artisan 1798-1 AZ Instruction Manual Download Page 31

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Fig.

No.

Part No.

Description

Pcs.

Remarks

G01

HA100I2150

Felt pouch

G02

HA305I0661

Oil return pipe

3×650

G03

HA300I2060

Pipe holder

G04

HA100H2150

Screw

SM9/64″×40

G05

H2104J0065

Oil braid fitting plate

G06

H5604G0065

Oil pipe for arm shaft

G07

HA707L0065

Oil pipe for hook shaft

G08

H6006I8001

Oil pump body

G09

HA100I2090

Screw

G10

H6010I8001

Oil pump impeller

G11

H6011I8001

Impeller slide

G12

H6012I8001

Oil pump fitting plate

G13

HA111I0065

Oil pump screen complete

G14

H6021I8001

Oil adjusting plate

G15

HA100I2050

Spring washer

G16

HA300I2050

Screw

─ 29 ─

G.OIL LUBRICATION MECHANISM

Summary of Contents for 1798-1 AZ

Page 1: ...Direct Drive Heavy Duty Top And Bottom Feed Lockstitch Sewing Machine 1798 1 AZ Instruction Manual Parts Catalog artisan Sewing Supplies LLC San Francisco CA USA 94103 artisan ...

Page 2: ... WIND THE IOWER THREAD ON THE BOBBIN 8 13 TIME NEEDLE TO ROTAING HOOK 9 14 REPLACE ROTATING HOOK 10 15 ADJUST OPENING TIME OF THE TENSION DISCS 10 16 ADJUST THE HEIGHT OF FEED DOG 10 17 ADJUSTMENT OF FEED DOG INCLINATION 11 18 TIME FEED MOTION TO NEEDLE MOTION 11 19 PERIODICAL CLEANING 12 PARTS CATALOG A ARM BED AND IT S ACCESSORIES 13 B NEEDLE BAR AND TAKE UP LEVER ARM SHAFT MECHANISM 16 C STITCH...

Page 3: ...ration 1 If the machine s oil pan has an oil sump never operate the machine before filling it 2 If the machine is lubricated by drop oil never operate the machine before lubricating 3 When a new sewing machine is first turned on verify the rotational direction of the pulley with the power on The pulley should rotate counterclockwise when viewed from the pulley 4 Verify the voltage and single or th...

Page 4: ... If oil level goes down under line B oil cannot be distributed to each part of the machine thus causing the parts a seizure 2 Replenishing Always use only No 18 special machine oil for high speed sewing Be sure to replenish oil to Line A before starting operation 3 Replacing oil To replace oil remove Screw C to drain oil After completely draining off oil clean the oil reservoir and securely tighte...

Page 5: ...wing speed and the like In practice oil amount can be judged as follows remove the throat plate and place a piece of paper on instead run the machine for about 20 seconds then check the oil splashed on the paper 4 PREPARETION BEFORE START TO OPERATE Adjustment of needle bar stop position Adjust of UP position When the pedal is kicked down by heel the machine stops at UP position If the marks devia...

Page 6: ...polyester threads it may be avoided by fitting the needle with the long groove Shifted to the front side 6 THREADING Raise the thread take up lever to its highest position and thread the upper thread in the following order When draw the bobbin thread hold the end of the needle thread and turn the balance wheel Needle bar to the lowest position and then lift it to its highest position Pull the need...

Page 7: ...e Stitch compensation button is pressed lightly during sewing Stitch compensation sewing can be done When the button is released Stitch compensation sewing is end 8 POSITION PRESSER BAR 1 Loosen lock Nut E and Pressure Regulating Thumb Screw A 2 Remove rubber plug from Face Plate B 3 Loosen Screw C and adjust the position of Presser Bar D till the presser foot is 6 mm above the throat plate the pr...

Page 8: ... stud counter clockwise to decrease the spring tension After the adjustment be sure to tighten Set Screw A The thread take up spring tension should be about 30g To attain this First loosen Set Screw A turn Tension Stud B counter clockwise to decrease the tension of Thread Take up Spring C to zero then turn Tension Stud B clockwise until Spring C comes to the notch of thread tension regulating bush...

