Service Manual Household Sewing Machine
Contents
1. Rev no 358487 001 Mar 2005 SINGER Service Manual Feed Dog Centralization Check 1 Set the machine to straight stitch maximum stitch length 2 Turn the handwheel toward the front of the machine to bring feed dog A to its highest point Check and confirm that the drop in feed selector lever is displaced to the right feed dog at higest position 3 Feed dog A must be parallel to and centrally located in the needle plate B slots Adjustment 1 Remove presser foot and needle plate 2 Loose the two feed dog screws C and move feed dog A as required to satisfy proper alignment Feed dog screws C must be located at the very rear of the slots D of feed dog 3 Tighten feed dog screws C Recheck and readjust if necessary Feed Dog Height Check 1 Set the machine to straight stitch maximum stitch length 2 Turn the handwheel toward the front of the machine to bring feed dog A to its highest point at the rear of its stroke 3 The top of feed dog A must be 1 00 mm 1 20 mm above the top surface of the needle plate B Adjustment 1 Remove needle plate free arm extension table tubular bed botton cover and bed botton cover 2 Loose not too much the screws G 3 The highest point of hinge stud eccentric F must be to the right before making the adjustment By means of a 7 0 mm open end wrench rotate eccentric hinge stud F left or right to raise or lower2. H light socket G and light shield 1 Remove three head end mounting screws and washers C F and J Remove head end assembly B O GA 1 1 1 1 1 1 Replacement md Replacement is the same as removal in reverse order 2 Adjust needle location in the needle plate slot and needle to hook relationship See pages 70 71 3 Check hook timing See pages 80 81 and needle bar height See pages 62 63 and adjust if necessary 4 Adjust presser bar alignment and height See pages 76 77 Rev No 358487 001 Mar 2005 16 SINGER Service Manual Take up Lever Assembly and Needle Bar Connecting Link e J e Lal 7 s MINA 8 a a NT LA ON A ar WS Service Manual SINGER Take up Lever Assembly and Needle Bar Connecting Link Removal Remove the face plate cover and arm top cover Turn hand wheel sufficiently to appear the screw A Loosen it Turn again to appear the screw B Loosen it also Slide take up lever assembly C take up stud D and needle bar connecting link E Replacement 1 Replacement is the same as removal in reverse order Make sure that stud D is firmly located against link E Adjust needle location in the needle plate slot See pages 68 69 and needle to hook relationship See pages 70 71 Check hook timing See pages 80 81 needle bar height See pages 62 63 a
3. H in the belt drive pulley G sufficiently to clear the recess in the vertical shaft A and remove pulley C 2 Loosen the two set screws F in feed cam D approximately one turn 3 While pulling down on vertical shaft A push up on the feed cam D 4 Tighten feed cam screws F 5 Recheck for vertical shaft end play and make sure the shaft rotates freely without binds 6 Replace belt drive pulley G being sure it is properly seated up against feed cam D 7 Adjust arm shaft end play and make the gear B of the arm shaft match the gear E of the vertical shaft by tightening screw C See pages 52 53 8 Adjust hook timing See pages 80 81 Rev no 358487 001 Mar 2005 53 SINGER Service Manual Bevel Gear Mesh and Arm Shaft End Play Rev no 358487 001 Mar 2005 E 54 Service Manual SINGER Bevel Gear Mesh and Arm Shaft End Play The arm shaft should not have any perceptible shake or end play when assembled in the machine and should rotate freely without binds Check 1 Remove bed bottom cover extension table bottom cover arm top cover and right side cover Check for arm shaft end play by pushing the hand wheel left to right and adjust if necessary Adjustment 1 2 Loosen set screw G in arm shaft collar F Push arm shaft C to the left by means of the hand wheel Through the access hole in the front of the casting insert a 0 23
4. play between the disc follower contact point and the top of the disc tooth gn dos Set the zig zag lever to its maximum width i Rotate the hand wheel until you meet the disc follower contact point on top of the disc tooth 3 Set the pattern selector dial F between A and B In this position the leg of disc follower disengaging lever G will be placed on top of the pattern selector dial tooth 4 Loosenthe screw H 5 Turn eccentric washer 1 so that the frontal point of disc follower disengaging lever G touches the arm slide block J Tighten screw H Recheck the play and adjust once again if necessary NO Cam Stack Radial Play Except 2802 2852 For the cam stack to perform reliably there should be a minimum of radial play consistent with uniform operating tone Check 1 Remove arm top cover 2 Set machine for straight stitch 3 Rotate the cam stack C back and forth Rotate hand wheel for one complete turn of the cam stack Check for rotational play at four equidistant points each 90 aproximately on a full revolution of the cam stack If there is one point without rotational play in a complete revolution of the cam stack no adjustment is needed even though radial play may exist in other positions TO Loosen the three cam stack mounting plate screws D a Move cam stack gear assembly E toward the worm gear of the arm shaft to eliminate rotational play and away from the worm gear of arm
5. 2005 107 SINGER Service Manual Lubrication In order to meet the customer minimum lubrication requirement the machine must be lubricated as indicated on pages 104 105 106 107 Only Singer oil and Singer grease must be used Use of parafin based oil or non silicon type grease will create a build up of residue on the bearing surfaces The self lubricating qualities of the bearings will be defeated by clogging of the pores in the bearing if such oil or grease are used All thread lint or any foreign matter must be removed before lubrication O Singer oil G White grease for lubrication Applying lubrication e Applied to cam surfaces cover entire surface e Togears cover each tooth e Toslides cover entire surface Do not apply grease to oil impregnated metal parts Rev No 358487 001 Mar 2005 108 SINGER Service Manual Flexi stitch zeroing Only 2818 2868 Service Manual SINGER Flexi stitch zeroing Only 2818 2868 Machine settings 1 2 3 4 Stitch selection straight stretch stitch Stitch width straight stitch Stitch length Turn dial to left until the indicator mark printed on it 8 is aligned with the dot in the front cover Balance control neutral center Check Place a piece of paper on the needle plate and lower the presser foot Turn the machine by hand and observe the needle penetrations The machine should pro
6. D At no time should any part of the bobbin winder or the bobbin touch either the opening or the bobbin winder stop C 4 Checkthat the spindle A turns freely and that there is no vertical up and down play If either condition exists the bobbin winder assembly should be replaced 5 Checkthat the bobbin winder stays in either the left or right position under spring pressure If spring pressure is absent spring might be weak or broken and will need to be replaced 6 Lift up on bobbin winder tension disc I and feel for presence of slight tension If tension is absent replace bobbin winder tension assembly 7 Place bobbin winder to the right ON position and run machine checking for even rotation of bobbin winder If the bobbin winder hesitates or fails to rotate remove covers and check for worn or absent bobbin winder rubber ring 8 Thread machine for bobbin winding illustration M 9 Wind a bobbin and check if thread is wound evenly illustration K or forms a cone at either end illustration L The bobbin winder should stop turning when the thread is wound to 1 5 mm 1 16 from the outer rim of the bobbin Adjustment 1 Tocorrect conical winding of the thread illustration L adjust the height of the tension assembly by turning the adjusting screw H clockwise or counterclockwise as necessary 2 If the bobbin winder stop C disengage too soon or fails to operate loosen screw B and turn stop C toward th
