(7) Crank balancer positioning
Standard Adjustment
[Rotating direction]
When the needle bar
lowers and the clearance between the needle bar connecting
and needle bar lower
bushing
is 4.6 mm, 2 setscrews
of the crank balancer
becomes horizontal position.
[Axial direction]
Bring the main shaft eccentric cam
into contact with the crank balancer
.
B
A
4.6mm
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