– 17 –
6-7 Clearance between the needle and the blade point of hook
○
Remove the face cover and the throat plate.
Adjustmentprocedure
1. Loosen screw
1
.Adjusttheclearancebetweentheneedleandthebladepointofthehookto0.02to0.07
mmbyturningadjustingshaft
2
.
1
2
Left needle position Right needle position Right needle positionLeft needle position
If the clearance is larger at the right needle
entry point, shift
4
to the right.
If the clearance is larger at the left needle
entry point, shift
4
to the left.
Adjustmentprocedure
1. Select No. 2: FAGOTT of the service mode.
2.Graduallyturnadjustingshaft
2
tondapositionwheretheneedledeviatesslightly.Now,temporarily
tighten screw
1
.
3. Slightly loosen setscrew
3
.Adjustthelateralbalanceoftheneedlebarbyslightlymovingright-leftadjuster
4
while carefully listening to the noise produced when the needle deviates at the right and left needle entry
points. Then, securely tighten setscrew
3
.
4. Additionally turn shaft
2
and securely tighten screw
1
at the position where the needle does not deviate.
5.LightlytapPsectionwithngers.Ifyouhearaneedledeviationnoiseattherightandleftneedleentry
points,theoptimumclearanceisprovidedbetweentheneedleandthehook.
1
2
4
3
P section
Adjustingthebalanceoftheclearancesattherightandleftneedleentrypoints
1.Selectthezigzagpatternandsetthezigzagwidthto7mm.Adjustthebalanceoftheclearancesprovided
betweentheneedleandthebladepointofthehookattherightandleftneedleentrypoints.
0.02 to 0.07 mm
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