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4-3. Exclusive grease replenishment (only for the MO-6800S)

  *  Periodical replenishment of the exclusive grease (once every one or two years) will be effective to ensure 

smooth operation of the machine.

1)  Remove grease replenishing rubber plug 

 from 

the needle bar compartment.

2. How to replenish the looper compartment with grease 

1)  Remove grease replenishing rubber plug 

❶ 

from 

the looper compartment.

2)  Replenish  grease  by  means  of  a  tip  of  screw

-

driver 

 or the like. Use JUKI GREASE A for 

the replenishment of grease

 

JUKI GREASE A: 40006323 (part number)

2)  Replenish  grease  by  means  of  a  tip  of  screw

-

driver 

 or the like. Use JUKI GREASE A for 

the replenishment of grease

 

JUKI GREASE A: 40006323 (part number)

1. How to replenish the needle bar compartment with grease

Summary of Contents for MO-6800DD10 Series

Page 1: ...MO 6800S D DD10 Series INSTRUCTION MANUAL...

Page 2: ...the differential feed ratio 16 5 6 Replace the knives 17 5 7 Adjusting the overedge width 18 5 8 Adjusting the needle height 18 5 9 Adjusting the presser foot 19 5 10 Adjusting the feed dog 21 5 11 Th...

Page 3: ...100 g tube Part number 40006323 10 g tube Weight 28 kg Noise Equivalent continuous emission sound pressure level LpA at the workstation A weighted value of 83 0 dB Includes KpA 2 5 dB according to IS...

Page 4: ...2 2 NAMES OF MAJOR PARTS Presser foot lifting lever Presser foot asm Thread stand Oil gauge Pulley Cloth plate cover...

Page 5: ...wing machine weighs 28 kg The installation should be carried out by two or more people Do not connect the power cord until installation is complete The machine may operate if the treadle is depressed...

Page 6: ...ide 3 2 Installing the pedal sensor 1 Install the pedal sensor to the table with mounting screws supplied with the unit It is necessary to install the pedal sensor at such a position that the connecti...

Page 7: ...onnecting rod to installing hole of pedal lever with nut WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start the following work after turning the po...

Page 8: ...onal injury To prevent personal injury caused by maloperation be sure to lock the connector with lock Do not connect the power plug until the connection of cords is completed Fix the cords while takin...

Page 9: ...setting when you turn ON the power to the sewing ma chine 2 Check that the power switch is in the OFF state Then insert the power plug coming from the power switch into the plug receptacle In prior to...

Page 10: ...he shaded sections of needle bar and upper looper guide have to be lubricated Take care not to pour too much amount of lubricating oil at the time of lubrication If the ma chine is lubricated with an...

Page 11: ...IL SILICON OIL 3 To extend the usage term this machine has equipped an oil filter Clean up this oil filter once every month and change it with a new one where necessary Needle cooling lubrication oil...

Page 12: ...to replenish the looper compartment with grease 1 Remove grease replenishing rubber plug from the looper compartment 2 Replenish grease by means of a tip of screw driver or the like Use JUKI GREASE A...

Page 13: ...1 5 1 Threading 5 PREPARATION BEFORE SEWING MO 6814 MO 6804 WARNING Follow the procedures for threading Wrong threading can cause stitching troubles such as thread breakage stitch skipping and puckeri...

Page 14: ...12 MO 6814 44H MO 6816...

Page 15: ...13 MO 6816 50H MO 6816 60H...

Page 16: ...t No controls thread 2 Tension adjusting nut No controls thread 3 Tension adjusting nut No controls thread 4 Tension adjusting nut No controls thread 5 Tension adjusting nut No controls thread 5 2 Adj...

Page 17: ...less thread amount while sewing 1 Please use the needle DC 27 or the equivalents 2 Loosen the screw and take off the needle 3 Fully insert the new needle into the needle clamp hole with the needle rec...

Page 18: ...When you want to move the lever only slight ly use differential feed minute adjust screw 3 After the adjustment securely tighten differential feed adjusting nut 5 5 Adjusting the differential feed ra...

Page 19: ...ead exactly and then tighten the screw 2 Replace the lower knife 1 Loosen the screw and move the lower knife holder to the left Then tighten the screw a little 2 Loosen the screw Take off the lower kn...

Page 20: ...plate appropriately 1 Loosen four screws Open top cover and detach it 2 Loosen the screw and move the needle bar to the desired height Then tighten the screw 3 Close top cover Tighten four screws Aft...

Page 21: ...lso the bottom of the presser foot can stand on the throat plate flatly and then tighten the screw 3 Loosen the screw and move left and right so that can match and can move upward and downward smoothl...

Page 22: ...presser foot from the throat plate surface The lift of the presser foot differs with the model Adjust the lift of the presser foot according to the model re ferring to the table shown below Then adjus...

Page 23: ...to 0 35 mm The height can be adjusted by loosening the screw 0 9 to 1 1 mm 0 3 to 0 5 mm 1 Turn the pulley to rise the feed dog the highest point 2 Loosen the screw and move the main feed dog up and d...

