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Pfaff ambition essential 1.0 Service Manual Download Page 48

48 

104 73 15-26

  

Covers

Front cover

1.  From the left side of the machine loosen the screw 

(s).

2.  From the top, loosen up the screw (t).

3.  Remove screw cap (x)

4.  To locate the screw (u) use an electric torch (fl ash 

light) since its positioned inside the machine.

5.  Loosen the screw (u).

6.  Lay the machine down

7.  Loosen the screw (v) from on the bottom.

8.  Remove front cover by pulling it towards you.

9.  Remove the front covercarefully, then disconnect 

cable between main PC baord and the front cover.

s

t

u

x

v

Summary of Contents for ambition essential 1.0

Page 1: ...24 July 2014 Service Manual 104 73 15 26 2014 SVP Worldwide All Rights Reserved ambition 1 0 1 5 essential...

Page 2: ...7 Presser foot height and parallelism to the needle plate 27 18 Height of presser bar s guide piece 28 19 Setting the IDT excenter 29 20 Adjustment of the IDT foot height 30 21 Adjustment of the IDT f...

Page 3: ...tion 54 No operation of the Zig zag step motor 54 No operation of feed stepper motor 54 The bobbin winder spindle is in off position 54 No operation of BH 54 No operation of Foot controller 55 No func...

Page 4: ...licable aux produits lectriques lectroniques En cas de doute veuillez contacter votre distributeur agr Bitte beachten Sie dass hinsichtlich der Entsor gung dieses Produkts vorschriftsm ig entspre chen...

Page 5: ...roper needle plate The wrong plate can cause the needle to break Do not use bent needles Do not pull or push fabric while stitching It may deflect the needle causing it to break Switch the sewing mach...

Page 6: ...ne functions satisfactorily The second section covers the service program in the machine The third section covers dismantling and mounting of the covers The fourth section covers dismantling and mount...

Page 7: ...e set can be seen from the description under each setting instruction The following list of setting gauges and service tools is intended as an instruction about the special service tools needed to ser...

Page 8: ...The needle should always get to the centre position when the main switch is turned 3 Upper shaft axial play No lateral play between main shaft collar and bushing and main shaft should rotates smoothly...

Page 9: ...the presser foot is in its highest lifting position it shall be approx 7 7 2 mm above the needle plate The presser foot should be parallel to the feed dog Settings Quick reference 12 Setting the bobb...

Page 10: ...obtained at straight stitching and zig zag using normal cotton fabrics and polyester thread But It should be around 70 80 Gram if the bobbin tension is set correctelly Settings Quick reference 2 a 27...

Page 11: ...too loose motor belt tension can cause belt noise Too tight motor belt tension can make the machine to run slow and overload the motor Too loose motor belt tension may cause jumping of the belt teeth...

Page 12: ...noise and movement 5 If adjustment is too tight or too loose proceed as per above step 3 Upper shaft axial play Check The axial play of the arm shaft should not be larger than 0 05 mm Adjustment 1 Rem...

Page 13: ...ts lowest point 3 The feed lifting rock cam a and the screw b of feed rock cam c should now be parallel Adjustment 1 Turn the hand wheel to make the needle comes to its lowest point 2 Loosen the screw...

Page 14: ...side of the machine and the cables between the cover and pc board must be connected 1 Go to the service program of the machine 2 In Menu 1 Press Needle left Sensor Position step motor now goes to its...

Page 15: ...tedly Adjustment needle position 1 Press the button to mode on front cover 2 Choose the pattern No 0 3 Turn the handwheel until the needle is in the center of the needle hole 4 Remove the face plate 5...

Page 16: ...3 Go to Menu 3 choose the No 4 Zig zag 4x7 mm 4 Set needle bar at its lowest point when it swings to left 5 Turn the hand wheel to move the needle bar upward The vertical distance in which the needle...

Page 17: ...2 Press the button to mode on front cover 3 Choose the pattern No 2 for zigzag stitch and width of 7 mm 4 Turn the hand wheel to move the needle bar upward The vertical distance in which the needle p...

Page 18: ...rds against the needle bar frame C 4 Take then the timing clamp and put it on the needle bar and tighten its screw lightly 5 Take the 2 3 mm feeler gauge and put its cutout on the needle bar above the...

