
GHE-1207 Service Manual
10
8. Positioning of Bobbin case
Tool:
Phillips screwdriver.
Standard:
Distance is 1mm between bobbin case and stop shrapnel holder (C2900-023/730152)
Adjustment:
A.
Open needle plate
B.
Loosen screw (A) of bobbin case stop plate (730151) on needle plate
C.
When the gap is more than 3.7mm as below standard figure shown bobbin case stop plate needs to be
adjusted lower.
D.
When the gap is less than 3.7mm as below standard figure shown bobbin case stop plate needs to be
adjusted upper.
E.
Tighten screw (A) of bobbin case stop plate and install needle plate and bobbin case back.
F.
Check bobbin case has 1mm gap with stop shrapnel holder (C2900-023/730152)
Stop shrapnel holder
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