7. Replacement Replacement is the same as removal in reverse order When replacing feed lifting cam E find the screw D nearer to the groove in the cam hub on the flat of vertical shaft F Refer to Vertical shaft bevel gear on pages 41 42 and Vertical shaft end play on pages 52 53 for gear setting procedure Check feed dog height and adjust if necessary See pages 92 93 Rev No 358487 001 Mar 2005 44 Service Manual SINGER Stitch Length Control Assembly Except 2818 2868 V E SQ 7 A Stitch Length Control Assembly For 2818 2868 Rev No 358487 001 Mar 2005 45 SINGER Service Manual Stitch Length Control Assembly Except 2818 2868 Removal 1 Remove the free arm extension table and all the covers 2 Set feed regulator dial A to 5 and remove reverse button B and dial A pulling them out 3 Remove two screws C and take out stitch lenght control D Adjustment Set feed regulator dial A for maximum stitch length and push on reverse button B and release to check if it returns freely Stitch Length Control Assembly For 2818 2868 Removal 1 Remove arm top cover 2 Set stitch length and buttonhole control dial to buttonhole step 1 3 Remove retaining rings A and B 4 By means of a broad bladed screw driver press the pin D forward from inside of the machine 5 While pressing stud D rotate the entire ass
8. There should be 0 00 mm 0 05 mm end play Check for free rotating Replace retaining plate A with spring C lower leg turned down insert this leg into the slot of retaining plate pin With the flat portion of lock bushing B turned up insert and push it into the pin till reaching the pin groove Replace position plate J screws K and 1 and the bobbin case Adjust clearances between bobbin case and position plate J See pages 84 85 Replace feed dog F and feed dog screws E Adjust feed dog centralization and parallelism see pages 92 93 Check feed dog throw and adjust if necessary See pages 94 95 Adjust hook timing See pages 80 81 Check needle to hook relationship and adjust if necessary See pages 70 71 10 Check needle bar height and adjust if necessary See pages 62 63 Rev no 358487 001 Mar 2005 34 Service Manual SINGER Feed Lifting Lever Assembly AN tat Es QAZ C 92 di Ci BARD Taba em Rev no 358487 001 Mar 2005 Service Manual SINGER Feed Lifting Lever Assembly Removal Set feed regulator dial at number 5 maximum stitch lenght Turn handwheel toward the front of the machine to bring the feed dog to its furthest rear position Remove the free arm extension only 2802 2808 2809 and 2818 models pla
9. at full speed 6 There should be no feeding of the fabric Note Onoccasion there may be a machine where absolute zero feed is difficult to achieve In such cases forward feed movement must not exceed 6 35 mm 250 in fifteen seconds Reverse feed is unacceptable 7 Turn stitch length dial to number 4 buttonhole position and recheck There should be no feeding of the fabric Adjustment 1 Turn stitch length dial to number 5 maximum stitch length 2 Removereverse button D by pulling straight out from machine 3 Return stitch length dial to O zero 4 Lower presser foot on single ply of fabric and run machine at full speed 5 Turn adjusting screw E clockwise to decrease forward feed and counterclockwise to decrease reverse feed until there is no feeding of the fabric 6 Replace reverse button D with indicator mark C in line with reference mark A on the front of the machine Rev no 358487 001 Mar 2005 103 SINGER Service Manual Lubrication Rev no 358487 001 Mar 2005 SINGER Service Manual Lubrication Only 2802 2852 Rev no 358487 001 Mar 2005 105 SINGER Service Manual Lubrication 358487 001 Mar 2005 106 Rev no SINGER Service Manual Lubrication 0 9 edam A CO e NY OT cul 2 ES Rev no 358487 001 Mar
10. in the center of needle plate slot in a position corresponding to 5 6 o clock on a watch and with a 0 18 mm 007 clearance between the needle and the needle plate slot edge as shown in the illustration A Tighten screw A Only 2802 2852 When a needle size 14 penetrates the needle plate slot it must remain approximately in the center of that opening Adjustment 1 2 Remove the arm top cover face plate and presser foot Set stitch width lever to straight stitch position Rotate handwheel toward the front of the machine until a needle size 14 penetrates the needle plate slot see illustration B Loose screw A Centralize the needle in the center slot tighten screw A Check and readjust if necessary Rev n 358487 001 Mar 2005 69 SINGER Service Manual Needle to Hook Relationship mm INTERFERENCE 0 10 mm CLEARANCE 0 00 INTERFERENCE 004 CLEARANCE 000 ILLUSTRATION A Rev no 358487 001 Mar 2005 70 SINGER Service Manual Needle to Hook Relationship Proper needle to hook relationship is required to prevent skipping of stitches on various fabrics and to prevent hook and needle damage If the needle is too far from the hook the hook point will be unable to pick up the needle thread loop and skipping of stitches will occur If the needle is too close to the hook the hook point will strike the nee
11. order not allow it touches the guide arm of threader shaft Rev no 358487 001 Mar 2005 63 SINGER Service Manual Needle Bar Pendulum Timing Except 2802 2852 gt LY WF EX 7 LI x sl AA y CS a e 2 X NI Ae a we RAS J TR E NIE RES Rev no 358487 001 Mar 2005 Service Manual SINGER Needle Bar Pendulum Timing Except 2802 2852 Check Setthe machine for zig zag maximum width Remove the presser foot With the presser bar in a raised position hold a piece of paper in place over the needle plate so needle penetration may be observed Turn hand wheel toward the front of the machine Asthe needle is rising from the right perforation the point of the needle should be moving to the left lightly touching the edge of the paper without enlarging the hole and should reach its peak of ascent slightly past center of the two extreme positions of the needle illustration A Onthe downward stroke all lateral movement should cease when the needle point is 5 5 mm 7 5 mm 220 300 above the needle plate The needle must return into the opposite hole precisely Adjustment 1 2 Remove arm top cover Rotate hand wheel toward the front of the machine to bring reference mark C on the cam stack opposite the follower B bring the needle to its lowest position in the left hand swing of zig zag Loosen two cam stack clamping screw
12. set needle thread tension 1 Lowerthe presser foot 2 Turntension dial A to the furthest left O position 3 Removethe free arm extension table tension assembly dial the knobs of the zig zag and needle position levers and all covers 4 Pull tension dial A straight out and off the tension assembly 5 Turn adjusting knob J to the right clockwise to increase tension and to the left counterclockwise to decrease tension 6 Set adjusting knob J until a barely perceptible drag 5 15 grams can be felt as thread is gently drawn through the tension discs 7 Press on tension dial A so that the stop in tension knob J is resting against and to the right of the stop in tension body F 8 Finally reassembly covers and turn dial to the right between numbers 3 and Lal N Rev No 358487 001 Mar 2005 87 SINGER Service Manual Bobbin Winder Es D gt ZA 15m 1 16 ILLUSTRATION K ILLUSTRATION L EST d M M m ILLUSTRATION M ER Rev no 88 358487 001 Mar 2005 SINGER Service Manual Bobbin Winder Check 1 Run machine and push bobbin winder spindle A to the left OFF position 2 Place empty bobbin on bobbin winder spindle A 3 Push bobbin winder from side to side in side opening
13. together with shaft centers B and E and with washers C and D Replacement 1 Replace feed rock shaft assembly J shaft centers B and E together with washer C and D and clamps A and G Tighten clamp the screws F and L Replace feed lifting lever assembly N and then replace the feed dog Replace eccentric hinge screw 1 and hinge screw nut H Tighten nut H to finger tightness Adjust feed dog centralization and feed rock shaft end play See pages 92 93 Adjust feed dog height See pages 92 93 Adjust feed dog throw See pages 94 95 Replace the pulley K and the belt M Adjust the hook timing See pages 80 81 Rev No 358487 001 Mar 2005 38 SINGER Service Manual Feed Forked Connection 2802 2852 2808 2858 2809 2859 Rev no 358487 001 Mar 2005 SINGER Service Manual Feed Forked Connection Removal 1 Remove the free arm extension table bed bottom cover extension table bottom cover arm top cover right side cover and the hand wheel see pages 19 20 2 Remove screw nut and the eccentric screw H 3 Position the top of the eccentric gear C at the back of the machine 4 Turn shaft E counterclockwise until stitch regulator stroke B is in the vertical position and keep it in that position 5 Removethe spring A and fork B by pushing it down Rep
