SINGER 143G2 - Manual (Page 12)

20
To Remove the Arm Shaft
Remove the am shaft connection belt and the machine pulley
Loosen the set screws and remove the position screws In the upper
belt
pulley and the feed lifting eccentric (N,Flg.5). Remove the
top and bottom studs ( F I and LI,Fig.19) and the eccentric stud
(KL) In the needle bar frame after loosening the set screws which
hold them, and remove the needle bar frame. Remove the two gibs
(01 and Jl,Flg.l9) which hold the needle bar connecting link In
the guide block. Loosen the set screw (at H,Flg.3) which holds
the take-up lever stud. Also remove the position screw and loos­
en the set screw In the perimeter of the needle bar crank,through
the hole in the casting (B,Flg.2), and remove the take-up and
crank. Loosen the set screw (E,Flg.3) which holds the front
bushing and withdraw the arm shaft, with the front bushing, from
the needle bar end. If the bushing should stick. Insert a brass
rod through the am cap hole and drive the bushing out.
Feed Mechanism
To take up lost motion of the feed driving and lifting con­
nections, adjust their pinch screws (0,Flg.5).
To prevent the feed dog from striking either end of the slots
In the throat plate, loosen screw (K,Flg.6) and move the feed dog
forward or backward until the longest stitch can be taken without
the feed dog striking the throat plate, then tighten the screw
( K ) .
To Raise or Lower the Feed Dog
Usually when at Its highest position, the feed dog should
show a full tooth above the throat plate.
Remove the throat plate; clean the lint and dirt from be­
tween the feed points and replace the throat plate; tip the ma­
chine back and turn the machine pulley toward you until the feed
dog
Is at Its highest position; loosen screw (Z, Fig. 21) and
raise or lower the feed dog as required, then tighten the screw
( Z ) .
Loosen the two screws (CX;,Flg.21) and turn the eccentric stud
(BB,Flg.21) to level the feed dog, then tighten the screws (CC).
Titc s
am
To get replacements
that are the same
as parts in new
machines...
BUY PARTS AND
NEEDLES MADE BY S I N G E R
TO BE DOUBLY S U R E . . .
of new machine performance, make sure that all
replacement parts and needles are precisely
identical to those in new SINGER machines.
Look for the trademark
SINGER or SIMANCO
O on every package or container
© on the needle or numbered part
Needles in containers marked “For Singer Machines" are NOT made by SINGER.
TO ALL WHOM IT M A Y CONCERN;
Th. improper placing or renewal of the Trademark "SINGER" or
any other of the Trademarks of The Singer Company (all of which are
duly Regiitered Trademark») on any machine that ha* been repaired, re­
built, reconditioned, or altered in any way whatsoever outside a SINGER
factory or an authorized SINGER agency is forbidden.