SERVICE MANUAL FOR KH
Contents
1. Be sure to check the pins of needle selection lever are located before the upper slide 273 Fix the upper slide plate with snap rings on both right and left carriage calking pins 28 Mounting the knit lender tripper and the row counter tripper 281 Put the knit leader tripper on the left side and fix it with two screws from the carriage bottom 282 Put the row counter tripper on the right side and fix it in the same way 29 Mounting the handle setting base 291 Fix the handle setting bases with screws 292 Fix the handle lock springs with screws 30 Mounting the button unit 30 1 Fit the cam button unit to the shaft of stitch dial and fix it with screws on both sides 30 2 Pull up the right and left raising cam change springs and hook them over the cam calking pins while pushi sure to check the cams surely change when the buttons TUCK MC L PART R L are pushed Pari buttons right and left Names of Parts Carriage cover 4 knob 2 Plain lever knob 3 Change knob Stitch dial cap Carriage handle LI Mounting the carriage cover 2 313 314 Put the H C L spring to the shaft of H C L knob and mount the H C L knob over them Fit the plain lever knob to the cam button unit Mount the change knob onto the knob shaft Note The mark should come right above the number on the stitch dial Mount the carriage cover and fix i2. 0 Check that the voltage of the outlet is within 106 of the rated input voltage Qf it is Jess than 10 the rated input voltage the knitting machine not work It it is more than 10 of the rated input voltage the knitting machine and the A C adapter may run hot and this is dangerous 3 If the voltage of the outlet is appropriate plug the A C adapter into the outlet and check that the D C output is 95 14V Take cure not to mishandle the plus and minus terminals of the tester and not to shortcireuit them the D C output is not 9 5V replace the A C adapter with the new 14 REMOVING ELECTRICAL ELECTRONIC PARTS AND PC BOARD eo eer PC urd Ma PC hend scm Main PC bowed pues Removing the battery and Control Board Removing the Pattern case whole unit after removing the adapter Disconnect all of the connectors of the Control PC board and Main PC board P2 P4 PS P6 Removing the three screws of the Control PC board Figure 9 1 Disconnect the Control PC board from the Main PC board as raise it horizontally Remove the P and 57 Dissolve the solder on the lead of the battery with a solder iron so remove the battery CAUTION Pay attention to be hot the radiate beat board soon after power off On removing the Control PC board do not give a force on the radiate heat board Please try to run TEST PROGRAM 8
3. 2 Turn the display off by pushing the CE key 3 Input the digits 8 S and push the STEP key 4 The voltage of the left position signal will be indicated ia the display for example I 6 indices 176 yellow lamp wil ight indicating that the left side is being checked When there is no carriage sensor magnet in front of the sensor a voltage of 1 76V or 1 92 will be indicated At this point if the VR on the left position sensor PC board is turned the voltage displayed in the display will also change Note In the event that the voltage displayed in the display does not fall between 176V and 1 92V adjust via the VR on the left position sensor PC board This adjustment should be done as follows first turn the VR slowly until 1 92V is displayed then turn slowly to the left until 1 76V is displayed and stop When there is a problem When adjustment cannot be effected replace the position sensor PC board and attempt the above adjustment again 5 Place the K carriage sensor magnet in front of the sensor with the change knob lt KC gt At this time the voltage indicated in the display shouid be 3 36 or over When voltage is 3 04V or over and the computer detects the K carriage I will be displayed in the memo displa Tf the direction of carriage movement changes from right to left when the yellow lamp is on it will turn off Check the both of sensor magnet 6 Push the GREEN key The voltage of the
4. 23 Mounting the tuck cam operating plate 23 Put the tuck cam operating plate right first onto the shaft of the stitch dial then put the tuck cam operating plate eft and the collar over them 232 Hook both right and left tuck cam springs over the calking pins of the tuck cams 24 Mounting the carriage rear plate 24 1 Mount the carriage rear plate and hook the change lever springs Mounting the connecting plate spring 25 1 Hook the right and left connecting plate springs over the cal connecting plate and the shafts of change knob 25 pins of Names of Parts Stitch cam guide ptate Cam change plate Valve cam E spring Valve cam F spring Nut Push up change plate Change plate Change plate B Change plate spring 3 Change plate A spring Change plate B spring Tuck cam operating plat Rear plate Connecting plate spring BOBSEROSSSSS wun Names of Parts Upper slide plate Magnet holder Knit lcader tripper Row counter tripper Handle setting base Handle lock spring Cam button unit Raising cam change spring 27 Mounting the upper side plate Mounting the magnet holder 27 1 Put the two magnet holders in the holes of the carriage plate 272 Mount the upper slide plate so that the calking pins of the carriage plate the connecting plate pins and the cam change plate pins on both Tight and left sides come into six slots of the upper slide plate
5. Assemble them with a screw and fix them with a nut from the front side of the carriage Be sure to set the valve cam D spring properly so that its straight end may be placed over the bent part of the valve cam D and its curved end over the valve cam A n 13 15 16 11 2 Assemble and mount the right stitch cam in the same wa 113 Put the snap rings to the stitch cam shafts to fix them from the front side of the carriage Be sure to check the valve cam D and the stitch cam moves lightly and the valve cam D is returned to its home position by the spring pressure Mounting the push up cam 12 1 Put the push up cam holder plates to the sliding grooves of each push up cam Then mount the right and left push up cams 12 2 Put both push up cam slide plates from the front side of the carriage and fix them with screws Re sure to check the push up cams move lightly Mounting the slide guide cam 13 1 Mount the slide guide cam and fix it with two screws 132 Tighten two nuts from the front side of the carriage Mounting the MC guide cam 14 1 Mount the shafts collars the MC guide change cams the MC guide cams onto the carriage in this order and fix them with screws sure to check the MC guide change cam moves lightly Mounting the guide cam A 151 Mount the guide cam A and fix it with screws on its both sides while putting the slide cam into the floated part of the slide guide cam Mounting dim
6. Valve cam A Stitch cum Push up cam Slide guide cam MC guide cam Guide cam A Front foot Front side plae DII 1 Mounting the needle selection change plate 1 1 Mount the needle selection change plates and clamp them with screws 12 Mount the right and left shafts 2 Mounting the connecting plate 2 1 Fit the connecting plates on the carriage plate Take care not to confuse the right connecting plate with the left one 3 Mounting the rear foot 3 1 Mount both right and left selection guides for end needie onto the carriage plate Clamp the rear foot with screws after putting the right and lett selection cams for end needle end needle selection switch cams and spring onto it 3 2 Hook the end needle selection springs over the selection guides for end needle and the carriage plate 4 Mounting the thread lace change plate 4 1 Put the thrcad lace change plate between the carriage plate and the rear foot 42 Clamp the fastening plate thread lace change plate with screws Be sure to check the thread lace change plate moves smoothly c 9 Moui 51 the tuck cam Let the right and left screws through holes of the tuck cam plate and put the right and left tuck cams shafts for tuck cams and the tuck cam spring take care of the proper direction of the tuck cam spring Then clamp the tuck cam assembly onto the carriage plate with screws These tuck cams should be Kept open