14. Gear Rev no 358487 001 Mar 2005 25 Service Manual SINGER Arm Shaft and Horizontal Bevel Gear Removal ou RUN gt 7 8 9 Remove face plate arm top cover and end cover Remove handwheel See pages 19 and 20 Remove head end assembly See pages 15 and 16 Remove take up lever assembly and needle bar connecting link See pages 17 and 18 Remove screws J and arm shaft bushing 1 Loosen the arm shaft collar set screw F so that the collar can move along the arm shaft Remove set screw B in bevel gear A releasing it from the horizontal arm shaft Draw the crank H with arm shaft C to the left until it clears bevel gear A Remove bevel gear A 10 Continue to draw arm shaft C out of the machine until it clears collar E 11 Remove collar E 12 Remove arm shaft C The washer G will remain on the arm shaft Replacement 1 2 Replacement is the same as removal in reverse order Refer to bevel gear mesh and arm shaft end play on page 54 55 In order to maintain feed timing align the timing mark on the vertical shaft bevel gear between the two timing marks on the horizontal bevel gear Refer to bevel gear mesh and arm shaft end play on page 54 55 Adjust bevel gear mesh and arm shaft end play See pages 54 55 camstack radial play See pages 56 57 and make corrections you believe it s necessary to firmly place the take up lever assembly and needle bar connect
15. R Service Manual Needle Bar Bearings Rev no 358487 001 Mar 2005 60 SINGER Service Manual Needle Bar Bearings Looseness of the needle bar bearings will cause irregular stitching and may cause needle breakage Check 1 Turn hand wheel toward front of the machine to bring needle bar to its lowest position 2 Grasp needle clamp C and check for excessive front to back play 3 Place needle bar in right needle position 4 Push needle clamp fully to the left and check for binding by slowly releasing the needle bar It should move smoothly to the right 5 There must be no excessive play or binding in the needle bar bearings Adjustment 1 Remove the face plate 2 Loosen screw D 3 Pressupon collar E by means of a small screwdriver with just sufficient pressure to eliminate play in ball bushing F yet not bind bushing in its housings 4 Tighten screw D 5 Recheck front to back play of needle bar as described in Checking items 1 and 2 above If excessive play persists replace spring in upper bushing assembly Rev no 358487 001 Mar 2005 61 SINGER Service Manual Needle Bar Height 0 40mm 0 80mm 358487 001 Mar 2005 62 Rev no Service Manual SINGER Needle Bar Height Three rings are cut into the upper end of the needle bar The distance between the center and lower ring represents the rise required to form a thread loop at t
16. Service Manual Household Sewing Machine 280272852 280872858 2809 2859 2818 2868 SINGER THE SINGER COMPANY 2005 SINGER BRASIL SEWING MACHINE CO LTD ALL RIGHTS RESERVED Registered Trademark THE SINGER COMPANY LTD 358487 001 Mar 2005 SINGER Service Manual Revisions Records A inti Approval Description Rev n 358487 001 Mar 2008 01 SINGER Service Manual This manual is designed for use by trained and qualified service persons The SINGER COMPANY will not be responsible for any parts requiring replacement due to natural wear or to the abuse or negligence of its use or in the event the machine is serviced by other than a trained and qualified service person or even if replaced parts do not meet applicable specifications Rev No 358487 001 Mar 2005 02 SINGER Service Manual General Information Scope This service manual describes all of the servicing procedures including all adjustments and parts removal and replacement for the 2802 2852 2808 2858 2809 2859 and 2818 2868 models machine Additional information coverin
17. aft assembly Asa 37 38 Feed forKed CONNECTION 000001011 atteste ARR VEA SE 39 40 e Vertical shaft bevel gear 41 42 Vertical Shaft ise bere A ds 43 44 e Stitch lenght control assembly eee eene nenne 45 46 e Pattern selector 5136 666666666666666 6 66066666 ss 47 48 e Needle position selector lever 49 50 Rev no 358487 001 Mar 2005 04 SINGER Service Manual Table of Contents Section 2 PAGE e Sequential order of adjustment procedures cece cece ee eee eee eeeeeeeeeees 51 e Vertical shaft end play een haces NNN ENNEN 52 53 e Bevel gear mesh and arm shaft end play 54 55 e Disc and disc follower clearance cece eeteeeeeeeeeeeeeeeeees 56 57 e Cam stack radial play vio 0 dia AS aci 56 57 e Take up lever and needle bar connecting link lost motion 58 59 e Needle bar bearings ocior e be iaa 60 61 e Needle bar height 1 1 1 1 1 ni r en vx d ge dE ean Ve ea 62 63 e Needle bar pendulum timing ENEE 64 65 e Zig zag centralizing procedure een 66 67 e Needle location in the needle plate slot eases 68 69 e Needle to hook relationship u an 70 71 e Maximum width Zig Zag lever stop 72 73 e Needle bar safety bight stop left side 74 75 e Presser bar height and alignment esses 76 77 e Hook drive belt tension ee NEEN EN ae an 78 79 e Hook timing hook and needl
18. arance Check 1 Remove needle plate 2 Turn handwheel toward the front of the machine to bring hook point to position D 3 Placethe rear of the bobbin case against the bobbin case position plate C 4 Use a GM8092 feeler gauge to check if clearance between plate A and bobbin case surface is correct The smaller side of the feeler gauge should freely pass through but the other side should not 5 Using the same feeler gauge check for correct clearance between the extension of positon plate C and bobbin case upper surface F Procede as in the item 4 above Adjustment 1 Turn hand wheel toward the front of the machine to bring the hook point to position D 2 Bymeans of ascrewdriver adjust clearance between retaining plate A and bobbin case bending the plate upwards or downwards according to feeler gauge 3 With the same screwdriver adjust clearance between the extension of position plate C and bobbin case upper surface E area bending the extension upwards or downwards according to feeler gauge Rev No 358487 001 Mar 2005 85 SINGER Service Manual Needle Thread Tension Rev no 358487 001 Mar 2005 SINGER Service Manual Needle Thread Tension Machine setting 1 Straight stitch 2 mm stitch length 12 stitches per inch 2 Center needle position 3 Machine threaded for sewing Check 1 Thethread take up spring C must be set to come to rest against take up
19. asure the distance between the holes are to be 5 6 to 6 0 mm If the distance it is wrong adjust Adjustment 1 2 Remove the arm top cover Loose stop screw A Rotate bracket stop B clockwise to increase the width or counterclockwise to decrease the width Tighten bracket stop set screw A Recheck and readjust if necessary Rev No 358487 001 Mar 2005 73 SINGER Service Manual Needle Bar Safety Bight Stop Left Side Rev no 358487 001 Mar 2005 74 SINGER Service Manual Needle Bar Safety Bight Stop Left Side When sewing width zigzag the needle bar must not contact the needle bar safety stop screw The point of a size 18 needle must not strike the throat plate when the needle bar is in its extreme left position but should deflect slightly into the throat plate hole when in the extreme left needle position If improperly set may occurn jamming of the selector kick out system may occur Check 1 Set the machine for zigzag maximum width Set needle position at center 2 Install a size 18 needle in the machine 3 Turn handwheel toward the front of the machine to bring the point of the needle just above the throat plate when the needle is in the left zigzag needle position 4 Push the needle bar to the left as far as it will go There still should be a very slight displacement of the needle bar before it stops 5 While holding the nee
