JUKI MEB-3200 Engineer's Manual page 25

Adjustment Procedures
1) Adjusting the longitudinal position of the knife holder
1. Loosen knife stopper setscrew 1.
2. Loosen knife fixing plate setscrew 4 and adjust so that the
plane A of knife holder 3 is aligned with the plane B of cloth
cutting knife 5. Then tighten knife fixing plate setscrew 4 to
fix knife holder 3.
3. Press knife stopper 2 against knife holder 3. Then tighten
knife stopper setscrew 1 to fix the stopper.
(Caution) 1. Note that there are new and old knife installing
bases 6.
2. For the new type, in case of SS/RS types and
JS/CS/TS types, the respective positions of knife
stopper are different from each other.
3. For the new type, in case of JS/CS/TS types, two
stoppers are added to the air blow hole for SS/
RS types.
Screw hole for knife
stopper (SS, RS)
Screw hole for knife
stopper (JS, CS, TS)
Hole for air blow
(JS, CS, TS)
Hole for air blow (SS, RS)
(With stoppers in case of
JS, CS, TS)
New (Part No. : 32061210)
2) Adjusting the lateral position of the knife holder
1. Turn the cloth cutting dial and lower the knife holder 2 to the
state immediately before knife holder 2 and cloth cutting knife
3 engage with each other.
2. Loosen two setscrews (rear and front) 1 in the knife installing
base.
3. Adjust knife installing base 4 to the left and right as the arrow
mark "a" so that cloth cutting knife 3 comes in the center of
knife holder 2. Then tighten two setscrews 1 (rear and front)
in the knife installing base to fix knife installing base 4.
(Caution) 1. When fixing knife installing base 4, adjust so
that there is no clearance between the respective
knife installing base 4, cloth cutting spacer 5
and direct drive shaft 6.
If there is any clearance, knife holder 2 tilts and
cutting failure or cloth cutting knife 3 breakage
may occur.
2. Note that there are new and old knife installing
bases 4.
Screw hole for
knife stopper
Hole for air blow
Old (Part No. : 32061202)
21
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Results of Improper Adjustment
When the longitudinal position of
the knife holder is improper :
™ Cutting the cloth at a given
length cannot be performed.
™ The hole of knife holder comes
in contact with the knife, and the
cloth on the part cannot be cut.
™ The hole of knife holder comes
in contact with the knife, and
cloth waste cannot be collected.
When the lateral position of the
knife holder is improper :
™ The hole of knife holder comes
in contact with the knife, and the
cloth on the part cannot be cut.
™ The hole of knife holder comes
in contact with the knife, and
cloth waste cannot be collected.