7. a problem is found in a check between the solenoid and the solenoid chassis replace the solenoid If a problem is found when checking the solenoid signal cord replace the solenoid signal cord n 7 5 Checking Needle Selection by Test Pattern Pattern numbers 1 through 288 are internalized but other than that there are also 881 through 884 which are test patterns The pattern for each of these is given in figure 7 4 The test is performed according to the following procedure 0 Puta sufficient number of needles in position B Turn the power switch on and push the selector 1 key Push the STEP key and then the CE key Then enter the digits 881 884 and push the STEP key twice The READY lamp should light Turn the variation 4 double length switch on and set the K carriage change knob on lt KC gt Select needles after passing the K carriage from the outside of the turn mark The needle selection should change after every other pass Fr ixl aerate ein Se teras ned M 8 CHECKING THE ADAPTER KH 270 is uses exclusive A C adapter As the D C output of the exclusive A C adapter is 9 5V in no resistance lollow the test procedure Test Procedure 1 off the power switch of the knitting machine Pull oot the A C adapter from the knitting machine and the outlet
8. eu SS zie rear side of the needle selector plate holder and puli the needle selector plate shaft toward you 10 5 Removing the rotary cam lever I When the five cam lever spring presser plate screws are taken off the cam lever spring presser plate and rotary cam lever spring come off und the 12 rotary cam lever may he taken d reade aay can let ring Rotary cat lever i spine piste Fom 126 106 Removing the rotary cam 1 Take out the bevel gear spring pin and the slit dise spring pin 2 Loosen the right and left rotary cam adjuster collar screws 3 Take out the rotary cam holder left screws and then the rotary cam holder When the rotary cam is pulled toward the left and out of the rotary cam holder right the bevel gear and spacer will come out Take out the slit dis e 5 Rotary cur Side NAR cam we et Cand reader pee sopper CERES 6 out the four rotary cam spring pins and pull out four rotary cams from rotary cam shaft 12 2 Assembling the Main Body 1 Mounting the needle selector unit DWDD 11 Mounting the rotary cam 1 Insert the rotary cam into the rotary cam shaft one by then join the hollow of the rotary cam to the projection of another rotary cam as shown in Figure 12 9 2 Place the adjuster collars onto both ends of the ro
9. foot 323 And the selection cams for end needle the end needle selection cam springs and the selection guides for end needle come off Removing the connecting plate 331 Remove both right and left connecting plates by pulling up the front foot side Removing the needle selection change plate 34 1 Remove the clamp screws of needle selection change plates 342 Remove the shafts for needle selection change cam See Parts Catalogue part no 154 on page 3 heir screws with a small E 33 i Q d 3 Names of Parts Front slide plate Front foot Guide cam A Slide guide cam Push up cam guide cam Thread lace change plate 21 Fastening plate for thread lace change plate Stitch cam Valve cam A MC cam Washer Guide cam Needle selection cam guide plate upper Needle selection cam flower 1 Guide cam G 2 Valve cam Separation cam Tuck Rear foot Connecting plate Needle selection change plate clamp screw 11 2 ASSEMBLING THE CARRIAGE x e 9 Names of Parts Needle selection change plate 0 da Sun 2 Connecting plae haria Gi Son am rend ele a nnm D o n m Needle seiccton cam guide plate upper Butler for selected needle Separation cam cam G Guide cam MC cam
10. holder side should be hooked to the spring hook on the lower side of the needle selector plate Ihe remaining plates 1 5 and 4 should hooked on the spring hook on the upper side of the needle selector plate The springs should be hooked alternately to the top and bottom of the plates Next place needle selector plate 3 to the needle selector plate holder in the sequence given in 1 and 2 above Similarly place the remaining needle selector plates 5 2 4 and 6 to the needle selector plate holder in that sequence refer to figure 12 13 After placing the needle selector plates insert needle selector plate shaft angled and secure it with a snap ring 2 5 refer to figure 12 13 Mounting the needle selector unit and the needle selector plate holder to the main body 3 1 Mount the needle selector plate holder and the needie selector unit to the center and right stays The mounting holes in the center and right needie selector plate holder stays and in the needle selector unit are oblong horizontal holes so use the center of the hole and tighten only lightly 32 Put the 12 N S P operation levers through the holes in the needle selector plate and into the left side of the rotary cam lever and mount the operation lever presser Mounting the needle selector unit and the needle selector plate holder to the main body 41 Place the needle selector plate shaft B of the needle selector plate holder into the angled h
11. right position sensor signal will be displayed The green lamp will light indicating that the right side is being checked 1 Using the sequence given in 4 5 above check the conditions of the K carriage the left Note To recheck the left side pushing the VELLOW key will put the equipment the condition given in 4 above When there is no problem by performing the checks given above Push the STEP key and the voltage display on the display well as the YELLOW GREEN and START lamps will be turned off Then the step 2 test will begin When there is s problem By performing the checks given above check the mounting position of the position sensor PC board horizontally and vertically to see that cach have the proper voltages If they do not replace the position sensor PC board Step 2 This is to check to sce whether of the needle position detect circuit signals the Vi Va and IRQ count edge signals have been properly sent to the computer 10 Move the carriage forward and backward one time 20 needles or more If problem is noted during step 2 an E will be displayed in the memo display and an error digit in the display When there is an error digit in the display the step will proceed no further If the key is pressed the step 2 test will be repeated Error digit has error digit only in this step the Vi V signals or iRQ signal are not sent c
12. 8 5 oven 55 Solenoid PC Board The solenoid PC board is PC board which is acted upon by the needle selector device It is connected to the control PC board assembly by a connector P4 There are 12 needle selector solenoids with numbers on them counted sequentially from left to right There are 6 needle selector plates the relationship to the rotary cam of which is given in figure 5 3 below 5 6 Relationship between Needle Selector Plate Solenoid and 5 7 The Relation between Knitting Machine amp PPD Cartridge Needle Number Possible impossibility Carriage travel to the right r The relation between KH270 PRO Cartridge Newest piate anap ape SS Pere Cdp Pern IIT T 7 or PESO 1 Connie Moe 9 ewm ww 3 7 o o 5 Cea Otras mmi 5 5 E o pels 7 2 E The relation between H900 amp PPD Cartri iei Li 10 Stitch Pattern Cartridge Stitch Pattern Cartridge 10 3 i or lor 5 eua x xw se Tem Ec x x x x 2 Carriage travel to the left 190000 L3 x i
13. 88 in order to clear the memory RAM after assembling the pattern case whole unit 2 Removing the Main P C Board After remove the Control PC board remove the eight screws of the Main board In order to remove the screws remove the Main PC board and Keys so invert the pattern case whole unit Ecc 10 WHEN CREATED PATTERN DISAPPEAR WITH POWER SWITCH ON E blinks in the memo display and the created pattern disappears when entering created pattern In this ease the battery is consumed up he voltage is dropped less than DC 25V there is something damage in the memory SRAM for created pattern So that check both the battery and the main P C board according to following Note case of KH 270 if the battery is consumed up or there is some damage in the memory SRAM which is cleared automatically without blinking of And if power switch off or disconnect the cartridge while is road from cartridge the memory i cleared automatically 1 Remove the Main PC board Then measure the DC voltage between terminals of the battery with a circuit tester 2 M the voltage of battery is less thun DC 2 5 V the battery is out of order So replace the battery II the voltage of the battery is DC 2 5 V more the battery is normal Then try the TEST PROGRAM 888 for checking the memory RAM circuit of created pattern If E is indicated in the memo display there is p
