten screws .
Adjust guide according to and tighten screws .
9-15
Adjustment
9.05.04
Bevel gear play
( 9625 9620 )
(on the 9625 and 9620)
9-48
Adjustment
， 。
， 。
1.
2.
6 7
6 8
Requirement
6 7
6 8
1. when sewing forwards, there must be a slight play between bevel gears
and .
2. When sewing backwards, there must be a slight play between bevel
gears and .
/
Disconnect air supply of the air filter/ lubricator.
Move unit by hand as far as possible to the right.
Adjust bracket (screws ) according to .
Move unit by hand as far as possible to the left.
Adjust screw (nut ) according to
●
。
● 。
●
（ ）。
● 1。
●
（ ）。
●
●
●
●
● .
1
1 2 3
2 2 5
1
2 3 Requirement 1
1
4 5 Requirement 2
9.03.12 9620
Height of the feed wheel on the 9620
，（ ）。
， 。
1.
2.
4 0.8 mm
4 0.3 mm
Requirement
4
0.8 mm
4
0.3 mm
1. when pressure is applied to the feed wheel , it should protrude
from the needle plate by tooth height (approx. ).
2. when no pressure is applied to the feed wheel , it should have
a vertical play of approx. .
● 。
●
（）。
● ，
。
●
。
● 。
●
●
●
●
●
1 2
1 3 3 4
1
2 5 2
1 2
3 Requirement 1
3 4
1
5 Requirement 2 2
Swing out the roller presser
Loosen screws and (two screws each).
Adjust drive wheel according to , taking care to see that
the teeth of drive wheel and feed wheel lock into each other properly.
Tighten screws .
Adjust guide according to and tighten screws .
9-16
Adjustment
1.
2.
1. bevel gear must fit well on the left side.
2. there must be a distance of between bevel gear and bever
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