20. d Bobbin Case Position Plate 0 25mm 0 36mm Rev no 358487 001 Mar 2005 82 SINGER Service Manual Bobbin Case Position Finger Check 1 Position finger A must not extend above the left fork of the bobbin case but must be flush with the surface Adjustment 1 Adjust the finger position as necessary to obtain the correct location or replace the position bracket C if necessary Bobbin Case Position Plate Check 1 Turn handwheel toward front of machine to bring hook point to position D 2 Locate the bobbin case so that the left side of its fork is resting gently against the position finger A 3 With a feeler gauge check for a clearance of 0 25 mm 0 36 mm between the heel of the bobbin case and position bracket C Adjustment 1 Remove needle plate 2 Loose screws B and E 3 Move position bracket C left or right to obtain clearance of 0 25 mm 0 36 mm between the heel of the bobbin case and position bracket C 4 Tighten screw B and E being sure the right edge of bracket C is parallel with the edge of the casting polished corner nearest the portion bracket Rev no 358487 001 Mar 2005 83 SINGER Service Manual Bobbin Case Clearance RETAINING PLATE A 0 25 0 36 mm BOBBIN CASE 0 25 0 36 mm POSITION PLATE C BOBBIN CASE Rev no 358487 001 Mar 2005 84 SINGER Service Manual Bobbin Case Cle
21. dle as it passes and may cause damage to the hook point or needle breakage Before attemptinq any adjustment needle location and hook timing must be verified Also visually inspect the hook point for any damage If the point is bent or burred it must be replaced Check 1 Set the machine for straight stitch center needle position 2 Remove presser foot needle plate and bobbin case 3 Install asize 18 needle 4 Turn the hand wheel toward the front of the machine until the point of the hook is directly behind the needle There should be a 0 00 mm 000 interference to a 0 10 mm 004 clearance between the point of the hook and the needle illustration A Adjustment 1 Remove needle plate bobbin case face plate cover arm top cover light light socket and light shield 2 Loosen screws A B and C 3 Pivot the head end assembly D on screw A front to back to obtain the proper distance between the needle and the hook point illustration A 4 Securely tighten screws A B and C Rev no 358487 001 Mar 2005 71 SINGER Service Manual Maximum Width Zigzag Lever Bight Stop Except 2808 2858 2802 2852 Rev no 358487 001 Mar 2005 72 Service Manual SINGER Maximum Width Zigzag Lever Bight Stop Except 2808 2858 Check Set the machine for zigzag Rotate handwheel to make needle penetrate on both left and right sides of a paper than me
22. dle bar in its furthest left position turn the handwheel toward the front of the machine to bring the needle into the needle plate slot The point of the needle should not strike the needle plate surface but should slightly deflect against the left edge of needle plate slot Adjustment 1 Removethe arm top cover and face plate 2 Loosen 8mm safety stop screw locking nut B 3 Adjust the safety stop set screw A to satisfy the above condictions 4 While maintaining the position of screw A tighten nut B 5 Checkand readjust if necessary Rev no 358487 001 Mar 2005 75 SINGER Service Manual Presser Bar Height and Alignment Z 7 35 a 7 60 mm Lee 358487 001 Mar 2005 Service Manual SINGER Presser Bar Height and Alignment Presser bar height and alignment must be correct to insure proper operation of attachments and provide straight controlled feeding qualities Check 1 2 3 Remove needle Raise presser foot to its heighest position Presser bar height is correct when the distance between the underside of the presser foot and the needle plate is 7 35 mm 7 60 mm 290 300 Adjustment 1 2 Remove needle Remove face plate light light socket and light shield Turn hand wheel to position feed dog bellow needle plate Raise presser bar to its highest position Losen screw A and raise or lower presser bar B as required
23. dle follower clearance see pages 58 59 Only 2802 2852 Removal 1 Remove face plate arm top cover and end cover 2 Remove handwheel See pages 19 20 3 Remove head end assembly See pages 15 16 4 Remove take up lever assembly and needle bar connecting link See pages 17 18 5 Remove screws J and arm shaft bushing 1 6 Removenuts E and washer F 7 Remove needle bar driving arm slide bracket G 8 Remove screw H of the zig zag cam I Replacement 1 Replacement is the same as removal in reverse order Rev No 358487 001 Mar 2005 22 SINGER Service Manual Disc Follower Quick Out Lever Except 2802 2852 Disc Follower Except 2802 2852 Rev no 358487 001 Mar 2005 23 SINGER Service Manual Disc Follower Quick Out Lever Except 2802 2852 Removal 1 Remove arm top cover and the stitch width bracket assembly 2 Remove screw A and eccentric bushing B 3 Remove lever D and spring C Replacement 1 Replace these parts the same way as described above but in a reverse order Disc Follower Except 2802 2852 Removal 1 Remove arm top cover 2 Removeretaining ring A and spring B 3 Pull the follower C up to remove it Replacement 1 Replace these parts the same way as described above but in a reverse order Rev no 358487 001 Mar 2005 24 SINGER Service Manual Arm Shaft and Horizontal Bevel
24. duce two penetrations forward and one reverse The reverse penetration should enter the previous hole cleanly Adjustment 1 2 Check zero feed and adjust if necessary Remove arm top cover Loosen screw A While holding screw A move lever B slightly to the right to increase reverse and decrease forward feed Move lever B slightly to the left to decrease reverse and increase forward feed Tighten screw A Recheck flexi stitch feed balance with lever in the neutral position Readjust if necessary Rev no 358487 001 Mar 2005 110 SINGER Service Manual Buttonhole cutting space Only 2818 2868 RS Z eo By A Fred 1 0 50mm 1 00mm 020 040 0 50mm 1 00mm e e 020 040 ILLUSTRATION D Rev no 358487 001 Mar 2005 111 SINGER Service Manual Buttonhole cutting space Only 2818 2868 To allow sufficient space for cutting without damaging the thread the buttonhole cutting space must be approximately 0 50 mm 1 00 mm 020 040 Check 1 Remove presser foot 2 Insert a number 9 needle to provide better visibility and accuracy when checking buttonhole cutting space 3 Turn buttonhole control dial to number 1 position 4 While holding a piece of paper over the needle plate make two needle penetrations 5 Without disturbing the position of the paper turn buttonhole control dial to number 3 position and ma
25. e order Be sure the presser foot is in the raised position Light Bulb Replacement Removal Turn the machine off and remove plug from outlet 1 Remove face plate cover 2 Push lamp C up and turn it clockwise 3 The spring inside the socket will push the lamp down and out the socket Replacement 1 After inserting the lamp pins into the socket slots push the bulb lamp C up and then turn it gently counterclockwise Rev no 358487 001 Mar 2005 08 SINGER Service Manual Arm Top Cover Rev no 358487 001 Mar 2005 09 SINGER Service Manual Arm Top Cover Removal 1 Place bobbin winder in the OFF position 2 Remove two arm top cover screws A and B 3 Remove the arm top cover by pulling it straight upwards Replacement 1 Replacement is the same as removal in reverse order Rev No 358487 001 Mar 2005 10 SINGER Service Manual Bed Bottom Cover Free Arm and End Cover SINGER Service Manual End Cover Removal 1 Remove arm top cover 2 Remove screw A 3 Hold the bottom side of cover B and pull it out and up from machine Replacement 1 Replacement of this cover is the same as described above but in a reverse order Bed Bottom Cover Free Arm Removal 1 Remove the bed bottom rubber feet C 2 Remove the screws D 3 Remove 8mm h
26. e hand wheel to give more thread on the bobbin or away from the hand wheel for less thread tighten screw B 3 Recheck operation of bobbin winder and stop Bobbin winder operation and disengagement Readjust if necessary Rev no 358487 001 Mar 2005 89 SINGER Service Manual Feed Rock Shaft End Play ANNE RCM o lan COST Ka Rev no 358487 001 Mar 2005 SINGER Service Manual Feed Rock Shaft End Play There must be no end play or binds in feed rock shaft C Check 1 Removethe free arm extension table bed bottom cover and extension table bottom cover 2 Movefeedrock shaft C left to right to check for end play Adjustment 1 Hold feed rock shaft C to the left against rock shaft center B and check that the feed dog is centralized in the needle plate slots 2 Loosenleft center clamp screw A and move center B with rock shaft C left or right to centralize feed dog in needle plate slots 3 Tighten left center clamp screw A 4 Loosenthe right center clamp screw F 5 Move the right rock shaft center E to the left against rock shaft C and tighten clamp screw F Rev No 358487 001 Mar 2005 91 SINGER Service Manual Feed Dog Centralization and Feed Dog Height A seien 1 00mm 1 20mm 040 047
