Singer 591 - To Remove and Replace the Presser Bar; Needle Thread Take-Up

To replace the piesser bar:
1. Slip presserbar down through lifting leverlink H, Fig. 20 and lower presser bar bushing.
2. Replace presser foot and presser bar pressure regulating thumb screwR2with presser bar guide.
3. Set presser bar at correct height, as instructed on page 4, and tighten screw J.
NEEDLE THREAD TAKE-UP
Fig. 21
Fig.. 22
U2
To remove the needle thread takemp:
1. Removeface plate and arm hole plug S2, Fig. 22, from machine.
2. Remove needlebar, upper needlebar bushing(drop feed), needle bar frame (compound feed) Fig.37, page24
and presserbar pressureregulatingthumb screw R2, Fig. 20, page 13.
3. Tum machine pulley as required to reach screwT2, Fig. 22, in needlebar crankthroughhole left by removal of
plug S2. Loosen set screw T2.
4. Using wrench 545945(through same hole)and turning machine pulley asrequired,loosenthe large hexagon head
clamping screw U2, Fig. 22 on needle bar crank.
CAUTION: DO NOT DISTURBthe smallerhexagon head position screwV2, Fig. 22, which holds the needle bar
crank at its correct position on the horizontal arm shaft.
5. Loosen small set screw W2, Fig.
21, in the rear of the arm of the machine.
6. Remove holder screw H3. Pullinggently, draw entire oilwick holder assembly out of the head of the machineas
instructed on page 17.
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From the library of: Superior Sewing Machine & Supply LLC