14. SERVICE MANUAL FOR KH 270 ELECTROKNIT 1 PRODUCT CHARACTERISTICS 2 PRODUCT SPECIFICATIONS 3 QUICK TROUBLESHOOTING CHART 4 NOTES OF CAUTION FOR CHECKING AND REPAIR nu 5 CIRCUITRY CONFIGURATION 51 Control PC Board 52 Main PC Board uu 53 Left Position Sensor PC Board and Right Position Sensor PC Board 54 Encoder PC Board 55 Solenoid PC Board ee 54 between Needle Selector Plate Solenoid Needle Number 5 The relation between knitting machine amp PPD Cartridge Power 6 TEST PROGRAMS 61 Test 885 62 Test 88 63 Test 889 7 CHECKING THE NEEDLE SELECTOR 74 Checking with the Power Switch Turned Off 72 Checking with the Power Switch Turned On 7 3 Checking with the Solenoid On 7 4 Checking the Solenoid 7 5 Checking Needle Selection by Test Pattern DE ew was 0 13 iG THE ADAPTER REMOVING ELECTRICAL ELECTRONIC PARTS AND PC BOARDS 92 15 Removing the Battery and Control P C Board 15 Removing the Main Board 16 WHEN CREATED PATTERN DISAPPEAR WITH POWER SWITCH ON DISASSEMBLY ASSEMBLING AND ADJUSTMENT oF CARRIAGE na DISASSEMBLY AND ASSEMBLY OF THE MAIN BODY 124 122 ADJUSTMENT AND CHECK OF THE NEEDLE 16 Di
15. and should be returned to their home position by the spring pressure when they arc pressed and released Mounting the needle selection cam and the separation cam 6 1 Fit both buffers for selected needle into the square holes of the carriage plate 62 Put cach separation cam and necdle selection cam together and mount cach needle selection cam guide plate onto needle selection cams Fix them respectively with screws 6 3 Put the valve cam Fs the needle selection change spacers collars the necdle selection change cams and the guide cam Gs in this order Then assemble them with screws and a small Phillips screwdriver Mounting the guide cam F 7 1 Mount the left guide cam F and fix it with a screw 72 Mount the right guide cam F in the same way Mounting the stitch cam guide plate Mount the stitch cam guide plate from the front side of the carriage Then put washers to the right and left shafts of the stitch cam guide plate from the bottom side of the carriage and fix them with snap rings Mounting the MC cam 9 1 Tighten the screws of MC cams Be sure to check these MC cams move lightly Mounting the valve 10 1 Tighten the screws of valve cam As The valve cam A should be moved lightly by the pressure of the valve cam D spring Mounting the stitch cam 11 1 Mount the left sub stitch cam shaft collar valve cam D spring valve D stitch cam and sub stitch cam in this order onto the carriage plate
16. anism refer to 13 on P 42 and 113 on 29 problem is found in the 7 3 check will indicate a problem in the electrical circuitry Check this with the test program given in chapter 6 885 888 this does not produce the answer perform the check in 7 4 the cxample shown in the picture is a solenoid no 79 problem 7 4 Checking the Solenoid Turn the power switch off and disconnect connectors 4 and 55 P4 and PS on the main PC board m pr 23 655799 ELLE aies pora Wee 1323865619 Cota of the w WR WRYRWRYEWR y BW RY BWR Y mz X Red Resistance should be within 100 123 0 If it is not there is a problem which may be found with the check given below If no problem is found in the resistance values perform the check given in 7 5 Disconnect the needle selector solenoid unit Check the resistance values of the places which correspond to the solenoids on the solenoid PC board which were found to be bad The resistance value of the solenoid coil should be between 100 123 1 the resistance value of the solenoid signal cord should be 0 and the resistance value of the metal portion of the main body and the solenoid should be ef refer to figure 7 3 of the solenoid signal code of the sent coit 0100 1230 foxy ek bce nd ond the meal peto ma Boy Fuere If there is a problem If
17. check will be Performed to ensure that S5 has heen written Then AA HEX will be written and a check performed to scc that has been written into all fields When these checks are passed 0 is written into all fields of the memory and the READY lamp lights If the checks are not passed an E will indicate in the memo display Pushing the STEP button repeats this test Note The check requires about 30 seconds for completion Be sure not to turn the power switch off before it is completed If there is a problem If an error is registered on the display replace the main PC board 6 4 Test 889 Display Key Test Step 1 Indicator lamps all blink Tum the power switch on Push the CE key turning the display off Input the digits 8189 and push the STEP key In the display and in the memo display window and 8 and the remaining lamps LEDs will all light on Press the STEP key The display and the lamps will all go off and the step 2 testis ready Check to ensure that the keys are functioning properly Ifa key is pushed the number for that key should be displayed in the display The numbers for cach of the keys is given in chart 2 If there is a problem There is a problem in either the main PC board or in the control PC board Replacing the main PC board and repeat the 889 test program If the same problem reoccurs that will indicate that there is a problem in the cont
18. clamping the knit leader tripper and the row counter tripper from the bottom of the carriage 6 Removing the handle setting base 6 1 Loosen the right and left screws to remove both handle lock springs 62 Remove screws on both sides to detach the handle setting bise 7 Removing the upper slide plate Remove the snap rings for the change knob shalt and the carriage calking shaft which is located on the left side with a slotted screwdriver 72 Remove the upper slide plate by lifting up its both sides simultaneously Tis 3 Removing the needle selection change lever spring 8 1 Remove the right and left needle selection change lever springs from the carriage rear plate 82 Pull up and remove the right and left magnet holder 9 Removing the connecting plate spring 9 1 Pull up and remove the right and left connecting plate spring Removing the rear plate 10 1 Pull up and remove the rear plate 11 Removing the tuck cam operating plate Remove two tuck cam springs from calking pins 11 2 Pull up and remove the presser ring and the right and left tuck cam operating plates 12 Removing the change plate A and 12 1 Remove the right and left MC cam springs from the pin 12 2 Remove the change plate spring from the change plate 123 Remove the change plate A spring from the change plate 124 Remove the change plate spring 125 Remove the nut of change plate guide collar with a 6 m m box driver o detach the change p
19. d secure it with two screws Mounting the left position sensor PC board and the right position sensor PC board 7 4 Tighten each of the PC boards down with screws The main body housing XI Place the ncedic selector plate holder on the left side of the main body over the left ower side plate and put the main body under the case 2 Fit and tighten the screw each on the left and right front portions of needle bed 3 Fit and tighten the two screws each on the left and right needle beds 4 Fit and tighten the two installation screws on the yarn tension stand 35 Fit and tighten the three screws on the carrying case reinforcing plate 4 6 Mount the left and right parts of the table clamp setting plate from the rear of the main body and tighten cach down with two screws Mounting the accessory box assembly 91 Insert the left part of accessory box into the left lower side plate 92 Tighten the two one goes inside the accessory box screw the cord for the left position sensor PC board should pass through the rear of the case Mounting the pattern case whole unit 10 1 Insert each of the connectors to the main PC board rear of the pattern case whole unit in five places 102 Insert the right part of pattern case whole unit into the lower side plate 10 1 Fit and tighten the two installation screws 12 3 How to adjust the needle bed comb Ref No B 4 5 6 In Parts catalogue Pique 247 1 Take out the machine body
