Страница 1: ...Service Manual SINGER INDUSTRIAL PRODUCTS A Trademark of THE SINGER COMPANY Copyright 1981 THE SINGER COMPANY All Rights Reserved Throughout the World U141...
Страница 2: ...ve to Needle Hook Removal Hook Timing 12 4 5 13 14 13 Thread Tensions Threading Bobbin Case Threading Lower Threading Upper DESCRIPTION OF MACHINES High speed two needles long arm lock stitch compound...
Страница 3: ...eed le bar stroke Take up stroke Clearance under presser foot Maximum stitch length Maximum speed Bed length Bed width Space at right of needle Need le Oil 1 5 16 33 34 mm 2 079 52 8 mm 1 4 6 35 mm 6...
Страница 4: ...oving parts and bearings the r 1achine should be oiled regularly In case of continuous use it shou Id be oiled even more o ten if it is used to prodxe long seams arid run steadily Fill r 1achine arr r...
Страница 5: ...way is lubricated by 011 pumped from the hook saddle reservoir while the machine is operat ing The amount of oil received by hook receway is very important To check this first remove bobbin case Then...
Страница 6: ...by size of thread and type of material to be sewn Orders for needles should state quantity required size number and catalog number For example 100 Needles Size 14 Catalog 1901 SETTING THE NEEDLES Turn...
Страница 7: ...eft hand holding one end of thread twirl other end with thumb and forefinger of right hand over toward you If left twist thread strands will wind tighter If right twist thread strands will unwind or s...
Страница 8: ...ws and swing latch away from bobbin for less thread on bobbin swing latch toward bobbin Tighten screws It the thread does not wind evenly loosen lock nut and turr tension bracket up or down as require...
Страница 9: ...hown in Fig 15 Turn machine pulley slowly until screw is accessible To increase tension turn screw inward To decrease tension turn screw outward THREAD CONTROLLER The thread controller should draw up...
Страница 10: ...sufficient to insure correct feeding Pressure is regulated by screw shown in Fig 18 at rear of r 1a h nr arm Turn screv dciwnward to increase pressure or upward to decrease pressure REVERSE FEED MECH...
Страница 11: ...supsew com HOLE IN REVERSE FEED LEVER Fig 20 10 To reverse the feed with foot tread le the foot tread le chain should be connected to hole in reverse feed lever shown in Fig 20 Release hand lever or f...
Страница 12: ...ment should be 17 32 1349 mm as shown in Fig 21 f the distance between need le bar and presser bar is Ore or less than 551 inch 14 0 mm first turn machine u ley over toward you until needle bar is at...
Страница 13: ...K To adjust height of sewing hook first fasten throat plate to bed of machine and place bobbin case stop finger in sew ing position Pass a 032 inch 0 8 mm shim between bobbin case stop finger and thro...
Страница 14: ...dle if needle is de flected after penetrating material The needle guard can be bent with a pair of pliers if necessary but care should be taken to prevent guard from interfering with normal path of ne...
Страница 15: ...REMOVING SEWING HOOK FROM MACHINE Remove presser foot throat plate and feed dog Loosen hook hub socket screws shown in Fig 30 Lift hook off end of shaft 14 REMOVING HOOK SHAFT To remove hook shaft fi...
Страница 16: ...er shaft is out of time tip machine back and loosen socket screws shown in Fig_ 34 Return machine to upright position and turn opener driving shaft with screw drive in cap screw shown in Fig 33 Tighte...
Страница 17: ...of cycle it will be slightly in front of center point of needle hole in feed dog If needle is not correctly locc1terJ in needle hole tip machine back to loosen pinch screws shown in Fig 37 and adjust...
Страница 18: ...Loosen two set screws in machine pulley and remove pulley and ba 11 bearing_ Lift belt up and draw it around arm shaft through space at B indicated in Fig 39 Replace belt through ball bearing space o...
Страница 19: ...Machine Supply LLC www supsew com R9 6 INFORMATION FOR REFERENCE PURPOSE SKETCH OF SEWING MACHINE TABLE 81 0 R9 6 9 0 0 SINGER REAR SIDE Unit mm C N 17 8 25 0 0 0 N 29 4 117 0 LOCATION OF KNEE LIFTER...
Страница 20: ...From the library of Superior Sewing Machine Supply LLC www supsew com Form U 3240 Rev 182 Part No 543245 002 Rev 1 Printed in Japan...