27. e synchronism seeeeeeeeeeeeeee 80 81 e Bobbin case position finger u une en 82 83 e Bobbin Ne ele EE 82 83 e Bobbin case clearance a run cet AAA tete 84 85 e Needle Thread tension ste as rere pa E SEN nennen esse 86 87 e Bobbin winder u sus ea 88 89 e Feed rock shaft end play siens A v ad NEEN 90 91 e Feed dog centralization su ante 92 93 e Feed dog heicht un rore dees send ceive se No ERERK ENT x PEE TRE es 92 93 6 Feed dog CHOW san ne an 94 95 e Stitch length regulator spring tension nennen 96 97 e Motor belt tension u rrr erra En Ea odbo ENEE ERE OR FUP ET T este 98 99 e Zero feed ans A r desde 100 103 EBDEICSEIOD o dy Diez En x wis 104 108 s Flexi 1 I I wa aE 109 110 e Buttonhole cutting space ne en ER EEN ENKEN ER ES 111 112 Rev pe 358487 001 Mar 2005 05 Service Manual SINGER Section 1 Parts Removal and Replacement Rev no 06 358487 001 Mar 2005 SINGER Service Manual Face Plate Cover aa Rev no 358487 001 Mar 2005 SINGER Service Manual Face Plate Cover Removal 1 Raise presser foot 2 Remove face plate cover screw A 3 Remove face plate cover B by pulling it down and laterally and then out of the machine Replacement 1 Replacement of the face plate cover is the same as described above but in a revers
28. embly clockwise until the heads of the studs C D and E are clear of the holes in plate C 6 Tilt the bottom of the assembly away from the machine and draw the assembly downward to remove Replacement Set the stitch length and buttonhole dial at maximum stitch length 2 Insert the assembly in the machine aligning the head to stud D with the large hole F in plate G If properly aligned the assembly should be seating flush against the machine casting Slightly depress stud D toward the front of the machine and press firmly while rotating the assembly slightly counterclockwise until the heads of studs C D and E snap into the openings of the plate G 4 Replace retaining rings A and B and the cam controled feed mechanism Check and adjust if necessary e Needle location in the needle plate slot Pages 68 69 e Zero feed Pages 100 103 e Buttonhole cutting space Pages 111 112 md LA O1 Rev no 358487 001 Mar 2005 46 SINGER Service Manual Pattern selector mechanism Except 2802 2852 SEE d Ur Rev no 358487 001 Mar 2005 47 Service Manual SINGER Pattern selector mechanism Except 2802 2852 Removal 9 10 11 Remove arm top cover Place the handle B in the vertical position and pull it up out of the camstack T Remove the screws G and the camstack gear assembly Remove pattern selector dial retaining ring p
29. ex nut E 4 Remove bed bottom cover F Replacement 1 Replacement of this bed bottom cover is the same as described above but in a reverse order Bed Bottom Cover Flat Bed Removal 1 Remove the four screws G 2 Remove bed bottom cover H Replacement 1 Replacement of this bed bottom cover is the same as described above but in a reverse order Rev no 358487 001 Mar 2005 12 SINGER Needle Bar Service Manual 358487 001 Mar 2005 13 SINGER Service Manual Needle Bar Removal 1 Remove the face plate and arm top cover 2 Remove needle by loosing the screw B Turn handwheel to bring the needle bar to its position Loose screw A together with the thread guide and then remove the entire needle clamp body Remove also the needle bar gib C 3 Loosen needle bar connecting stud screw D 4 Draw needle bar E up and out of the machine Replacement 1 Replacement the needle bar the same way as described above but in a reverse order 2 Adjust needle bar height see pages 62 63 Rev No 358487 001 Mar 2005 14 SINGER Service Manual Head End Assembly Rev no 358487 001 Mar 2005 SINGER Service Manual Head End Assembly Removal Remove face plate arm top cover and needle Loosen needle bar driving screw A Remove presser foot D and presser foot screw E Remove light socket mounting screw
30. g any production changes improvements or changes to parts will be made by issuing Singer service parts bulletins Machine Description eTubular and flat bed eLightweight Duratec casting eApollo sewing system eElectronic triac foot speed controller eNew FT fabric feed system eVertical needle profile eMotor concealed in bed eHorizontal spool pin eAuto declutching bobbin winding eBobbin capacity of 41 m 45 yds minimum eUniversal presser bar pressure control eMaximum stitch lenght 5 mm 5 s p i eSelf threading take up lever ePush button instant reverse eOne way needle insertion eDirect pattern selection eBed length 380 mm 14 96 inches without cloth plate eBed width 185 mm 7 28 inches eBed height 83 mm 3 27 inches eClearance under free arm 25 4 mm 1 0 inch eFree arm circunference 264 mm 10 39 inches eOverall height 310 mm 12 20 inches eWeight 7 0 kg 15 3 lbs Tool requirements e1 8 screwdriver e3 16 screwdriver e1 4 screwdriver eExtralong screwdriver 5 0 mm dia x 380 mm long ePhilips screwdriver e8 mm open end wrench e10 mm open end wrench ePliers eWire cutter pliers eFeeler gauge GM8092 eFeeler gauge set e1 5 mm Allen wrench eStraight tips external ring pliers tip dia 0 9 mm Duratec Casting With the introduction of Duratec selfthreading screws have been used to mount many of the parts and assemblies to the structure If is im
31. g edge Replacement 1 Replacement is the same as removal in reverse order First pass bonding jumper K through the casting groove The nut on screw B must be properly located in the channel on the inside of the casting to allow mounting motor Putanew plastic loop to fix wire on the casting Replace all covers Rev no 358487 001 Mar 2005 32 SINGER Service Manual Hook Service Manual SINGER Hook Removal 1 v COND O1 A WN Remove the free arm extension table only 2802 2808 2809 and 2818 models all the covers needle plate and the bobbin case For other models Flat Bed remove slide plate too Remove feed dog screws F and feed dog E Remove position plate screws 1 and K Remove position plate J Remove lock bushing B and spring C Draw retaining plate A up and out of the machine Loosen screw P in drive pulley O Remove hook L by driving it up Remove hook washer M pulley O and pulley washer N Replacement 1 8 9 Insert washer M inside the hook shaft and then insert hook L into the machine bed bushing Insert pulley washer N and pulley O with the hook drive belt attached on to the hook shaft pulley Locate pulley set screw P on the flat of the hook shaft While holding hook L down with finger pressure press up lightly on pulley O and tighten screw P Check hook L for end play
32. ghten bevel gear set screw E 8 Rotate the arm shaft L slowly several times Observe the position of the two gears with relation to each other The top edges of the gears should be even with each other illustration M If this condition does not exist it will be necessary to repeat the above procedure and move the vertical bevel gear A up or down in order to achieve the correct position 9 Adjust take up lever and needle bar connecting link lost motion See pages 58 59 pendulum timing See pages 64 63 needle location left to right See pages 68 69 and needle to hook relationship See pages 70 71 10 Check and adjust if necessary e needle bar height pages 62 63 left center right needle position pages 68 69 zig zag lever bight stops pages 72 73 presser bar height pages 76 77 hook timing pages 80 81 Rev no 358487 001 Mar 2005 42 Vertical Shaft D Service Manual SINGER Vertical Shaft Removal 1 Remove the free arm extension table all covers the head end assembly the buttonhole assembly the take up lever assembly camstack hand wheel horizontal shaft and vertical shaft bevel gear Loosen the screws A of the belt drive pulley B sufficiently to removeit Loosen the screws C and D sufficiently to remove the vertical shaft Draw vertical shaft F up out of machine with plastic washer and the felt removing also feed cam E with the washer
