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Manual Threading

Threading the Left Needle

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A-C  Thread first 3 steps same as first 3 steps in 

 

 

threading upper and lower looper.

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guide and pull thread up.

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across top and down.

 

F.  

Position thread into left side opening of guide.

 

G. 

Pass thread under left side of guide plate.

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front to back. Pull at least 3 inches (7cm) of 
thread through the needle eye.

 

TIP:  

Practice threading your machine at least 

 

 

once a day until you are comfortable with the 

 

 

process.

Left needle 

threading

D

E

F

G

H

A

B

C

D

E

F

G

H

Guide Plate

5

A

B

C

D

E

F

G

H

Summary of Contents for A-LINE Lauren BL450A

Page 1: ...Model BL450A Getting to Know A LINE SERIES Baby Lock Consumer Helpline 800 313 4110 www babylock com...

Page 2: ...dials for balanced stitches Once you re familiar with your machine refer to the instruction and reference guide packaged with your machine for additional directions Like all machines in the A Line Se...

Page 3: ...fact there are two methods for threading your serger Tying on DQG 0DQXDO 7 LQJ RQ LV FHUWDLQO WKH TXLFNHVW WKUHDGLQJ method but manual threading is almost as quick It s a good idea to practice thread...

Page 4: ...ad straight down through the slot so that it passes between the tension discs Give the thread a tug to be sure it is secure between the tension discs RRN WKUHDG IURP WKH OHIW VLGH RRN WKUHDG IURP WKH...

Page 5: ...HDG toward the left G Turn handwheel toward you until the lower looper is in extreme left side position Pass thread through hole using the tweezers 7XUQ KDQGZKHHO XQWLO WKH ORZHU ORRSHU LV LQ H WUHPH...

Page 6: ...G SXOO WKUHDG XS I RRN LQWR JXLGH E VOLGLQJ WKUHDG DFURVV WRS DQG GRZQ g Position thread into right side opening of guide h Pass thread behind right side of guide plate i Use the tweezers to thread th...

Page 7: ...hread up RRN LQWR JXLGH E VOLGLQJ WKUHDG across top and down F Position thread into left side opening of guide G Pass thread under left side of guide plate 8VH WKH WZHH HUV WR WKUHDG WKH OHIW QHHGOH H...

Page 8: ...and lower looper thread knots come through the eyes of the upper and lower loopers 5 Stop the machine and cut needle threads above the eyes of the needles 6 Rethread eyes of needles manually 7 Return...

Page 9: ...hand and start serging 1 When the needle reaches the end of the fabric seam chain off by running the machine until the thread chain is about 2 3 long 2 Stop the machine and cut the thread chain Diagr...

Page 10: ...SSHU ORRSHU WKUHDG SXOOV WRZDUG WKH underside of the fabric OR if the fabric edge curls under the lower looper tension is too tight and the upper looper tension is too loose Diagrams C 3 and C 4 27 OR...

Page 11: ...RI EOXH IRU WKH outside base 7ZR SLHFHV RI JROG IRU WKH outside base center strips RXU SLHFHV RI JUHHQ IRU WKH outside base 2 Thread the serger for a four thread stitch with the woolly nylon extra th...

Page 12: ...er corner on the opposite side This will give the bag a flat bottom 13 Repeat this step for the outside bag bottom corners 14 With right sides together serge each strap piece lengthwise 15 Turn the st...

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