Adjusting The Bk Front Knife Device; Adjusting The Clearance Between The Left And Right Knives; Disassembling/Reassembling The Lower; Knives - KANSAI SPECIAL DVK1702B Instruction

【13】ADJUSTING THE BK FRONT KNIFE DEVICE

13-1 Adjusting the clearance between the left and right knives

Clearance A should be divided into half by the center line of the needle bar.
■To make the above adjustment
1. Loosen the upper (left and right) knives by loosening screws B and C.
2. To adjust the clearance between the lower left and right knives, loosen screws D and
E.
3. Fit lower knife (left and right) holders F and G onto guide plates H.
Tighten screws D and E.
4. Fit upper knife (right) P onto the lower knife (right). Then tighten screw C.
5. Fit upper knife (left) O onto the lower knife (left). Move upper joint bracket I to the
right to press spring J. Then tighten screws B while pressing them to the flat spot.
13-2 Disassembling/reassembling the lower knives
■To disassemble the lower knives
1. Loosen screws B.
Move upper knife joint bracket I to the left so
that the spring can be released.
2. Remove the lower knives by removing screws
K.
■To reassemble the lower knives
1. Install lower knives L on knife holder F or G
with the point of each cutting edge turned
outside.
2. Adjust lower knives L so that each cutting edge
of lower knives L is flush with the top surface of
auxiliary feed dog plate. Then tighten screws
K.
3. Move upper joint bracket I to the right to press
spring J.
pressing them to the flat spot.
Then tighten screws B while
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