33. ghten screw A Recheck and readjust if necessary For 2802 2852 Check AWN Set the machine for zig zag maximum width Remove the presser foot Rotate hand wheel to make the needle penetrate the needle plate slot left to right As the needle panetrates the slot left to right an equal lateral clearance between needle and needle plate slot according to illustration F Adjustment 1 Remove face plate cover and arm top cover 2 Set stitch width lever to maximum zig zag 4 5 Move zigzag cam D to right or left reducing or increasing the lateral clearance as Loosen screw C necessary see illustration F 6 Tighten screw C 7 Recheck and readjust if necessary Rev n 358487 001 Mar 2005 67 SINGER Service Manual Needle Location in the Needle Plate Slot OA M a la USO ILLUSTRATION A Only 2802 2852 A NER ILLUSTRATION B Dr Rev No 358487 001 Mar 2005 68 Service Manual SINGER Needle Location in the Needle Plate Slot When a size 14 needle penetrates the needle plate slot it must remain in the center of that opening Adjustment 1 2 Remove arm top cover Rotate hand wheel toward the front of the machine until a needle size14 penetrates the needle plate slot See illustration A Loosen screw A Moveslide block bracket B to right or left until the needle is located
34. he eye of the needle required for hook point seizure Check 1 Remove face plate presser foot needle needle plate and bobbin case 2 Inserta size 18 needle in the needle bar 3 Set machine for straight stitch center needle position 4 Turn the hand wheel toward the front of the machine to bring the needle bar to its lowest position 5 Observe the position of the center timing mark A with relation to the bottom face of the upper needle bushing 6 Turn the hand wheel toward the front of the machine to bring the lower timing mark B tothe same relative position as previously occupied by the center needle bar timing mark A In this position the point of the hook D should be within the width of the blade of the needle Adjust hook timing if necessary to satisfy this requirement See pages 82 83 7 Select zigzag maximum width Turn the hand wheel toward the front of the machine to move the hook point to the rear of the needle when the needle is in the left zigzag position The top of the needle eye E should be 0 40 mm 0 80 mm 1 64 1 32 below the underside of the hook point Adjustment 1 Loosen needle bar clamping screw F and raise or lower the needle bar to suit the left needle position requirements 2 Tighten screw F to pinch tightness 3 Needle clamp hub C should be parallel with the front edge of the needle plate 4 Securely tighten screw F Adjust the automatic needle threader bight stop in
35. heck 1 Remove face plate presser foot needle needle plate and bobbin case Insert a size 18 needle Setthe machine for straight stitch center needle position Turn the hand wheel toward the front of the machine to bring the needle bar to its lowest position Observe the position of the center timing mark A with relation to the upper needle bar bushing Turn the hand wheel toward the front of the machine to bring the lower timing mark B tothesame relative position as previously occupied by the center needle bar timing mark In this position the point of the hook C should be in the center of the needle blade Adjustment 1 Remove the free arm extension table bed bottom cover extension table bottom cover needle plate bobbin case and presser foot Loosen the two screws E in the belt drive pulley D Turn the hand wheel toward the front of the machine to bring the lower timing mark B to the position the center needle bar timing mark was previously located A In this position the point of the hook C should be in the center of the needle blade Turn the pulley D until the hook point is located behind the needle Press up with finger presser on pulley D and tighten the two screws E Recheck and readjust if necessary Check needle bar height See pages 62 63 Rev no 358487 001 Mar 2005 81 SINGER Service Manual Bobbin Case Position Finger an
36. ing link See pages 58 59 Check and adjust if necessary e Needle bar height pages 76 77 Left center right needle position pages 68 69 Zig zag bight stops positioning pages 66 67 Needle bar height pages 76 77 Hook timing pages 80 81 Rev no 358487 001 Mar 2005 26 SINGER Service Manual Pattern Selector Assembly Except 2802 2852 SINGER Service Manual Pattern Selector Assembly Except 2802 2852 Removal 1 Remove the free arm extension table all the covers disc stack shaft gear bracket disc follower quick out lever and disc follower 2 Turnthe pattern selector dial bringing to sight the screw A an then remove this screw 3 Once again turn the pattern selector dial to bring to sight the screw B Remove this screw too 5 Remove the pattern selector dial mechanism C Replacement 1 Replacement is the same as removal but in a reverse order Rev No 358487 001 Mar 2005 28 SINGER SINGER Service Manual Thread Tension Assembly Removal 1 Remove the face plate and arm top cover 2 Remove the tension mechanism shrouder A pulling it forward Loose de screw B and pull out the tension mechanism assembly 3 Remove the tension dial N 4 Turn adjusting knob insert M counterclockwise all the way to release from tension spindle L 5 Remove the tension indicator screw washer K the tension spring J the tens
37. ion spring guide E the thread guide H the discs 1 the tension disc C the spring D and the spindle L Replacement 1 Replace these parts the same way as described above but in a reverse order taking into consideration the following e The two tension discs must be assembled with their convex surfaces facing the tension disc C For needle thread tension adjustment see instructions under Needle Thread Tension on pages 86 87 Rev No 358487 001 Mar 2005 30 SINGER Service Manual Motor and Motor Belt oy E REA C rn dea 57 7 pn NS M 358487 001 Mar 2005 31 Rev no Service Manual SINGER Motor and Motor Belt Attention Make sure the machine is turned off and remove plug from outlet socket before disassemblying Removal 1 Remove the free arm extension table bed bottom cover extension table bottom cover arm top cover and right side cover Loose the two motor adjustment screws A Carefully lift the motor and slip the motor belt D off the motor pulley E and the hand wheel Cut off the plastic loop G Disconnect wire by pulling the bonding jumper K apart Loosen mounting plate screw B 4 or 5 turns only Remove the screw J Lift motor and tilt its bottom edge out from the machine until mounting plate 1 is clear of the castin
38. ke two more needle penetrations 6 The distance between the two inner perforations should be 0 50 mm 1 00 mm 022 040 Adjustment 1 Remove arm top cover 2 Loosen screw C while maintaining the position of bracket B 3 Move stitch width control lever A left to increase space and right to decrease cutting space 4 Tighten screw C 5 Recheck and readjust if necessary Rev no 358487 001 Mar 2005 112 SINGER AT HOME WORLDWIDE
39. l B to 0 zero Set reverse button mark C in line with reference mark A on the front cover Lower presser foot on fabric and run machine at full speed There should be no feeding of the fabric Note On occasion there may be a machine where absolute zero feed is difficult to achieve In such cases forward feed movement must not exceed 6 35 mm in fifteen seconds Reverse feed is unacceptable Adjustment 1 2 Turn stitch length dial B to number 5 Remove reverse button D by pulling straight out from machine Return stitch length dial to O zero Lower presser foot over the two plies of fabric and run the machine at full speed Turn adjusting screw E clockwise to decrease forward feed and counterclockwise to decrease reverse feed until there is no feeding of the fabric Replace the reverse button D with its buttonhole mark C in line with the reference mark A on the machine front cover Rev No 358487 001 Mar 2005 101 SINGER Service Manual Zero Feed For 2818 2868 Rev no 358487 001 Mar 2005 102 SINGER Service Manual Zero Feed For 2818 2868 Check 1 Remove needle 2 Place a 2 plies of light weight fabric over the needle plate 3 Setstitch length control dial B to 0 zero 4 Set reverse button with indicator mark C in line with reference mark A on the cover 5 Lower presser foot on fabric and run machine