Page 19: ...back and forth with the finger tip to check the play a play should be found in all differant positions a small play max 0 5 should be found on one position Adjust 1 Remove free arm cover and needle pl...

Page 20: ...Check the gap by pressing a small screw driver against the needle The gap should be as small as possible but max 0 1 mm Adjustment If the gap is incorrect 1 Loosen the screw a Use an Allen key 1 5mm...

Page 21: ...Go to the service program of the machine 3 In Menu 1 choose the No 2 Center pos needle 4 Set the needle so the eye of the needle is just above the needle plate 5 Loosen the 2 mm allen screw a of needl...

Page 22: ...ment If the play is incorrect loosen 2 screws f g and adjust the plate to the proper position Retighten the screws Front bobbin stop ill 2 Check Turn the hand wheel clockwise the shuttle hook c will m...

Page 23: ...of the feed crank shaft b 3 Loosen the screw c of the feed crank shaft d 4 Loosen up the screw e of the IDT link 5 Move the feeding unit sideways until the feed dog teeth is centered in the needle pl...

Page 24: ...8 000 Adjustment 1 Bring the feed dog to its highest position 2 Remove the lower free arm cover 3 Loosen the nut a 4 Turn the adjusting screw b so that the feed dog becomes between 0 9 mm to 1 05 mm a...

Page 25: ...h needle bar height gauge which is 28 55 mm long Order nr 412 35 29 03 Adjustment 1 Remove face plate needle plate and bobbin case 2 Put in the setting needle 412 35 29 03 3 The needle shall be in its...

Page 26: ...ess the Needle up down button to set the needle bar at its highest position 3 Loosen screw b of the threader stopper a Move the stopper a upward and the threader hook will become higher Move the stopp...

Page 27: ...to the feed dog Adjustment 1 Put on a presser foot 2 Lower the feed dog 3 Set the presser bar in its highest lifting position 4 Loosen screw b Push the presser bar up or down until the measurement is...

Page 28: ...sser foot to second position 2 Set the needle at the highest position The gap between presser bar and press bar ring should be around 0 5 mm 1 Adjustment 1 Loosen up the screw a 2 Set the Guide piece...

Page 29: ...ith marking on arm shaft b 3 Loosen 2 screws c d and align marking on cam a with marking on arm shaft b 4 Tighten 2 screws c d 5 Recheck IDT adjustment Alt Adjustment If the marking b on arm shaft is...

Page 30: ...be minimum 2mm see illustration Use e g a 2mm Allen key as a gauge NOTE The distance should be measured behind the teeth according to the illustration Adjustment 1 Raise the presser foot lever a and...

Page 31: ...foot holder 4 Lower the presser bar 5 The front edge of the IDT foot must be between the first and second tooth of the centre row of the feed dog Adjustment 1 Raise the presser foot lever a and engage...

Page 32: ...se the presser foot lever a and engage IDT 2 Remove the presser foot and face plate 3 Set the feed dog flush with top surface of the needle plate 4 Loosen the screws b c d on the feed crank 5 Move fee...

Page 33: ...case shall give a resistance of 10 14 g when pulling the thread slowly using normal polyester thread Adjustment 1 Turn screw a until the correct thread tension is obtained Please use a 12 14 g lead we...

Page 34: ...50 2 or synthetic fiber thread 100 35 with the tension dial at 4 The presser foot should be lowered when checking the upper thread tension Adjustment 1 Set the dial tension at 4 2 Use a lead weight o...

Page 35: ...Ambition 1 0 and 1 5 1 Remove base covers 2 Go to the service program of the machine 3 In Menu 1 Press Feed Sensor Position step motor now goes to its electronic setting position for the feed step mo...

Page 36: ...1 5 Use service program menu 4 nr 3 and Presser foot 1A On AMBITION ESSENTIAL Press button to come to mode and use pattern No 7 Fine adjustment 1 On AMBITION 1 0 1 5 In service program menu 4 press k...

Page 37: ...ver crank b and the photo sensor s c blocking movement should be set in the middle 2 Adjustment 1 Loosen screw e of BH movement crank d 3 2 Adjust the BH movement crank d to the right and the lever cr...

Page 38: ...has more thread turn the screw a of threader guide clockwise 29 Adjustment of bobbin winder stop Check When winding up the lower thread onto the bobbin the machine should stop when there is a min of...

