NAWON HTM-3788LDi Operating Manual Download Page 21 | Manualshive

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(19) Nozzle Replacement, Cleaning, Sensor Replacement

※Make sure that machine check is done when the heat cools off (lower than 40℃)

▷ Nozzle Replacement
① Unscrew bolt A, B, and C in Figure 1 and pull back cover D to the left.
② Unscrew bolt E in Figure 2 and replace nozzle F.

▷ Nozzle Cleaning

Unscrew nut G in [Figure 2] and

clean a nozzle by stirring nozzle pipe R

upside down.

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Summary of Contents for HTM-3788LDi

Page 1: ...o Gh Gz Gz Gt G HTM 3788 LD v Gt GO P ...

Page 2: ... Heater Replacement 17 Replacement of Upper Roller Heater and Upper Down Rubber Roller 18 Problem Check 19 Nozzle Replacement Cleaning Sensor Replacement 20 LCD Data Input and Description 21 Whole Figure and Names 22 Electric Wiring Diagram and Parts 23 Power Transmission Diagram 24 Part List 1 2 25 Part List Knife 26 Part List Tape feeder 1 2 In order to order parts please state Model No and part...

Page 3: ...n should be well noticed before using the machine An exporter should control all processes from transport to installation which have a direct influence on the safety of machine and operator When the equipment is transported by a forklift an operator should watch out several power cords on the floor Besides an operator should be careful not to have the machine dropped on the floor Operators should ...

Page 4: ...e Whether or not the parts are too heavy to transport should be checked and an operator watch out any worker under the cargo While transporting the machine in accordance with the instruction of the manual the evenness of the floor and hardness of the material should be checked in advance to prevent any accident For fire safety automatic sprinkler systems automatic extinguisher or hydrant should be...

Page 5: ...OYPGs G Gk G Gz G Gz XUGzhml G hyupunGzpnuz z G Gz k y G G G G G G G G G G G G G G G G i G G G G G G G ...

Page 6: ...weekly monthly Period No Description CHECKING DAILY WEEKLY MONTHLY 1 2 3 1 2 1 2 3 4 5 Remove moisture in air filter Remove moisture in compressor Clean and check nozzle Regular check on electric parts Foot switch check Lubricant check Clean air filter Bolt Knife check Shaft bolt check Chain tension part check 5 ...

Page 7: ...own in Figure B below Figure A Figure B Figure C Properly Sealed No Air Allowed 6 2 In order to prevent water leak through the seam this machine seals the seam using hot wind as shown in Figure A above 3 If the seam is properly sealed there should be no air on the tape sealing space as shown in Figure C below Air could be created due to machine speed temperature or pressure The fabric and tape sho...

Page 8: ... Air and Power Connection ⓐ Air pressure 5kg cm2 6kg cm2 Compressor capacity for 1 set 3HP NOTICE Under low pressure warning alarm may not go off and machine won t be operated ⓑ Power Connection Power is connected by 1P 220V For both 50Hz and 60Hz If the voltage is lower than 210V or higher than 240V stop the operation 7 ...

Page 9: ...page 25 7 Switch on upper roller heater See Temperature Input Method in page 25 For temperature rise in upper roller it takes about 10 minutes 8 Set proper speed Type of TapeSpeedTemperature Adjust the speed depending on the type of tape and fabric Under over 4m min 3 layer tape becomes the cause of water penetration 9 Relation between speed and temperatur m GX m Y ynY ynX ynX ynY m X wv lyGzV G G...

Page 10: ... If it s hit on hard the tape is cut off and a nozzle stays in a roller for some time and returns to an original place Then the upper roller goes up after revolving for some time Then tape keeps going down up to the next work position S W A Nozzle part ⓒ Finishing Up Switch Off 1 Switch off nozzle temperature and roller temperature 2 If the nozzle temperature is lower than 70 remove air Switch off...

