21
11-8 Oiling each part
The clutch has been greased at the factory. Add grease before it runs out.
Turn the handwheel to align mark A on the housing with mark B on the lever.
Remove screw C of the oil hole and then supply grease.
Remove screw D and grease the bearing.
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12
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EMK FRONT KNIFE DEVICE
12-1 Adjusting and oiling the lower knife holder
Loosen screw A to change the position of the lower
knife holder. The upper and lower knife holders can
be adjusted left to right simultaneously.
When changing the distance from the right needle to
the fabric edge, adjust the lower knife holder.
12-2 Replacing the lower knife
1.
Loosen screw C on the collar. Move the shaft to
the right to provide clearance up and down.
2.
Tighten screw C on the right collar temporarily.
3.
Loosen screw D.
Remove lower knife E downward.
4.
Align the blade of new lower knife E with the top
surface of the needle plate. Tighten screw D.
5.
The upper and lower knives are overlapped by
loosening screw C on the collar.
6.
Place a thread between the knives and check for
the proper cutting action by turning the handwheel by hand. Tighten screw C.
7.
Check for the proper cutting action again.
12-3 Replacing the upper knife
1.
Create clearance up and down between the upper and lower knives (see 12-2 1).
2.
Loosen screw F and remove upper knife G.
3.
Secure a new knife and then check for the proper cutting action (see 12-2 6).
< Note >
Add a small amount of oil to oil hole B periodically.
From the library of: Superior Sewing Machine & Supply LLC