20. e Xf Cancer Ea o m T ajos The relation between K H940 amp PPD Cartridg 1 O ERE 3 ic Fon Covi Pate i vi nin Vor PEDI _ sie Cane Mode w Sim D xfa Tast o i FED Cater kia pae dpa 1 jo Swe 5 ENE KHI PPD Cartridge 1 pagel ax 1 page u I x CIE E ars Stitch Pattern Cartridge EXTRA s Built in 853 patterns Option Xm d Load o m CERES 92 pages 2 pages See KH Cartridge 5 teras cra Wovem dace patterns KHOA can not kit Tuck amp Lace 2 KH270 can not mixtared pattern and lace patterns 5 8 Power The power uses exclusive adapter The generating power of the adapter is DC7 SV and 12 The generating power of the adapter which is changed into 5V by voltage regulator in the main PC board of the knitting machine is supplyed to computer memory and solenoid driver ete Polarity of the DC plug outside 9 inside DC plug 6 TEST PROGRAMS 6 1 Test 885 Needle Position Detect Circuit Test Step 1 Display right or left position signal voltage The computer will report that it has detected either the carriage sensor magnet B Test procedure 1 Turn the power switch on
21. e right stitch cam in the same way Removing the valve A 251 Remove both right and left valve cam as by removing the screws on the each sides 26 Removing the MC cam 261 Remove both right and MC cams by removing the screws on the each sides Removing the stitch cam guide plate 271 Remove the snap rings and the washers from the shaft to detach the Stitch cam guide plate l Removing the guide cam F 28 1 Remove both right and left guide cam Fs by detaching their screws Removing the needle selection cam 29 1 Remove the guide cam Gs by detachi Phillips screwdriver 292 Remove the screws of needle selection cam then the needle selection cams the needle selection cam guide plates and the needle selection change cams come off 293 And remove the needle selection change spacers collars and the valve Fs Removing the separation cam and the buffer fur selected needle 30 1 Remove the screws to detach the separation cams and the buffers for selected needle on both right and left sides Removing the tuck cam 3 1 Remove the screws of tuck cam on both right and left sides then the tuck cam plate the right and left tuck cams the tuck cam springs and the tuck cam shafts come off Removing the carriage rear foot 32 1 Remove the selection guides for end needle from the front side of the carriage and remove the end needle selection springs from the carriage plate 322 Remove six screws to detach the rear
22. e selector unit 10 Disassembly of the needle selector unit comes off the needle selector plate holder The 12 N S P operation 10 1 Remove the 2 screws from the encoder PC board and remove the levers in the needle selector plate holder and the needle selector unit encoder PC board also come 102 Removing the needle selection solenoid unit 9 Removing the needle selector plate holder When the two screws are removed the needle selection solenoid unit 9 1 Remove the center stay the two operation lever presser screws and the will come off operation lever presser 92 Remove the six needle selector plate springs Make sure of the mounting direction and position of the springs before removing them Q0 Operation tever nt fH Fera 103 Removing the bevel gear 232 D Remove the position sensor board holder plate R after removing the two screws and washers 0 Take the snap ring and washer from the pulley shaft R and remove i the bevel gear 232 Note l The washer on the rear of the bevel gear 732 has grease on it so be Snap rine cautious that it is not lost when it comes off z p SER gem 4 z lt gt 4 X gt Poston sensor hoard E LI Mn 93 Remove the needle selector plate shaft B angled snap ring 2 5 from the
23. e washer on the bevel gear 732 and place the bevel gear 732 such that its relationship to the rotary cam is as shown in Figure 24 3 Put the washer on and secure it with a snap ring 4 Mount the position sensor board holder plate R Note Apply grease Epinoch 1 to the teeth of both the bevel gear and bevel gear 732 14 Mounting the needle selector unit 1 the needle selection solenoid armature on the tip of the rotary lever and install the two installation serews he mh titor Plates ino here gous 0 21 The needle selector plate holder should be mounted in the following sequence 1 needle selector plate number into the seven grooves in needle selector plate shaft A of the needle selector plaic holder and sliding it toward the left push it in refer to figures 12 12 The grooves in needle selector plate shaft go from the needle selector piate holder side in the following sequence 13 5 2 4 and 6 Exercise sufficient caution in this regard when pushing the needle selector plates into the needle selector plate holder Also be cautious to ensure that the plates arc not bent so far that they break when being inserted 2 Next hook the needle selector plate spring onto needle selector plate 1 and the necdie selector plate holder spring hook The nccdic selector plate spring should be hooked as follows 3 and 6 from the needie selector plate
24. ector 1 key on by pushing the STEP key Input pattern number 100 or any of the others from 1 288 or 881 884 push the STEP key twice and push the MEMO key once again when the READY lamp comes on Select needles after the carriage has passed the turn mark from the outside At this point the needles should all be selected to position B Note The above check should be performed with the carriage traveling right left If there are needles selected to position D perform the check given in 7 3 7 3 Checking with the Solenoid Remove the two operation panel screws While holding up the left side of the panel and sliding the panel toward the left remove it from the main body with connectors Place the removed panel on the rear of the main body case Remove the three cord cover screws and the cord cover Set the K carriage needie change knob to lt KC gt and put all the needles in position A Turn the power switch on and push the MEMO key as in 7 2 2D Move the K carriage past the turn mark from the outside and then move it from right to left The armatures should all remain in the down position pleure The feum armature he ow of ptm Ifa problem is found in the 7 2 check If a problem is found during the 7 2 check but the 7 3 check produced none it will indicate a problem in either the needle selector mechanism of the main body or in the carriage needle selector mech
25. ension from rear foot is 7 mm See How to Adjust the Carriage mentioned in this manual Mounting the front foot 16 1 Tighten the two screws in the middle of the carriage front foot Mounting the front slide 171 Mount the front slide plate onto the front foot und fix them with both right and left stud screws of the front foot Be sure to check the slide plate moves lightly and the change cams move down when the slide plate is slided to the H Holding position 18 Mounting the cam change plate IBI Mount and fix the cam change plate with nuts 18 2 Hook the valve cam F springs over the carriage calking pin and the valve cam 19 Mounting the valve eam spring 19 1 Hook the valve cam spring over the selection guide for end needle and the valve cam on each side Mounting the nut 20 1 Mount the with box driver 6 m m Mounting the push up change plate 21 1 Put the screws of push up cam slide plates and the shafts of MC guide cams into the holes of push up change plates Attach the collars and fix them with screws 22 Mounting the change plate A and 22 1 Mount the change plate B and the change plate A in this order Then put the screw change plate guide collar and fix them with the nut 6 mim 222 Hook the change plate spring to the left 223 Hook the change plate A spring to the right 224 Attach the change plate spring between the change plate B and the thread lace change plate
