
Adjustment
13.
04.13
Feed wheel height ( 1471E1 )
Requirement
1. With the roller-presser lowered, the feed wheel
4
must protrude above the needle
plate at a distance equal to the height of the teeth ( approx.
0.8 mm
).
2. With the roller-presser raised, feed wheel
4
must have a play in height of approx.
0.3 mm.
Fig. 13 - 12
●
Swing out the roller-presser.
●
Loosen screws
1
and
2
.
●
Turn the driving gear
3
according to
requirement 1
, ensuring that the teeth of driving
gear
3
and feed wheel
4
are engaging properly.
●
Tighten screws
1
.
●
Move guide
5
according to
requirement 2
and tighten screws
2
.
2
3
0.8 mm
0.3 mm
5
4
1
1
13 - 17