40. lacement 1 Replacement is the same as removal in reverse order 2 Adjustfeed dog throw See pages 94 95 Rev No 358487 001 Mar 2005 40 Service Manual N N N N SINGER Vertical Shaft Bevel Gear N y 2 IS SH d AN S ILLUSTRATION M Rev no 358487 001 Mar 2005 41 Service Manual SINGER Vertical Shaft Bevel Gear Removal 1 Remove the free arm extension table all covers the front head end assembly the buttonhole assembly the take up lever assembly cam stack and hand wheel 2 Loosen set screw E sufficently to clear vertical shaft bevel gear A 3 Rotate vertical shaft C until vertical gear set screw B is accessible 4 Loosen set screw B to remove gear A Replacement 1 Replacement is the same as removal in reverse order 2 Check for vertical shaft end play and adjust if necessary See pages 52 53 3 Locate gear A so the top of the gear hub is even with the top of the vertical shaft C 4 Locate arm shaft bevel gear D on the arm shaft See also Bevel gear mesh and arm shaft end play on pages 54 55 5 Position arm shaft bevel gear A and D so that the mark G on the gear D straddles the marks F on the gear A 6 Lightly move bevel gear D to the left until it just touches vertical shaft gear A Position reference hole H upwards Position shaft gear screw E aligned with this hole 7 Ti
41. lastic D Remove spring E together with the disc follower F Remove screws Y that hold the levers H and 1 together Remove the screws J and then the stitch lenght lever assembly Remove the screw U the washer V the lever K and the spring X Remove the retaining ring R out of the needle bar driving arm slide block M Remove the retaining ring L out of pattern selector dial N Remove needle bar driving arm slide block M together with the pattern selector dial N Replacement 1 2 Replacement is the same as removal in reverse order Check and adjust if necessary e The height of the follower F as described Place the pattern selector in A position and the zig zag lever in the right position maximum Adjust the follower F height centralizing its tip with the cam stack track by turning right or left the screw and the nut Z Disc and disc follower clearance Pages 56 57 e Cam stack radial play Pages 56 57 e Needle bar pendulum timing Pages 64 65 e Buttonhole cutting space Pages 111 112 e Needle location left to right Pages 68 69 e Zig zag bight stop positioning Pages 72 73 Rev no 358487 001 Mar 2005 48 SINGER Service Manual Needle position selector lever For 2818 2868 Rev no 358487 001 Mar 2005 T 49 SINGER Service Manual Needle position selector lever For 2818 2868 Removal 1 Remove arm top cover 2 Remo
42. mm 009 shim gauge between the plastic washer H and the needle bar crank 1 While maintaining the position of the shim gauge pull the arm shaft C to the right by means of the hand wheel Loosen the screw B on the bevel gear A and lightly move bevel gear A to the left until it just touches vertical shaft gear D Tighten screw B Remove the shim gauge and lightly move the arm shaft C to the right While maintaining the position of the arm shaft to the right bring collar F to the left until they just touch the bushing in the casting 9 Tighten then the collar set screw G making sure one of them is located on the flat of arm shaft C Rev no 0 358487 001 Mar 2005 55 SINGER Service Manual Disc and Disc Follower Clearance Except 2802 2852 0 2mm 0 3mm 007 011 Cam Stack Radial Play Except 2802 2852 358487 001 Mar 2005 56 SINGER Service Manual Disc and Disc Follower Clearance Except 2802 2852 The disc follower should be adjusted so that 0 2 0 3 mm 007 011 play is obtained between its contact point and the top of the disc tooth Check 1 Remove arm top cover 2 Setthe zig zag lever to its maximum width 3 Set the pattern selector dial F between A and B In this position the leg of the isolating lever G will be placed on the top of the selector dial tooth 4 There should be then a 0 2 0 3 mm 007 011
43. nd adjust if necessary Adjust presser bar alignment and height See pages 76 77 Rev No 358487 001 Mar 2005 18 SINGER Service Manual Handwheel and Shaft Driver Assembly Rev no 358487 001 Mar 2005 SINGER Service Manual Hand Wheel and Shaft Driver Assembly Removal 1 Remove arm top cover and right side cover 2 Remove the hand wheel A by pulling it out from machine 3 Remove the shaft pin B 4 Remove retaining ring C and washer D from shaft 5 Remove the hand wheel pulley E the timing belt F the spring G and the hand wheel connecting bracket H Replacement 1 Replacement of the hand wheel is the same as described above but in a reverse order Rev No 358487 001 Mar 2005 20 SINGER Service Manual Cam Stack EE 2809 2859 B A WN De ES a Only A G Only 2802 2852 Rev n _________ 358487 001 Mar 2005 SINGER Service Manual Cam Stack Removal 1 Remove arm top cover 2 Remove three cam stack mounting plate screws A 3 Setstitch length and buttonhole dial to 5 4 Remove cam stack assembly Replacement 1 Replacement is the same as removal in reverse order 2 Adjust cam stack radial play and pendulum timing see pages 56 57 3 Check left to right needle location and bight stops see pages 68 69 and 72 75 adjust if necessary 4 Check nee
44. portant that when replacing these screws they be threaded into the original screw threads The proper procedure for doing this is to insert the screw into the hole and turn the screw conterclockwise until the screw can be felt to drop in place An audible click may also be herad Once the screw is properly in place it may then be tightened Rev n 358487 001 Mar 2005 03 SINGER Service Manual Table of Contents Section PAGE e Parts removals and replacements ss 06 amp Face plate nd ees ERE e NERA RUBRI En 07 08 e Light bulb replacement sis sn rs ehe a es ERE EUER 07 08 Arm LOD COVER 1 nee ee POLI EE daba ee Tu 09 10 e Bed bottom cover and end cover 11 12 EE TEE 13 14 e Head end assembly vives isse sudiste ous ERNEIEREN EE ana disease te 15 16 e Take up lever assembly and needle bar connecting link 17 18 e Handwheel and shaft driver assemblv ene 19 20 6 Cam aule AS idan a ened c Mw elo la ad e da e die 21 22 e Disc follower quick out lever 23 24 Disc e 23 24 e Arm shaft and horizontal bevel gear eene 25 26 e Pattern selector assembly NNN ENNEN ENEE EE 27 28 e Thread tension assembly diabetes a 29 30 S Motor and motor Belt o 31 32 ira sieur ted CURRERE dead SUR ELM AS tee ea AR dw SEO Cea Ka pA 33 34 e Feed lifting lever assembly eene EEN 35 36 e Feed rock sh
45. s D Advance pendulum timing if needle begins its right to left movement too late by rotating cam stack E slightly to the right clockwise Retard pendulum timing if needle begings its right to Left movement too soon by rotating camstack E slightly to the left counterclockwise 5 Tighten one clamping screw D and recheck pendulum timing Readjust if necessary 6 If pendulum timing is correct tighten both clamping screws D securely Rev No 0 358487 001 Mar 2005 65 SINGER Service Manual Zigzag Centralizing Procedure 6 st ll MD LE 6 Rev no 358487 001 Mar 2005 Service Manual SINGER Zigzag Centralizing Procedure Check AWN Set the machine for zig zag maximum width Remove the presser foot Rotate hand wheel to make the needle penetrate the needle plate slot left to right As the needle penetrates the slot left to right an equal lateral clearance between needle and needle plate slot according to illustration F Adjustment 1 Set stitch width lever to maximum zig zag Rotate the hand wheel toward the front of the machine until the needle in its Remove face plate cover and arm top cover descending way reaches the needle plate level Loosen screw A Move needle bar B to right or left reducing or increasing the lateral clearance as necessary see illustration F Without disturbing the position of the needle bar B ti