26. from the lower case assembly Sec 35 Loosen 9 clamping screw for needle bed comb on stay right center and lower holder plate X Loosen 12 clamping nuts on the back side of combs with a wrench 4 Put out three needles cach at both ends and in the central part of the needle bed and determine a position of combs so as to let needles come to midway between both combs Bilatcral adjustment 5 fitting measurement of combs at 143 1 m m at both ends and in the central part of the machine body and fasten with clamping nuts longitudial adjustment Note In this case keep it in mind that if such nuls are tightened too hard screw will be twisted off Adjust measurement of fitting combs by use of a sliding calipers and fasten with clamping nuts refer to Fig 12 17 13 ADJUSTMENT AND CHECK OF THE NEEDLE SELECTOR MECHANISM 13 1 Adjusting the Card Reader Guide Plate 1 Remove the pattern case whole unit and the remove the cord cover The pattern case whole unit should be placed with connectors still joined to the rear of the main body 2 Connect the AC adapter 3 Turn the switch on and the MEMO key on 4 Align all of the knitting needles to position A set the K carriage change knob to When the K carriage is operated needle selector solenoids are energized to be attracted 5 Loosen the screws on the card reader guide stopper Then after sliding the card reader guide stopper over to the ri
27. g machine IF it is used different adapter knitting machine is broken CIRCUITRY CONFIGURATION tome e Consi e me Base ed e Wight poon emr M s pe board wsembiy ves 3 ALL anum Fi S4 sees rity contrat ofthe 5 1 Control PC Board The control PC board is the main control portion of the equipment It is comprised of the microcomputer memory and voltage regulator etc 5 2 Main PC Board The main PC board is the keyboard portion It is comprised the lamp LED and 7 segment LED switch and solenoid driver etc 5 3 Left Position Sensor PC Board and Right Position Sensor PC Board The left and right position sensor PC board are what send out the carriage position signal It is connected to the control PC board by connector P2 P6 The position sensor signal pin 3 of P2 P6 is normally DC 1 6 18 but when the K carriage sensor magnet approaches the position sensor it becomes DC 3 5V or more 5 4 Encoder PC Board The encoder PC board emits signals required in the detection of the direction and amount of carriage movement and in solenoid selection It is connected to the control PC board by a connector P3 The V pin 4 of P3 V pin 3 of P3 si figure 5 2 below Carag Vnd ge IDE TIED wan E d ion Ox redi mov Li E wes
28. ght slide it very lightly back to the left and tighten the screws such that the right window of the card reader guide plate lightly touches the contact a Relay can lee add zz Shree ocd aes ide opps Pomas 13 2 Adjusting the Rotary Cam Position 1 Turn the switch on and the MEMO key on 2 Align all of the knitting needles to position A set the K carriage knob to KC When the carriage is operated needle selector solenoids are all energized to be attracted 3 After the completion of the card reader guide plate adjustment loosen the four stop screws on the rotary cam adjuster collar and the rotary cam presser collar 4 With a feeler gauge make 0 5 08 mm TYP 0 7 mm gap between the rotary cam and the rotary cam lever Then holding the rotary cam to the right with a flat head screw driver tighten the screw if no ecler gauge is available approximate tbe distance visually 5 Make a 0 2 mm gap between the rotary cam presser collar and the left rotary cam holder and tighten the screws Tighten the four screws each twice to make sure that they are tight 6 Place the knitting needles at position B 7 Turn the power switch off turn the carriage change knob to lt KC gt and check all needles ure selected to position D when the carriage is moved slowly and when it is moved quickly The movement of the K carriage is unusually sluggish when there is no gap
29. in the rotary cam pressure collar or when the gap in the rotary cam adjuster collar is too great When there are needles which do not come out to position D make the gap in the rotary cam adjuster collar greater Rotary cam Card cates topper Lr 2 13 3 Checking the Needle Selector Mechanism The objectives of check sequence 1 First of all in order to determine whether the cause of the error in needle selection is in the needle selection mechanism the mechanism portion or in the electronic portions move the carriage with the power turned off When the power is turned off the solenoids are also all off of the rotary cam levers are on the rotary cams and the knitting needles should all be selected to position D With this test the carriage needle selection mechanism the rubbing surfaces of the needle selection solenoid armature the rotary cam the rotary cam levers the N S P operation levers and the needle selector plate may be checked When the test determines that not all of the needles out to position but that some remain in position 1 When there is no regularity e g 6 pitches 12 pitches et in the needles remaining in position The knitting needles are bent b The belt has mot been properly mounted to the hevel gear 732 assembly The rotary cam has not been properly mounted to the rotary encoder d The card reader guide pla
30. late guide collar 12 6 Pull up and remove the change plate A and 13 Removing the push up change 13 1 Remove the screws of push up change plates right and left and also the collars placed under them 2 Pull up and remove both push up change plates 14 Removing the cam change plate 14 1 Remove the valve cam E springs from the carriage calking pin and the valve 142 Remove the right and left cam change plates by loosening and removing their nuts 15 Removing the valve cam spring 15 1 Remove both valve cam F springs from the selection guide for right and left end needles 16 Removing the nut 16 1 Remove both nuts from the front side of carriage Names of Parts Needle selection change lever spring Connecting plate spring Rear plate Tuck cam operating plat Change plate A upper Change plate B lower Change plate spring Change plate A spring Change plate B spring Push up change plate Push up change plate clamp screw amp collar Cam change plate 1 Valve cam spring 2 Cam change plate Valve cam F spring Nut S BOSSE e Removing the front slide plate 22 25 17 1 Remove the right and left screws to pull up and remove thc front slide plate then the holding cam springs come off the front side Re sure to set the H C L knob to H position when pulling up the plate Removing the carriage fro
31. mechanism problem 4 Check ned mechanism and eel selector j RET ET 6 Power problem 1 Needle selection Trouble Origin Remedy Notes The same needle does not come out I The buu or shank of needle bent 1 Replace needle 1 measarement problem between rotary cam 2 Correct right let adjustment of rotary cam needle aie lever and rotary cam selection mechanism Unnecessary needles come vut wt is grease between the needle selector plates 1 Wipe grease off needle selector plate il 1 TI NS P operation lever is squeezed between the 1 Replace selector unit operation lever presser the rotary cam holder body operation lever does nox move easly X Needle bent broken Replace knitting needle EE 4 Hook of selector plate spring is making contact 4 Correct to hook the needle selector spring vith other needle selector plates P Knitting needle not selected at I The butt or shank of needle Beat Replace knitting needie ores 2 Holes in needle bed worn and enlarged Replace bed No needle selection in 12th cycle 1 The rotary cam lever remains at lower position 1 1 1 Lubricate the card reader pude ple 2 Correct horizontal adjustment of card reader guide plate 2 The potion of card reader paide plates too macho he mmm 3 Rotary cam is out of adj
