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Harmony 9002D, Руководство по обслуживанию, Страница: 3 / 28

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TO CHANGE THE FACE PLATE UNIT

To remove:

1. Loosen setscrew A and remove the face plate unit.

To attach:

2. Fit the U-groove of the face plate between setscrew A and set plate, put the rib of face

plate into the front cover unit and back cover unit and tighten setscrew.

Setscrew A

Face plate unit

U-groove

Set plate

Back cover unit

Rib

Front cover unit

1

Содержание 9002D

Страница 1: ...SERVICING MANUAL 9002D ...

Страница 2: ...R LOOPER 12 THE CLEARANCE BETWEEN THE NEEDLES AND THE LOWER LOOPER NEEDLE GUARDS 13 15 THE CLEARANCE BETWEEN THE NEEDLES AND THE FIXED NEEDLE GUARD 16 THE POSITION OF THE CHAINING FINGER 17 THE POSITION OF THE UPPER LOOPER 18 THE TIMING OF THE NEEDLE AND THE LOWER LOOPER 19 THE TIMING OF THE UPPER AND THE LOWER LOOPERS 20 THE CLEARANCE BETWEEN THE LOOPERS 21 THE CLEARANCE BETWEEN THE NEEDLE AND TH...

Страница 3: ...e face plate unit To attach 2 Fit the U groove of the face plate between setscrew A and set plate put the rib of face plate into the front cover unit and back cover unit and tighten setscrew Setscrew A Face plate unit U groove Set plate Back cover unit Rib Front cover unit 1 ...

Страница 4: ...d 2 Remove setscrews B C and D 3 Remove the back cover unit To attach 4 Put the ribs of back cover into the front cover unit and tighten setscrews B C and D 5 Attach the spool stand with setscrew A Back cover unit Setscrew B Setscrew C Set screw A Setscrew D Rib Rib Spool stand 2 ...

Страница 5: ...the upper looper at its lowest position and remove setscrews B C D E and the front cover unit To attach 4 Attach the front cover unit with setscrews B C D and E 5 Attach the looper cover unit with setscrew A 6 Attach the back cover unit and face plate unit Setscrew C Setscrew D Upper looper should be set at its lowest position Front cover unit Looper cover unit Setscrew A Setscrew E Setscrew B 3 ...

Страница 6: ... COVER UNIT To remove 1 Open the side cover unit Remove the snap ring E 3 and push down the shaft To attach 2 Attach the side cover unit and insert the shaft and attach the snap ring Side cover unit Snap ring E 3 Shaft 4 ...

Страница 7: ... Remove the machine base NOTE Do not remove another two base cushions To attach 3 Attach the machine base unit and tighten setscrews A B C and D 4 Attach the two base cushions F washers and tighten hinge screws E Washer thick Washer Base cushion F Hinge screw E Setscrew D Setscrew C Setscrew B Machine base Setscrew A Washer thin 5 ...

Страница 8: ...below 5 Attach the machine socket and tighten two setscrews C 6 Attach the machine socket unit on the motor fixing plate and tighten setscrews A B 7 Attach the back cover unit To motor To lamp socket Setscrews C Machine socket for 220 240V Machine socket for 120V Lamp socket lead cord For 220 240V Area Lamp socket lead cord Motor lead cord Blue Brown Motor lead cord For 120V Lamp socket lead cord ...

Страница 9: ...ver unit and front cover unit 2 Turn the handwheel toward you with your hand and set the needle bar at the highest position 3 Loosen setscrew A to adjust the height and tighten setscrew A after the adjustment is done 4 Turn the handwheel toward you one cycle and recheck the needle bar height 5 Attach the front cover unit looper cover unit back cover unit and face plate unit Setscrew A Needle bar S...

Страница 10: ...it back cover unit and front cover unit 2 Raise the presser bar lifter and loosen setscrew A Then adjust the presser bar height the side of presser foot should be parallel with the hole of needle plate 3 Tighten the setscrew A 4 Attach the front cover unit looper cover unit back cover unit and face plate unit Top surface of needle plate 4 7 5 3 mm 5 mm O L G05 To be parallel Direction of presser f...

Страница 11: ...s 5 Push the main feed dog straight upward and adjust the distance between the surface of needle plate and bottom of presser foot then tighten setscrews A 2 pcs 6 When the top of the main feed dog is level with the top surface of needle plate in its downward motion by turning the handwheel push the sub feed dog straight upward until its top surface is to be level with the top surface of needle pla...

Страница 12: ...dog height are correct To adjust 1 Set the stitch length dial at 3 and differential feed dial at 1 0 2 Remove the back cover unit 3 Raise the presser foot and move the tip of right needle at 3 mm above the needle plate in its downward motion by turning the handwheel 4 Lower the presser foot and loose two setscrews A for main feed cam two setscrews B for sub feed cam and adjust the position of the ...

Страница 13: ...ection C when the upper knife timing is being delay Turn the upper knife drive cam to the direction D when the upper knife timing is too soon 4 Tighten two setscrews B firmly Move the balance weight to right Match the guide line on the balance weight with the one of the main shaft correctly Then tighten the two screws A 5 Turn the handwheel toward you one cycle and recheck the needle and the upper...

Страница 14: ...rds into the lower looper shaft as shown NOTE If the clearance between the lower looper unit and the lower looper thread guide is too close remove the lower looper thread guide After the adjustment attach the lower looper thread guide on the lower looper shaft as shown 6 Loosen setscrew A and move the lower looper up or down to get the tip of lower looper is in line with guide line of gauge 7 Tigh...