Page 11: ...nd set proper speed to the level that no tremble is detected in machine J1 is adjusted during UP while J2 is adjusted during DOWN A J1 J2 H1 H2 Figure 1 Figure 2 8 Nozzle Speed Control Adjust the speed by turning H2 and H1 in Figure 1 above H1 adjusts the speed when a nozzle moves toward roller while H2 adjusts the speed when a nozzles moves from roller to the outsides If a nozzle moves too fast a...

Page 12: ...If a roller is crushed too much it could be easily damaged Therefore it should be adjusted enough for the fabric not to be slipped out even if it s strongly pulled out At the same time the upper roller pressure should be adjusted 3 5kg cm2 10 Upper Roller Pressure Control For the upper roller pressure there are upper roller pressure gauge on the panel and adjusting regulator Adjust the pressure by...

Page 13: ...r will be opened 2 Adjust the Nozzle Up Down Figure 2 1 After slightly Loosening the Bolt A 2 Looking the Guage of I 3 Adjust proper distance by turning nut lever B 4 After the adjustment lock bolt A Front Back adjust Lever D Guage J Left Right adjust Bolt E up down Figure 2 Figure 3 Front Back 2 3mm Figure 4 Figure 5 2 Adjust the Nozzle Front Back Figure 5 1 After slightly Loosening the Bolt C 2 ...

Page 14: ...Figure 7 Figure 8 Nozzle Cleaning If nut G is turned to the left once a nozzle is cooled off the nozzle is separated from heater housing Mildly stir nozzle upside down and remove foreign substance glass powder in a nozzle If nozzle is blocked the sealing would not be properly done Then a heater problem may be followed If nut G in Figure 7 is turned while a nozzle is heated G thread could be spoile...

Page 15: ...ver adjust the guide Set the tape as shown in figure X NOTICE 1 Make sure that tape surface faces front 2 If tape guide is too narrowed puckering may occur If it s too wide it could be folded at pause and the tape would come and go tremble in roller 3 The tape feederspeed VR1 should be adjusted a little faster than machine speed hwlGn pkl wv lyGz QG G Gh Gs GQ i G G wVkv uSG G G UGp G G G G G G U ...

Page 16: ... when power is switched off Remove 1 in Figure 5 by turning it to the left Remove two bolt 2 in Figure 5 by turning it to the left and replace nozzle heater 9 Power switched off See Figure 6 7 and 8 Replace nozzle heater sensor Sensor error is displayed on LCD If the temperature blinks for over 20 minutes check heater sensor Replacement of roller heater Temperature blinks on the LCD Replacement of...

Page 17: ...and remove if from upper roller Then loosen and replace bolt B and C m GX m GY m GZ 2 Replacement of Upper Roller Loosen bolt A in Figure 2 remove B plate and then replace the roller 3 Replacement of Lower Roller Loosen bolt A B and C in Figure 3 remove D plate and then replace the roller h h h i i i j j X k ...

Page 18: ...t of Foot SW Even if foot board is stepped on PCB CN6 LED D11 D12 and D13 does not turn on Check the power cord to the terminal Replacement of Heater First check the followings Check if the heater pressure exceeds 0 8kg cm2 If it doesn t do the adjustment with heater air Check if SENSOR ERROR b out is displayed on temperature LCD If SENSOR properly operates Check if temperature LCD is properly dis...

Page 19: ... 21 Nozzle wind from the left and right is not stable Check if the nozzle wind is okay If work area is humid the moisture in filter and compressor should often be removed Air dryer needs to be installed Check if pressure safety SW PS220 properly operates If nozzle pressure is less than 0 8kg cm2 check there is any noise in a machine room Check heater cable and connection Replacement of Solenoid Kn...

Page 20: ...lers spin one direction only Check powertransmission chain see Power Transmission in page 29 A nozzle does not move Check thermometer error message on LCD Bad thermometer and temperature Check solenoid circuit Check if D5 NOZZLE LED and CN1 connector S02 220V properly operate Error Messages Air Low Weak main air pressure filter gauge in foot board Increase to over 4kg cm2 Nothing moves If PCB LED ...