32. n should return to its original position without tail 11 4 CHECKING THE CARRIAGE FUNCTIONS 2 Check to be sure needle butts smoothly pass the following gt SIS Between the rear foot and the separation cam Between the tuck cam plate and the thread luce change plate Between the slide guide cam and the slide cam Between the push up cams Between the needle selection cam and Ihe guide cam A Between the needle select and the guide cam G P Between the push up cam and the guide cam when the L button is pushed Between the guide cam F and the separation cam Between the slide guide cam and the thread lace change plate when the 7L button is pushed 11 5 HOW ADJUST THE CARRIAGE 1 The carriage does not move smooth The fabric floats stitch float Cause Adjustment 1 The sinker plates are in contact with the gate pegs There is too much gap between the sinker plates and the gate pegs Sages or unter plate 2 The sinker plates keep up the plain needles There is too much gap between the sinker plates and the plain needles Cienan within Sem Longitudinal adjustment of sinker plate 1 The carriage plate and the sinker plates of this model KH 270 are processed already properly therefore there is no need to readjust them 2 Mounting dimension of sinker plate The standard dimensi
33. nt foot 18 1 Remove two screws to detach the carriage front foot Removing the guide cam A 19 1 Remove the right and left screws to detach the guide cam A and the slide cam comes of Removing the slide guide cam assembly 20 1 Remove two nuts of the slide guide cam screw from the front side of carriage then remove the slide guide cam assembly by loosening two clamp screws Removing the push up cam 21 1 Remove the right and left screws which clamp the push up from the front side of carriage 21 2 Then the push up cams and the push up cam holder plates come At the same time remove the push up cam guide Removing the MC guide cam 221 Remove both screws on right and left sides then the MC guide cams the MC guide change cams and the shafts come off Removing the thread lace change plate 23 1 Remove two screws of the fastening plate for thread lace change plate 232 Loosen two screws of the rear foot 23 3 Pull up and remove the thread lace change plate Removing the stitch cam 24 1 Remove the right and left snap rings of the stitch cam shafts from the front side of the carriage 242 Remove both nuts of sub stitch cams from the front side of the carriage with box driver 243 Remove the screw of the stitch cam left then the sub stitch cam left the stitch cam left the valve cam D left the valve cam D s left the sub stitch cam shaft collar and the screw itself come off 244 Remove th
34. ole in the main body 42 Put one screw into each of the oblong vertical holders in the main body for the installation of the center and right stays tightening it only lightly 43 Adjust the center of the bevel gear Z32 so that it hus the same relationship as in the above figure 12 14 and tighten the center and right stays 44 Install the table clamp setting plate and yarn take up stand in such a way that the main body and the needle selector plate holder will be sct in parallel with each other Fit 1245 LLLI Mounting the belt 5 1 the belt connecting pin such that it is on the inside and place fitting onto the bevel gear 732 as shown in the figure 12 15 2 Turn the hevel gear Z32 pulley by the rib and pull out the rear side 3 On the left side similarly place the belt so that the long hole in it is matched to rhe notch in the pulley and pull out to the rear rail side in Iwo cases out of six 54 Pull hoth ends of the belt together so that the connector pins link with the joint hole in the other 55 Adjust the pulley adjusting plate Rel No C 46 With the pulley pushed toward the right adjust it so that it can move 0 3 to 0 6 mm and tighten the screws 5 5 Mounting the encoder PC board 61 Fit the encoder PC board to the encoder board holder plate rotary cam holder L and tighten it up with the two screws 62 Place the board cord cover an
35. on when raising the pattern case whole unit so as mot to damage these connectors 1 2 Disconnect the five connectors from the main PC board and the control board at the rear of the pattern case whole unit 2 Removing the accessory box assembly 2 1 Remove the two screws one of them is inside the accessory box then while raising the right side of the assembly slide it toward the right and remove it from the left of the lower side plate 3 Removing the main body 1 Remove the three screws from the carrying case reinforcing plate Remove the two screws trom the yarn tension stand Remove two screws each from both the left and right of thc needle bed Remove one screw from both the left and right of the front ncedle bed Remove two main body screws each from both the left and right of the rear of the main body and then remove the table clamp setting plate Raise the right side of the needle bed gently and slide it toward the right removing it from the bottom of the case 4 Removing the left position sensor PC board und the right position sensor PC board 4 1 Take the screws from each of the PC boards and remove them 5 Removing the cord cover 5 1 Remove the two screws from the cord cover and remove the cord cover 6 Removing the belt 6 1 Loosen the pulley adjusting plate serews Ref No C42 on the pulley holder plate on the left side of the main body 62 Turn the pulley to move the belt joint before you to the center of the main body 63 Remo
36. ons between the carriage rear rail and the sinker plate are 149 mm on the inside and 148 mm on the outside When necessary loosen six screws of sinker plates on both sides for proper adjustment See Fig 10 Mounting dimension of yarn feeder gt 1 Mount the yarn feeder so that the dimension to the carriage rear rail may be 1495 mm Vertical adjustment of sinker plate 1 Fit the carriage to the needle bed and set the H C L knob to the position 2 Put some five plain needles forward to the point on three positions right middle and left of the needie bed 3 Bend and adjust the sinker plates so that the clearance between the stems of plain needle and the sinker plates may not exceed 0 5 mm 2 The carriage stops midway The latches of plain needle become bent Cause Adjustment 1 The guide cam A is installed wrongly LI Mounting dimension of guide cam A gt 1 Loosen the right and left screws of guide cam A and the nut of change plate Then clamp again after adjusting the distance from the rear foot may become 71 mm 1 the mounting dimension between the guide cam A and the rear foot should not reach 71 mm the plain needles cannot pass there narrow clearance between the guide cam A and the needle selection cam 32 3 The end needle selection cannot be performed Cause 1 Adjustment 1 Fault of selection cam for end needle Meavy operation Wea
37. orrectly to the Main board assembly when the carriage is moving When other than E3 The condition of the Vs V2 signals will be indicated in a 3 digit display Veo hah on and ft 0 proper condition 1 The signal remains Bigh 2 The signal remains Low When there displays After the check is completed if the condition of Vi V signals is indicated in the displays replace the encoder PC board then perform the check again starting with step rast te heu a problem the condition of signals is indicated in the We v LI 7 7 w 7n Cong avenge a Meus v 7 Whe eis eed en and i Bt oser 25 oe If no problems are noted in step 2 buzzer will sound and the READY will light When there is a problem fier the check is completed if the READY lamp does not light or if an error digits is mot indicated replace the encoder PC board After replacement perform the check again starting with step one 6 3 Test 888 Memory Test The computer wi test the memory The execution of this test will clear the memory of the entirety of its contents Test procedure Turn the power switch on and turn the display olf by pushing the CE key Input the digits S and push the STEP key 55 HEX will be written into all memory fields and
38. r Medie tan iem ape com 1 Replace the selection cam for end needle D Remove the carriage cover B Remove the springs of valve cam and the end ncedle selection springs 2 Set the change knob to the position and push the button PART right and left Then remove the guide cam Cis the needle selection change cams the needle selection change spacers collars and the valve cam Fs 4 Remove the needle selection cams the separation cams and the guide cam S Loosen and remove six screws to detach the rear foot from the carriage Then the selection guides for end needle and the selection cams for end needle come off zac 11 6 MOUNTING DIMENSIONS OF EACH CARRIAGE CAM DISASSEMBLY AND ASSEMBLY OF THE MAIN BODY 12 1 Disassembling the Main Body 1 Removing the panel Removal sequence first the pattern case whole unit is removed and then the accessory box assembly 1 1 Removing the pattern case whole unit Remove the two screws and then while lifting the teft side of the panel slide it to the left and remove it from the right of the lower side plate turning it over and then upside down toward the rear of the main body There are five connectors joined to the main PC board and the control board on the rear of the pattern case whole unit which make it difficult to raise the operation panel Be sure to exercise sufficient cauti