Страница 15: ...t face plate unit back cover unit front cover unit presser foot needle plate and needles 2 Before loosening setscrew C attach the needle gauge 787 G02 to prevent change of needle bar height during the adjustment Attach two 11 needles on the needle cramp and loosen setscrew C Adjust the two needles to make the clearance between both needles and the front edge of the needle hole of the needle plate ...

Страница 16: ...eedle only 2 Turn the handweel towards you to bring the tip of the lower looper from the left hand to the rear side of the right needle 3 Loosen the hexagonal socket screws A on the front needle guard and open a space between the front needle guard and the needle 4 Next loosen the hexagonal both B and slide the lower looper unit to the front or to the back to adjust the clearance between the right...

Страница 17: ...handwheel towards you to check the clearance between the left needle and looper Make sure the front needle guard is touching the needle slightly and the rear needle guard is not touching the needle 4 Check the timing between the needle and the lower looper 5 Recheck the needle bar height and the clearance between the needle and the lower looper Needle 14 0 to 0 05 mm Lower looper Rear needle guard...

Страница 18: ... lowest position 2 Loosen setscrew A and adjust the position of the fixed needle guard 3 Tighten setscrew A 4 Attach the needle plate and the presser foot Needle plate setting knob Tip of fixed needle guard Needle plate setting knob should be set at S Chaining finger Fixed needle guard To be touched The clearance between the needle and fixed needle guard Fixed needle guard Needle 14 0 1 0 4mm Sets...

Страница 19: ...te To adjust 1 Remove the presser foot 2 Set the needle plate setting knob to the guide line S on the chaining finger unit 3 Loosen two setscrew A and move the chaining finger unit to correct position 4 Tighten two setscrew A 5 Set the needle plate setting knob to the guide line S and R and check the position of chaining finger 6 Attach the presser foot To be touched Needle plate setting knob Guid...

Страница 20: ...at the lowest position as shown in Fig 1 3 Tighten the hexagonal socket screws A 4 Turn the handwheel and bring the upper looper to the leftmost position 5 Loosen the hexagonal socket screw and adjust the distance between the center of needle and center of upper looper eye as shown in Fig 2 and Fig 3 6 Tighten the hexagonal socket screw 7 Check the upper and lower loopers timing and the clearance ...

Страница 21: ...il it touches the needle bar lower bushing as shown in Fig 2 6 In this condition loosen the hexagonal bolt C just enough to move the lower looper base Adjust the lower looper position in order to meet the tip of lower looper with left side of needle 11 as shown in Fig 3 and Fig 4 Tighten hexagonal bolt C 7 Remove the gauge 787 G02 Check the clearance between the needle and lower looper Check the c...

Страница 22: ...achine base 3 Loosen two setscrews and adjust the timing by turning the upper looper drive cam in the direction of A if the timing of upper looper is advanced as shown in Fig 3 B if the timing of upper looper is delayed as shown in Fig 4 The allowance is 0 2 to 1 2 mm from the left edge of lower looper eye as shown in Fig 1 4 Tighten two setscrews 5 Check the clearance between the loopers 6 Attach...

Страница 23: ...andwheel toward you with your hand to bring the loopers as shown in Fig 2 3 Loosen setscrew and adjust the clearance by moving the upper looper to the back or front as shown in Fig 3 4 Tighten the setscrew firmly 5 Check the clearance between the upper looper and needle 6 Attach the needle plate and presser foot Upper looper 0 to 0 1 mm Lower looper Upper looper Setscrew Fig 3 Fig 2 Lower looper U...

Страница 24: ... mm at the needle on the right To adjust 1 Turn the handwheel toward you with your hand to bring the needle just behind the upper looper in downward travel 2 Loosen the setscrew and adjust the clearance between the both needles and upper looper 3 Tighten the setscrew 4 Check the clearance between the loopers Setscrew Upper looper driving shaft Upper looper Fig 2 Clearance Upper looper Fig 1 22 ...

Страница 25: ...nife To adjust 1 Before proceeding with this adjustment check the upper knife timing 2 Loosen the two setscrews A and adjust the lower knife position 3 Turn the handwheel to bring upper knife to the lowest position 4 Loosen the hexagonal bolt B and adjust the position of upper knife 5 Tighten the hexagonal bolt B Upper knife Lower knife Hexagonal bolt B Surface of needle plate Top of lower knife S...

Страница 26: ...lower looper thread guide 3 should not touch the arm and feed dog Looper Thread take up lever Loosen setscrew C and the bottom side of the looper thread take up lever is in line with the bottom side of the upper looper waving arm Tighten setscrew C to secure the position The hole is line with the groove of lower looper View from B Lower looper B Setscrew A Lower looper thread guide 3 Fig 1 AGREEME...

Страница 27: ... 0 2 Remove the looper cover unit face plate unit back cover unit and front cover unit 3 If the actual stitch length is longer than 3 0 mm turn the adjusting screw in the direction A If the actual stitch length is smaller than 2 8 mm turn the adjusting screw in the direction B 4 Attach the front cover unit looper cover unit back cover unit and face plate unit Adjusting scrrew Direction B Direction...

Страница 28: ...nsion dial number 3 with stopper and insert the thread tension dial Correct Setting for general sewing When each dial is set at 3 and No 50 polyester filament thread is used the thread tension should be as follows Needle Left 33 53 g needle Right 14 24 g Upper looper 11 21 g Lower looper 23 33 g When each dial is set at 9 and No 50 polyester filament thread is used the thread tension should be as ...

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