Page 21: ... off lower than 40 Nozzle Replacement Unscrew bolt A B and C in Figure 1 and pull back cover D to the left Unscrew bolt E in Figure 2 and replace nozzle F Nozzle Cleaning Unscrew nut G in Figure 2 and clean a nozzle by stirring nozzle pipe R upside down m GX m GY m GZ j Gk i Gh i Gl u Gw Gy u Gn u m i Gi YW ...

Page 22: ...crew bolt A B and C in Figure 1 and pull back cover D to the left Unscrew bolt W and nut Y and replace sensor H Be careful while unscrewing nut Y Nut Y should not be unscrewed until the heat is completely gone i G z Go u G YX ...

Page 23: ...s to the top and bottom whenever the button is pressed used to replace a tape Under HOME page if the button is pressed and held a tape is released to the roller Under a setting mode if an arrow mark is displayed on the LCD the menus are moved to the bottom Under a menu page if a cursor flickers on a number section the figures are rounded down 4 DIR As a roller conversion switch if upper roller is ...

Page 24: ...V 4 ROLR H ON OFF Start Roller Heating System 5 NZLE H ON OFF Start Nozzle Heating System 6 SET ENT Thermometer setting button ⓑ How to adjust and set nozzle temperature y Go GvuVvmmGs u G GvuVvmmGs z G w m GXTY QQGuv slGwvzp pvupunGz z lt uv slGtv ltlu G vG wVkv u uv slGtv ltlu G vGpuVv uv slGtv ltlu G vGslm Vypno G TGw G G G G G G G G G G G G TGw G G G G G Gu G G V SG GGG G G G G G Gp Vv G ...

Page 25: ...R MELT THE TAPE a IF THE WELDING TIME IS TOO LONG THE FABRIC IS BURNT OR FINISHMENT IS CURLING b IF THE WELDING TIME IS TOO SHORT THE ADHESION IS NOT GOOD RVS REVERSE ON OFF ROLLER S REVERSE REVOLUTION S DISTANCE WHEN THE WORKING BE STOPPED USUAL STATE OFF ON RVS LEN Mode CUT STANDARD FIFURE 0 1 SEC THE SPEED OF AUTO CUTTING A R P AUXILIARY ROLLER PRESSURE STANDARD FIGURE 20MM AT THE STARTING TIME...

Page 26: ...e at a normal speed but when the work is changed into the round work the distance between the nozzle and the roller becomes far and at the same time the speed automatically becomes slow This function is to increase the accuracy of the round work If it is too slow the fabric can burn and if it is too fast the accuracy of the round work can go down If the knee hold is hit during the work the nozzle ...

Page 27: ...er moves by 1mm wind will become off If the wind keeps blowing the adhesion of the tape will become poor FEED RevF off on If the FEED switch is pressed the tape will come down as long as the set TL tape length and the reverse will immediately work fAir Impac off on fAir Impac T If the front impact is on the Front Air function will be changed into the Front Impact function Ex If the knee hold is pr...

Page 28: ... G G G GO WYP Gh GO W_P GO X P m GzV Gˈhˉ m GzV Gˈiˉ h Gm GO WXP wv lyGzV GGGGO W_P Gz GGGGO YWP u Gj GO X P o Go GO X P zwllkG y GGGO W P wv lyGshtw GGGO W P s G i GO W P Gsjk O WXG W_P G Gi GGGGGO XWP G Gw G GO WZP G Gw n GO W P ࢫ ihjrGzpkl u G GO X P Y t G G G GGGGGGGGGGGOm XP ...

Page 29: ...uGwjiGO W_P vs hnlGyln sh vyGO wyTo P hwlGmllklyGwji olytvtl lyGkpzwsh GGGGivhyk olytvtl lyGwji yvsslyGolh punGwji sjkGkpzwsh Givhyk wv lyGz wws GGOY SGXYU hP tv vyGkyp l jvu yvsGzV GGOztjTYWwYP wylzz ylGzV GGGGOzwzTYXWP ZW ...

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