39. roblem on the memory circuit so replace the Control board 11 1 DISASSEMBLING THE CARRIAGE of Parts Handie 9 Stitch dial D 1 Stitch dial cap Carriage cover HAL knob 2 Plain lever knob 3 3 Change knob 1 Removing the carriage handle 3 Removing the carriage cover 11 Remove both handle screws on right and left sides while keeping the E Loosen and remove both right and left carriage cover clamp screws from handle down Then the handle can be taken off the carriage the bottom of the carriage Scc Fig 4 32 Remove carriage cover upward Then the knob the plain lever 2 Removing the stitch dial knob and the change knob will come off 21 Pull off the stitch dial cap upward 22 Remove the fastening screw and pull off the stitch dial upward Names of Parts Cam button unit DH aising cam change pring 6 Knit leader tripper 1 Row counter tripper 6 Handle seing base 9 1 r serew 357 x4 For handie lock spring 3 Upper slide plate assembly ien 4 Removing the cam button unit 4 Remove the right and left raising cam change springs from the raising cam calking pins with the work hooks 42 Remove two screws which clamp the cam button unit 4 3 Remove the cam button unit by pulling it forward and lifting it up Removing the knit leader tripper and the row counter tripper 5 Remove each two screws
40. rol PC board so replace it In this event the former main PC board should normal HE 20 0 s 21 1 3 z 90 VARIATION 2 3 E VARIATION2 24 4 92 VARIATION S 25 5 39 SELECTOR 93 26 6 so input 94 variations E E 95 VARIATIONS 3 8 fic Dw VARIATIONT 2 9 s MEMO K STEP E E CR 5 99 32 43 Yaw 1 57 gt 4 ae CHECKING THE NEEDLE SELECTOR 7 1 Checking with the Power Switch Turned Off Set the K carriage change knob to KC position Turn the power switch off and move the K carriage to check all the needles should be selected to position D The above check should be performed with the carriage traveling right left and at high speed and at low speed 1f there is a problem Then it will be in the needle selector mechanism of the main body or in the carriage needle selector mechanism ind put all of the needles in 7 2 Checking with the Power Switch Turned On Set the carriage change knob to lt KC gt and put all of the needles in position B Turn the power switch on and push the MEMO key The MEMO key lamp should light Note If the MEMO key lamp does not light when the MEMO key is pushed turn the pattern number lamp on after turning the sel
41. sassembling the Carriage Assembling the Carriage Checking the Carriage Functions 1 Checking the Carriage Functions 2 How to Adjust the Carriage Mounting Dimensions of Each Carriage Cum Disassembling the Main Body Assembling the Main Body How to Adjust the Needle Bed Comb us 22905 MECHANISM 13 1 Adjusting the Card Reader Guide 132 Adjusting the Rotary Cam Position 2 133 Checking the Needle Selector Mechanism 43 1 PRODUCT CHARACTERISTICS 2 PRODUCT SPECIFICATIONS 1 application of electronics to a pattern knitting device and automatic needle selection through the internalization of pattern data utilizing a microcomputer 2 Patterns stored in memory may be altered in a variety of ways XD The orientation of the pattern may be changed Q The pattern may be expanded to two times horizontally as well as vertically and up to four times by expanding the pattern two times in both directions simultaneously The pattern may be knitted face to face back to back 4 Negative and patterns may be knitted by merely switching the pattern variation key 3 Large sized patterns may be knitted 112 stitches 998 rows x 2 112 stitches 246 rows 4 Original patterns may be knitted through key input 5 Patterns stored in memory are not erased when the power is turned off 6 Original pattern da
42. sition without fail under spring pressure Needle selection cam operation When the needle selection cam is set at KC and when the end of the right or left part of the needle selection cam is fully lifted and then quictly lowered with your finger che cam should return to its original position without fail under spring pressure Tuck cam operation Cam button unit function When the right or left part of the cam button is depressed and when the end of the right or left part of the cam is fully lifted and then quietly lowered with your finger the right or left part of the tuck cam should return to its original position without fail under spring pressure When the cam button is set at plain and when the end of the right or left part of the tuck cam should return to its original position without fail under spring pressure When the cam button is shifted to TUCK right and left MC L or PART right and left the button should move smoothly and the tuck cam the MC the raising cam push up cam thread lace change plate and MC guide cams should shift their places without fail amp Holding cam lever function Plain knitting lever function When the holding cam lever is shifted to H or operation without fail When the plain knitting lever is thrown rightward while pressing TUCK right and left MC L or PART right and left buttons the lever should move smoothly and the cam butto
43. stment of rotary eam eae is positioned too much to the et 3 Floating itches 1 much gap between sinker plate and gate peg 1 Correct fronceear adjustment of sinker plate See P 2 much gap between sinker plate and needle 27 Correct vertical adjustment of sinker plate See P31 3 Needle latch not functioning properly __ 3 Change needle ms 3 The gage is too tight TE Loosen knitting gage Stitches irregular uneven 1 Uneven spes in carriage operation 1 Make carriage operation speed constant Lateral is produced occasional 2 Poor yarn feed 2 Loosen spring tension ofthe yarn tension disk 2 Knie gage of te risht needle of mcd bed comb uneven keft to right 1 Adjust needle bed comb position even See PAL The carriage gets stuck while 1 The needle bed is damaged 1 Repair needle bed E E knitting 2 The butt of the needle is damaged 2 Replace needle 1 Replace end needle selection cam Operation problem SEC ond conte ection Wrong needle is selected i Encoder sensor board problem Check encoder sensor PCB by TEST BES See 2 Right Left position sensor problem 2 Check Right Left postion sensor by TEST 885 See PE 1 3 Main board problem e Replace the Main board when all other ccc have been checked and no problem discovered 4 Needle selector
44. t with screws on the bottom 32 Mounting the stitch dial 32 1 Mount the stitch dial onto the shaft Fix it with the screw while keeping the cut of stitch dial presser just forward 322 Then mount the stitch dial cap onto them while aligning its pointer to the cut of stitch dial presser sure to check the pointer mark comes right in front of any figure the stitch dial 33 Mounting the carriage handle 33 1 Fix the handle with pin screws while keeping it down 11 3 CHECKING THE CARRIAGE FUNCTIONS 1 Change knob function When the change knob is switched to each position it should move smoothly the right or left part of the con the needle selection switching cam should work without fail sting plate and MC cam operating MC knitting change cam operation Raising cam operation When the end of the right or left part of the MC cam is pressed fully down and then quietly lifted with your finger while keeping tbe MC button depressed all the time the right and left parts of tbe MC cam should return to their original position under spring pressure The right and left parts of the MC cam should shift without fail while the MC button is kept depressed When the end of the right or left part of the raising cam is lifted fully with the stitch dial at the 0 5 or 10 position and quietly lowered with your finger the right or left part of the raising cam should return to its original po
