JUKI LH-1152-5 Instruction Book Download | Manualshive

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From the library of: Superior Sewing Machine & Supply LLC

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Summary of Contents for LH-1152-5

Page 1: ...phase etc SPECIFICATIONS Stitch specification CAUTIONS IN OPERATION 1 Don t put your hand under the needle when you turn the main switch on or operate the machine 2 Don t put your fingers into the thread take up cover 3 Don t forget to turn the main switch off before you tilt the machine head back or remove the V belt 4 Never bring your fingers or hair close to or place anything on the handwheel V...

Page 2: ... the face plate components such a thread take up lever and needle bar crank is adjustable by turning adjusting pin O bring the marker spot engraved on the adjusting pin close to needle bar crank 0 to minimize or farthest from the needle bar crank to maximize the amount of oil Adjustment of oil amount for the hook Loosen nut O and turn adjusting screw 0 clockwise to increase or counterclockwise to ...

Page 3: ... the thread through thread path O in the bobbin case and draw the thread and the thread will be brought to thread hole 0 via the tension spring Make sure that the bobbin revolves in the direction of the arrow when you draw the thread 7 HOW TO TAKE OUT THE BOBBIN CASE 1 Lift latch O and take out the bobbin case and the bobbin together 2 Hold the bobbin case by latch raised put it into the shaft in ...

Page 4: ...e needle on the left Thread O to for the needle on the right NOTE When you operate the thread trimmer after providing concealed seams attach optional thread guide O Part No 10102259 to the face plate 13 HOW TO OPERATE THE PEDAL High speed Low speed Thread trimming The pedal is operated in 4 stages 1 Depress the pedal lightly forward for low speed operation 2 Depress the pedal further forward for h...

Page 5: ... not to move the hook driving shaft and the main shaft from the above mentioned position 16 THREAD TAKE UP SPRING 0 0 O m 0 o 0 0 k When you want to change the stroke of the spring 1 Stroke of take up spring O on the left is adjustable by moving stopper to the left or the right after loosening stopper setscrew 2 Stroke of take up spring O on the right is adjustable by moving stopper to the left or...

Page 6: ...e the hook shaft gear small Turn the handwheel until lower marker line engraved on the needle bar meets the lower end of the needle bar frame 5 Loosen two setscrews O and adjust the position of hook driving saddle O to provide a clearance 0 02 0 05 mm between needle 0 and hook blade point 0 6 Align the hook blade point with the center of the needle and fix the hook shaft gear small by tightening t...

Page 7: ...ife before positioning the moving knife 31 HOW TO RESHARPEN THE FIXED KNIFE Oilstone Fixed knife As soon as the thread trimmer knife becomes dull resharpen the fixed knife as illustrated using an oUstone 27 THREAD TRIMMER CAM 1 Loosen two screws 0 which set the thread trimmer cam O 2 Align red marker spot 0 on the handwheel with red marker spot O on the machine arm 3 Push cam follower 0 to let cam...

Page 8: ...control lever 0 fully downwards provide a 0 5 to 1 0 mm 1 64 to 3 64 clearance between solenoid 0 and rubber packing 0 on the plunger by moving solenoid bracket 0 up and down and tighten screws 0 34 TABLE OF SEWING SPEED FOR NEEDLE GAUGES Specification Needle gauge Stitch length Sewing speed Max Sewing speed normal S 1 8 3 8 3 2 9 5mm 4mm 4 500 s p m 4 000 s p m 7 16 3 4 11 1 19 1mm 3 800 3 500 7 ...

Page 9: ...g stitch Presser foot Forked top Locomobile forked topJ Feed dog ir Needle 11 20 Swivel guide 2 0mm 2 0mm Needle clamp r Needle 18 22 Common to all specifica No differ a 4 u u Common to all specifications No difference Standard specifications Non standard specifications Specially manufactured upon request Common to all needle gauges Non forked top _ 9 _ From the library of Superior Sewing Machine ...

Page 10: ...he DIP switch cannot be changed For more detail refer to the MC 210 or MC 1 10 Instruction Book 38 TURNING ON OFF THE SWITCHES IN THE PSC BOX 1152 5 When sewing heavy weight material if the motor clutch produces loud noise while sewing at low speed change the setting of DIP switch 2 O mounted on the circuit board in the PSC box to ON This reduces the clutch noise with an approx 20 reduction in the...

Page 11: ...o Remove rough surface using a fine sandpaper or polish the surface using a buffing wheel o Replace the bobbin or the hook o Adjust the bobbin case opening lever according to 25 o Adjust the bobbin thread tension o Adjust the tension components on the thread winder 4 Thread escapes from the needle eye after thread trimming action D Thread tension given by the tension post No 1 is too high Timing o...

Page 12: ...ch Such raised presser foot will be comming down immediately after the knee switch is released 42 MOTOR PULLEY AND V BELT 1 Use Type M V belt 2 The relation between the motor pully belt length and sewing machine revolution is as follows Outer dia meter of the motor pully Part No of motor pully Revolution MTS POIOOOAO 4 250s p m l MTS P00950AO 4 000 3 820 I4 540s p m MTS P00850AO 3 610 4 320 MTS P0...

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