Lewis 17 - Page 16

14
42. To remove bobbin case, we recommend that the presser
foot be removed first as per instructions in Paragraphs 38 and 39.
Figure G
Correct Position
of Hook for Re-
moving Gib Screws
and Gib.
Figure H
Gib and Screws
Removed for
Bobbin Case
Replacement.
Figure I
Relative Position
of the Latch to the
Point of the Hook
For Removing
Bobbin Case.
43. See that the point of the hook is at its lowest point as per
illustration above. Then remove both gib screws 1039 which holds gib
1037 in position on the hook. See Figure H. After removing gib, turn
bobbin case to the left one-quarter turn. This releases the bobbin
case from the hook.
44. Inasmuch as the ·bobbin case fits snugly in the raceway of
the hook,.it may be necessary to use slight pressure to cause it to
release. Use fingers only to remove the bobbin case and do not insert
screw driver or any other object as a lever, as this is apt to break the
bobbin case. To insert bobbin case in hook, see that the latch is in
line with the point of the hook as. per illustration, Figure I. Replace
hook gib in position,· and securely tighten screws 1039. Turn bobbin
case so that the groove, Figure A, is at the bottom and fits into the
notch on the bobbin case retainer as noted in paragraph 40.
REPLACING AND T1MING HOOK
45. Remove gear cap 1072, which is in back of the machine in
. line with the hook. Remove gear 1030, Plate 3,
Page 32, by loosening both screws holding same.
Remove needle and press·er foot, as per instruc-
tions in Paragraphs 38 and 39. Remove Bobbin
cas_e release 445-251 by removing screw which
holds same in position. With these various parts
out of the way, the hook can be withdrawn fr.om
Figure J
Hook l040A
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