Page 39: ...use Ambition 1 0 service program use menu maneuvering the by pressing the left or right arrow buttons in order to switch between the diffrent menus in the display and to activate position use the ok...

Page 40: ...ing Needle step motor takes its electronic center position Pos 3 Needle right The needle takes its most right position Pos 4 Feed max forward Feed dog theath should not touch the front of the needle p...

Page 41: ...the Ambition service menu 2 according to below picture Pos No 1 Display test Ambition 1 0 Press button Menu Maneuvering UP until the 1 Display test is squared in and push the center on the menu maneuv...

Page 42: ...change between black and white the function is correct Check bobbin empty sensor When the bobbin or bobbin holder is empty the square turns black Check of the button hole switch sensor When the one s...

Page 43: ...e sews Straight stitch 4 mm Key No 3 The machine sews Straight stitch 4 5 mm Key No 4 The machine sews Zig zag 4x7 mm Key No 5 The machine sews Zig zag 4x6 mm Key No 6 The machine sews Zig zag 2x3 mm...

Page 44: ...et and check the stitch balance of the machine Key No 2 Sewing a preprogramed letter combination B P R S Is used to check the stitch balance of the machine Key No 3 Sewing a preprogramed Decorative mo...

Page 45: ...is possible to abort the test at anytime without performing the total key board test by pressing any of the menu buttons and it will enter the choosen menu Needle up down LED Needle up down button Pat...

Page 46: ...e 2 Remove 4 screws a b c d 3 Remove base cover Base plate extension cover 1 Remove 4 screws e f g h 2 Remove the base plate extension cover Free arm cover 1 Remove the screw i 2 Remove the free arm c...

Page 47: ...over 1 Remove the screw n Located on the inside of the rear cover 2 Turn the machine and Remove 4 screws o p q r 3 Move the feed dog lowering button to the middle for easier removal of rear cover 4 Re...

Page 48: ...cap x 4 To locate the screw u use an electric torch flash light since its positioned inside the machine 5 Loosen the screw u 6 Lay the machine down 7 Loosen the screw v from on the bottom 8 Remove fro...

Page 49: ...cover 3 Disconnect the cables from the circuit board according to below 4 Remove the 3 screws A holding the circuit board 5 Lift away the PC board from the machine and ALWAYS hold the PC board by the...

Page 50: ...ant to handle circuit boards in a controlled way Dismantling 1 Remove rear covers 2 Remove front cover 3 Disconnect the cables from the circuit board according to below 4 Remove the 4 screws A holding...

Page 51: ...ers 2 Remove front cover 3 Disconnect the cables from the circuit board according to below 4 Remove the 4 screws A holding the circuit board 5 Lift away the PC board from the machine and ALWAYS hold t...

Page 52: ...R CORD FROM THE MACHINE BEFORE REMOVING THE POWER SUPPLY Dismantling 1 When removing the Power Supply please remove all the covers first 2 Remove the Main PC board 3 Disconnect the cable 4 Remove the...

Page 53: ...ard switch seems to be damaged ambition 1 0 Check that the flexible flat cable is properly connected to the LCD board CN5 CN6 ambition 1 5 Check that the flexible flat cable is properly connected to t...

Page 54: ...er spindle is in off position Check using Service program 1 Go to the service program of the machine 2 In Menu 2 choose the No 4 Bobbin sensor 3 Check if the connector N14 is properly connected to the...

Page 55: ...re is no big play in between the foot control cable and socket If there is a big play Check with another foot control Replace the socket If there is still no function Replace the main board No functio...

Page 56: ...nnected 2 Replace motor 3 Replace main board LCD no display Check if LCD control boardCN1 and the main board JP3 cable are properly connected Replace LCD control board Replace the main board No operat...

Page 57: ...motor or the Main Board if the problem continues No operation Needle position reverse 1 Check if the function buttons seems to be damaged 1 2 Check if the cable from needle position reverse is properl...

Page 58: ...ace the feed photo sensor board 2a Replace the feed stepping motor 2b Replace the main board The bobbin winder spindle is in off position Check if the connector JP17 is properly connected to the main...

Page 59: ...eck if the connector from the socket is properly connected to the main board 2 5 Check if the foot control cable is properly connected to the socket and that there is no big play in between the foot c...

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