Page 24: ...the needle to 0 01 to 0 1 mm when the lower looper moves to the right toward the center line of the needle for the 2 needle models the left needle is used as the reference When the upper looper moves...

Page 25: ...ine of the needle should be 1 4 to 1 9 mm 50H 60H 1 6 to 2 3 mm 5 The relationship between the needle and the needle guard 0 1 to 0 2 mm Light contact 1 4 to 1 9 mm Adjust so that the clearance of 0 0...

Page 26: ...ible personal injury due to abrupt start of the machine be sure to start the following work after turning the power off and ascertaining that the motor is at rest 1 Open rear cover of the sewing machi...

Page 27: ...of the needle bar between the upper and lower positions when the sewing machine stops Dot B lights up The needle bar stops at its upper position Dot B goes out The needle bar stops at its lower positi...

Page 28: ...comparison table Actual shape of figure 0 1 2 3 4 5 6 7 8 9 Display Actual shape of figure A B C D E F G H I J K L M Display Actual shape of figure N O P Q R S T U V W X Y Z Display Arabian figures Ar...

Page 29: ...h Functions can be selected and set as de scribed below 2 When you want to change the function setting num ber change it by pressing and 3 When you press after you have changed the function setting nu...

Page 30: ...r more the interval of time be tween two consecutive thread trimming operations set for this function setting number P13 is to be used 30 990 50 P15 Presser foot lifting protec tion time This function...

Page 31: ...5 is selected for P22 the suction 2 is kept in the operating state for the period of time set for this function setting number P25 when the sewing machine carries out sewing The suction 2 carries out...

Page 32: ...ontrol suc tion 2 In the case 6 is selected for P22 the suction 2 is kept in the operating state for the number of stitches set for this function setting number P33 during sewing The suction 2 carries...

Page 33: ...ift 1 6500 6000 10 MO 6816S FH6 60H Extra high lift 2 6000 5500 11 MO 6816S DE4 30H E35 General 0 7000 6500 12 MO 6843S 1D6 40H General 0 7000 6500 13 MO 6804D 0E4 30H General 0 7000 6500 14 MO 6814D...

Page 34: ...on is not specified regardless of ON OFF of the display B dot In the case 6 Intermittent suction controlled by the number of stitches is selected for the function setting number P17 Pedal control suct...

Page 35: ...osition selection 6 Intermittent suction controlled by the number of stitches cannot be set Selection of the manual thread trimming function Function setting No P12 and No P28 This selection is enable...

Page 36: ...isplay the initialization screen all of the set values can be initialized to those you have stored in memory as described in 6 3 Function setting p 27 by pressing on the initial ization screen In the...

Page 37: ...light adjustment function Brightness color temperature changing method is as shown in the tables given below Values in the table only provide reference data that helps clarify the explanation If you...

Page 38: ...st or the like enters the USB connector a failure can be caused Insertion position of the USB thumb drive WARNING The device to be connected to the USB port should have the rated current value or less...

Page 39: ...hs 1 Change the oil in the oil pan with new oil WARNING 1 Turn off the power switch before carrying out cleaning The machine may operate if the treadle is pressed incautiously which could result in in...

Page 40: ...ascertained in prior to the actuation of the machine that no screws are loosened and no components come in contact with one another Model A C A 04 14 16 B A 0 05 to 0 2 mm D D E E G F A B C D E F G M...

Page 41: ...at the motor is at rest 1 Position of the needle thread take up and the needle thread guide MO 6804 MO 6814 6mm B A C B MO 6816 A C 5 5mm D 7 5mm MO 6814 MO 6816 A B C A B C D Excluding 30P 60H 6 5 6...

Page 42: ...16 50H 33 5 10 5 20 28 5 9 MO 6816 60H 33 5 10 5 20 38 9 MO 6816 30P 21 5 10 5 28 35 15 1 to 2 mm 2 Position of the looper thread take up and the looper thread guide Unit mm 3 Adjustment value of the...

Page 43: ...oltage drops below 170 V E03 Communication fault between the operation panel and the electrical box E05 Pedal signal fault E07 Lock error This error is automatically reset when the pulley is turned E0...

Page 44: ...42 1200 Unit mm Difference 2 10 TABLE DRAWING Black scale marker line A A B B...

Page 45: ...60 51 5 590 28 0 23 0 255 355 613 773 1200 1020 0 60 130 150 190 303 470 550 830 19 5 0 77 185 420 301 R40 R20 R40 R20 R20 R40 2 2 47 4 R10 10 9 R20 355 45 4 4 10 10 40 3 5 25 5 5 13 205 435 525 R10 3...

Page 46: ...44 Auxiliary table for fully sunken type table Unit mm Difference 2 Weight 4 25 kg 5...

Page 47: ...159 235 255 370 289 365 335 515 77 200 0 318 420 60 0 218 325 150 130 303 435 470 370 525 820 170 0 230 125 280 355 775 1200 1020 2 2 613 590 40 3 45 19 5 4 25 5 4 13 10 4 4 10 3 R10 R 1 0 4 R10 3 R2...

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