46. shaft to eliminate binding 3 Tighten the three mounting screws D 4 Recheck for rotational play and readjust if necessary Rev No 358487 001 Mar 2005 57 Service Manual Take up Lever and Needle Bar Connecting Link Lost Motion EN OV Service Manual SINGER Take up Lever and Needle Bar Connecting Link Lost Motion Looseness in either or the take up lever and needle bar connecting link will cause the machine to run noisy and may cause irregular stitching Check 1 2 Remove needle and presser foot Run machine at high speed and check for rapping noise in head end Turn hand wheel toward the front of the machine to bring the needle bar to its lowest position Grasp the needle clamp and check for excessive vertical and radial play by moving needle bar up and down rotatively Adjustment 1 2 Remove face plate cover and arm top cover Loosen thread take up screw A Firmly press thread take up stud B against needle bar connecting link C and tighten screw A Turn the hand wheel through several revolutions and check for binds at several different positions Readjust if necessary Recheck for noise and vertical or radial play of the needle bar If excessive play still exists the thread take up lever and or the needle bar connecting link is worn and must be replaced See pages 13 14 Rev No 358487 001 Mar 2005 59 SINGE
47. spring stop B between the time of the needle point penetration and needle eye entrance into 1 ply of light weight fabric illustration 1 2 Take up spring C must not bind or hang upas itis raised and lowered through its full travel from stop B nen to set take up spring tension C Turn tension dial A to furthest left 9 position Remove the dial A and schrouder D 2 Remove tension assembly complete from the machine and disassembly it Remove clip E from tension body F and carefully raise the coiled spring C and move the tail G to the next notch in body F 3 Move to the left counterclockwise to increase tension and to the right clockwise to decrease tension 4 Reassembly tension assembly complete in the machine Mount the dial A observing the reference position 9 and schrouder D e to set take up spring stroke C Set machine at straight stitch center needle position medium stitch lenght tension between 3 and 4 Thread machine for sewing and sew about 5 cm 2 inches The take up spring C should come to rest on stop B between the time of needle point penetration and needle eye entrance into 1 ply of light weight fabric illustration 1 4 Toincrease or decrease take up spring stroke set tension dial A to 0 move thread guide plate H away from body F and turn plate H counter clockwise to decrease and clockwise to increase stroke of take up spring C Adjustment to
48. te and all the covers Remove screws E to clear the eccentric pin D from clamp F Remove the spacer A the spring B and the feed lifting lever assembly C Replacement 1 2 Replace these parts the same way as described above but in a reverse order Position the eccentric stud D making sure spacer A is positioned with the hole offset against the feed lifting lever bushing Adjust feed dog height related to needle plate surface see pages 92 93 Be sure spring B is properly located in the hole of the casting and inserted over the nib in the feed lifting lever C Rev No 358487 001 Mar 2005 36 SINGER Service Manual Feed Rock Shaft Assembly OM OW NN 0 eS Vain Si bae 3 EN 5 WD Y ed ZI IN a TN E PS ee I TELE ay N lof NN a9 RARE P DR es ZZ N APN V No ________ 358487 001 Mar 2005 37 Service Manual SINGER Feed Rock Shaft Assembly Removal 1 Remove the free arm extension table the thread tension assembly dial the covers the needle plate the feed dog the feed lifting lever assembly N the hook pulley K and the belt M Remove the 10 mm nut H and eccentric hinge screw 1 Remove rock shaft center clamp screws F and L and clamps G and A Remove feed rock shaft assembly J
49. th regulator spring tension For 2818 2868 The reverse button must operate smoothly with the stitch length set at maximum stitch Adjustment 1 Remove arm top cover right side cover motor belt and hand wheel 2 Loosenscrew A in feed regulator assembly 3 Upon loosening this screw the stud C will rotate allowing the spring B to loosen tension 4 Rotatestud C one complete counterclockwise revolution only to place proper tension on spring B 5 Tighten screw A Rev No 358487 001 Mar 2005 97 SINGER Service Manual Motor Belt Tension Rev no 358487 001 Mar 2005 SINGER Service Manual Motor Belt Tension Too tight a motor belt tension can cause the machine to run slow and will overload the motor Too loose a motor belt tension will create belt noise and may cause jumping of the belt teeth on cogged motor pulley Adjustment 1 Remove arm top cover and right side cover 2 Loosen adjusting screws A 3 Bring the motor up or down until the machine is running at its adequate highest speed 4 Tighten screws A Rev No 358487 001 Mar 2005 99 SINGER Service Manual Zero Feed Except 2818 2868 Rev No 358487 001 Mar 2005 100 Service Manual SINGER Zero Feed Except 2818 2868 Check 9 6 Remove needle Place a 2 plies of light weight fabric over the needle plate Set stitch length control dia
50. the feed dog 4 While pushing up snugly on eccentric F tighten screws C Tightening the two hinge stud clamp screws G will cause the feed lifting lever E to raise slightly thereby causing the feed dog to be slightly higher than actually set There must be no looseness or binding of feed lifting lever E Push in on feed lever E and slowly allow it to return to its normal position There should be no hang ups or binds Move lever up and down to check for looseness Rev No 358487 001 Mar 2005 93 SINGER Service Manual Rev no 358487 001 Mar 2005 SINGER Service Manual Feed Dog Throw Check 1 Set the machine to maximum stitch length 2 Turn handwheel toward the front of the machine until feed dog A is in its most forward position 3 There should be a clearance of 0 38 mm 0 50 mm between the center bar of feed dog A and the edge of the center slot of the needle plate Adjusting 1 Remove the free arm extension table arm top cover face plate and front and rear covers 2 Loose nut C 3 Turn eccentric screw B clockwise or counterclockwise as required to obtain correct feed dog throw 4 Tighten nut C Rev No 358487 001 Mar 2005 95 SINGER Service Manual Stitch length regulator spring tension For 2818 2868 SINGER Service Manual Stitch leng
51. to obtain correct height Tighten screw A to pich tightness Gently lower presser bar on needle tightness Turn presser bar B as necessary to align presser foot sides with the slots in the needle plate C Raise presser bar and securely tighten screw A Rev no 358487 001 Mar 2005 77 SINGER Service Manual Hook Drive Belt Tension 8 60 10 20 mm 338 400 140 144 g 5 0 5 14 oz Rev no 358487 001 Mar 2005 78 SINGER Service Manual Hook Drive Belt Tension Check 1 The hook drive belt tension should be such that a weight of 140g 5 oz centrally located between the pulleys deflects the belt 8 6 mm 10 2 mm 338 400 Adjustment 1 Remove free arm extension table bed bottom cover and extension table bottom cover 2 Loosen screw A and slide belt tensioner B up or down until correct tension is achieved 3 Tighten screw A Rev No 358487 001 Mar 2005 79 Service Manual SINGER Hook Timing Hook and Needle Synchronism d e ha HOZ Rev no 358487 001 Mar 2005 Service Manual SINGER Hook Timing Hook and Needle Synchronism Before hook timing is attempted needle location page 70 71 needle to hook relationship page 72 73 and hook drive belt tension page 80 81 must be correct C
52. veretaining ring S the cam controlled feed follower O and the retaining ring located under it 3 Remove link screw P through the pattern selector dial hole 4 Remove needle position selection lever assembly Q Replacement 1 Replacement is the same as removal but in reverse order 2 Checkand adjust if necessary e Left center right needle position Pages 68 69 e Disc and disc follower clearance Pages 56 57 e Cam stack radial play Pages 56 57 e Needle bar pendulum timing Pages 64 65 e Buttonhole cutting space Pages 111 112 e Zig zag bight stop positioning Pages 72 73 Rev no 358487 001 Mar 2005 50 Service Manual SINGER Section 2 Sequential Order of Adjustment Procedures Rev no 51 358487 001 Mar 2005 SINGER Service Manual Vertical Shaft End Play 0 000mm 0 025mm A 000 001 Rev No 358487 001 Mar 2005 92 SINGER Service Manual Vertical Shaft End Play The vertical shaft must be set to have 0 000 mm 0 025 mm 000 001 end play before setting the arm shaft bevel gear and vertical shaft gear mesh If incorrectly set noise may be generated Check 1 Remove the free arm extension table bed bottom cover extension table bottom cover arm top cover and right side cover 2 Push belt drive pulley G up and down to check any existing excessive play Adjustment 1 Loosen the two screws
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