45. ta may be stored or called up with stitch pattern cartridge 7 Thread lace may be knitted with carriage Pitch number of needles 9 mm 114 needles Tw Toke Size L 1 217 mm x W 241 mm x 92 mm Color White Needle material Tempered stcc can be installed Knit reader 16 may be used KR KRC usage Pattern programming device KR260 KRC900 PPD 120 may be used Intersia carriage may be used K A 2600 Pattern needle device Voltage power requirements Accessories Pattern book Design sheet Automatic needle selection by internal microcomputer AC adapter 7 5 1 3 QUICK TROUBLESHOOTING CHART When the change knob is set to Fond needle selection cam problem function is heavy Trouble Origin Remedy Notes carriage docs not move easily I Carriage cam sliding Part is out of oil 1 the butt of the needle and the stitch cam 2 Needle bed sliding Part out of oi 2 Oil from and rear rails of body and carriage The sinker plate and gate peg are in contact 3 Correct sinker plate front rear adjustment See P3I 4 The sinker plate iting the knitting needle 4 Correct vertical adjustment of sinker plate See PSI 3 The gage too tight 5 Loosen knining gage 6 Poor horizontal adjustment of rotary cam Rotary 6 Correct horizontal adju
46. tary cam assembly 3 Place the washers onto the side of the rotary cam assembly with the bevel gear spring pin hole pass it over the rotary cam holder right place the spacer on knock the bevel gear spring pin into its hole and put the bevel gear on 02 4 Insert the rotary cam holder left onto the other side of the rotary cam and insert the slit disc and install it to the main body 5 Knock the slit disc spring pin into place 6 Lightly oil the resin part of the rotary cam the metal part of the bearing of the rotary cam holder right and left and the teeth of the bevel gear with a soap based grease Epinoch 1 12 Mounting the rotary cam lever 1 Apply grease Epinoch 1 to the card reader guide stopper hole on the rotary cam main body 2 Insert the long side of the rotary cam lever into the guide hole of the main body and insert the short side into the guide hole on the rotary cam kver Se Cam ser ing T 3 Apply grease to parts which come in contact with the rotary cam lever and cam lever spring and install the cam lever spring and the cam lever spring pressure plate Install the cam lever spring pressure plate such that the side with the bend is toward the rotary cam lever 1 3 Mounting the bevel gear 732 1 Torn the rotary cam until the flat part of the rotary cam s right end is horizontal as shown in the figure 12 11 2 Put th
47. te or the bevel gear 232 assembly position are out of adjustment 2 dun he needles remaining the position B show regularity 6 pitches or 6xh es T needle selector plate is not moving because the rotary cam levers and Operation levers have not been mounted properly b The rotary cam lever is getting caught on th Card reader guide and slipping do not move Apply grease The needle selector solenoid armature and the solenoid yoke are getting caught and slipping do not move d The armature spring of the needle selector solenoid is bent or has come loose p Ara pring The N S P operation lever stay is interfering with needle selector plate number 6 1 The needle selector plate springs are loose or are interfering with one another 3 When carriage operation is much heavy The carriage will not move The carriage will not move when the rotary cam lever has come loose from the face of the rotary cam When too much pressure is applied to the rotary cam lever it will bend After checking to ensure that the rotary cam lever hax not become bent adjust the positions of the card reader guide plate and the rotary cam b Carriage operation is not smooth The rotary cam presser collar is making contact with the metal portion of the left rotary cam holder bearing The gap between the rotary cam and the rotary cam adjuster collar is too wide Se
48. to the following points I When assenibling disassembling the machine always ensure that the AC adapter is unplugged from the socket 2 Be sure not to pull the plug by the cord when disconnecting it from the socket 3 Tighten nuts und serews down securely 4 Be sure not to lose any nuts screws or washers and ensure not to leave of them in the machine during assembly These can be the cause of shorts in the electrical circuitry 5 Do not damage the cords or PC boards with the soldering iron 6 The electrical parts used in the machine can be damaged by static electric Therefore be sure to handle PC boards by the edges and to refrain from allowing your hands to come into direct contact with parts 7 When transporting boards it is best to wrap them in aluminum foil or in am anti static electricity bag When transporting the main PC board assembly always ensure that the lithium battery has been removed Never wrap the assembly with the lithium battery still attached Polyethylene and styrene can cause static electricity and should not be used for wrapping 8 After the completion of assembly or disassembly check to ensure that all connectors are properly connected and that the equipment operates normally 9 The main power should be the same as the rating of the machine 10 Ensure that the positive and negative terminals of the lithium battery are not shorted 11 Check the exclusive adapter for knittin
49. ustment horizontally Needle 3 Correct horizontal adjustment of rotary cam selector piate travel is too short Rotary cam is positioned See Pa too much 10 the right e Nedic selector solenoid remains power on 4 Check needle selector solenoid FAL 12 Unnecessary needles come out at The rotary cam lever remains at upper position 1 Lubricate the curd reader guide plate Tah eyes 2 Rotary cam is out of adjustment horizontally 2 Correct horizontal adjustment of card reader guide plate selector plate travel is too large Rotary cam is positioned See P42 much to the left Needle selector solenoid remains power off 3 Check needle selector solenoid Bit Needle selection position off by The position sensor is of adjustment 1 Correct voltage adjustment of position sensor and T 12 stitches mounting positon Lagi 2 Connection between belt and carriage connecting plate at carriage forward travel opening is bad 2 Replace the connecting plate Replace th heh pulley brake Friction plate spring See P21 23 X Beit connecting hole is damaged __ Replace the See 5_ Sit disc is damaged 4 Carriage and belt sensor circuitry system is bad 4 Replace the encoder board or replace the main board P15 S Replace the disc 4 NOTES OF CAUSION FOR CHECKING AND REPAIR In order to avoid secondary damage please pay attention
50. ve the belt screws from the hole and remove the belt n 33 34 35 36 1 Removing the needle selector with needle selector plate holder Check the distance between the needle selector plate holder and the front needle bed gt I Take the measurements given the figure above and write them down following the same measurements again during reassembly Note 1 Do not remove the screws on the needle selector plate holder and the 5 screws on the needle selector unit unless the needle selector unit is being disassembled 2 When adjusting the need not be removed 3 In the repair of the main body rotary cam lever and N S P operation levers the source of the problem may be discovered by removing the needle selector solenoid the rotary cam lever holder and the cam lever spring presser plate When the lower holder plate yarn tension stand and the 16 screws with washers on the two gate peg right and center stays are removed the needle selector unit and needle selector plate holder will come off as a single assembled unit measurements of the gate peg the stay 74 AES 8 Removing the needle selector plate holder from the needle selector unit 94 Sliding each of the 6 needle selector plates toward the right ane by onc 8 1 When three needle selector plate hoider screws are removed one from Take them off the 7 grooves on shaft the center stay and two from the right stay the needl
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