Needle Clamp; Needle Entry - JUKI LH-4128-7 Engineer's Manual

4)

Needle clamp

Conditions
o Needle bar should be in
the lowest dead point.
o Feed amount : 2.5mm
[Dimension for reference] Needle clamp height at the lower dead point of the needle bar
o Spec. S•F
Throat plate mounting surface
LH-4128, 4128-7
Dimension A 15.1±0.15mm
5)

Needle entry

Conditions
o Needle bar should be in the lowest dead point.
o Feed amount : Minimum
o The needle should enter of the needle slot in
the feed dog.
Needle slot in the feed dog
Feed bar
Standard Adjustment
B
D
C
Throat plate mounting surface
A
LH-4168-7 Spec.S
15.8±0.15mm
o LH-4128
o LH-4128-7
– 14 –
o Spec. G
LH-4168-7 Spec. G
14.6±0.15mm
A
LH-4188-7
15.2±0.15mm
o LH-4168-7
o LH-4188-7