ā 30 ā
(15) Vertical position of the needle bar rocking frame
Conditions : Feed amount : 0 mm
: Rear metal thrust : 0.6 mm
o Respective clearances of the vertical position of the needle bar
abcd
2-needle 0.2mm Without 0.4mm 0.2mm
1-needle 0.2mm 0.15mm Without 0.2mm
Clearance
State
(Make the respective clearances more than numerical values in the list above.)
Rocking
frame
Needle stop
ball slide shaft
Rear metal
thrust plate
Needle bar
rear metal
Lowest dead point of
needle bar connection
Highest dead point of
needle bar connection
Needle bar
fixing shaft
Half ring
Needle stop
push rod
Needle bar
lid screw
a
bc
d
Needle bar rocking frame shaft
Up
Pushing direction
33.36mm
Standard Adjustment
Needle stop
adjusting shaft
sleeve
Range of
adjustment
Down