– 23 –
❶❶
❷❷
❺❺
6-9 Clearance between the needle and the blade point of hook
○
Remove the face cover and the throat plate.
Adjustmentprocedure
1. Loosen screw
❶
and
❺
.Adjusttheclearancebetweentheneedleandthebladepointofthehookto0.02
to0.07mmbyturningadjustingshaft
❷
.
Left needle position Right needle position Right needle positionLeft needle position
If the clearance is larger at the right needle
entry point, shift
❹
to the right.
If the clearance is larger at the left needle
entry point, shift
❹
to the left.
Adjustingthebalanceoftheclearancesattherightandleftneedleentrypoints
1.Selectthezigzagpatternandsetthezigzagwidthto7mm.Adjustthebalanceoftheclearancesprovided
betweentheneedleandthebladepointofthehookattherightandleftneedleentrypoints.
0.02 to 0.07 mm