Page 9: ...read 2 Adjusting of thread tension 3 Adjusting of upper thread tension 1 Upper thread tension can be adjusted by thread tension nut 2 Upper thread is to be adjusted according to the lower thread tension 3 For special fabric sewing with special thread the desired tension can be obtained by adjusting the strength and operating range of thread take up spring 4 Adjusting of lower thread tension 1 Lowe...

Page 10: ...hown in the figure and wind the end of the thread clockwise around the bobbin several times then wind the thread on the thread adjuster side counter clock wise several times 3 Press lever in the direction of the arrow and start the sewing machine 4 The operation will automatically stop when winding is completed 5 Adjustment of thread winding strength Adjust with the thread adjuster nut 6 Adjustmen...

Page 11: ...Needle Bar Bushing D and meanwhile align the Inner Surface G of the hook and the center of Needle Eye F when the needle bar gets down to its lowest position B Adjusting the hook point timing Timing of needle motion to rotating hook motion has a great effect on sewing performance The standard hook point timing is to align Hook Point D and Needle Centerline C when Needle Bar B is lifted by 2 2mm fro...

Page 12: ...presser foot lift range of 2 7mm opening time of the tension discs can be adjusted as follows 1 Remove the rubber plug from the back of arm and loosen Screw A of knee lifter lever left 2 Move the tension releasing cam leftward for earlier opening or rightward for later opening It will facilitate the adjustment to put under the presser foot a block as thick as the presser foot lift 3 After the adju...

Page 13: ...to be sewn as follows 1 Loosen the screw A 2 Rotate the eccentric shaft clockwise or counterclockwise with screw driver 3 Tighten the screw A 18 TIME FEED MOTION TO NEEDLE MOTION The standard timing of feed motion to needle motion is that the top of feed Dog C is flush with Throat Plate Surface B when the point of Needle A reaches Throat Plate Surface B ...

Page 14: ...RIODICAL CLEANING A Machine 1 Remove the throat plate and clean the feed dog 2 Assembling is to be made by screwing in the screw by 2 to 3rotations by hand at first then tightening them evenly by use of a long size screw driver 3 Lay down the machine head and clean the hook and inner bobbin case B Maintenance of motor Remove dust from the motor cover every one or two month If operation is continue...

Page 15: ...A ARM BED AND IT S ACCESSORIES 13 ...

Page 16: ...71 Check window 1 A21 HA710B0671 Nut 1 A22 H6739B8001 Thread tension spring 1 A23 HA310B0705 Thread tension disc 4 A24 H6735B8001 Thread tension stud 1 SM15 64 28 A25 H6736B8001 Thread guide 1 A26 H6737B8001 Spacer 1 A27 H6030B8001 Rubber plug φ22 1 A28 HDK6138001 Integrally motor cover 1 A29 HA300B2100 Rubber plug φ27 1 A30 HA100B2220 Leg 3 A31 HA100B2110 Set screw 1 SM11 64 40 A32 H6762B8001 Scr...

Page 17: ...hread tension regulating bushing 1 A52 HA505B0672 Thread take up spring 1 A53 HA115B0701 Screw type tension stud 1 A54 HA115B0709 Thread tension releasing pin 1 A55 HA310B0702 Thread tension releasing disc 1 A56 HA505B0671 Thread tension spring 1 A57 HA115B7010 Stop disc 1 A58 HA310B0701 Oil thumb nut 1 A59 HZ11050200 Screw 3 A60 H6409B8001 Arm bed cover left 1 A61 H6410B8001 Gasket for arm bed co...

Page 18: ...B NEEDLE BAR AND TAKE UP LEVER ARM SHAFT MECHANISM 16 ...

Page 19: ...20 HA100C2060 Set screw 1 SM9 32 28 B21 HA100C2020 Set screw 1 SM15 64 28 B22 HA104C0653 Hinge pin 1 B23 H11111C104 Therad take up lever 1 B24 HA100C2070 Set screw 1 SM9 32 28 B25 HA307C0661 Needle bar crank 1 B26 HA104D0652 Rubber plug Ф7 4 10 1 Φ7 4 10 B27 HA100D2030 Arm shaft bushing left 1 B28 HDD6058001 Arm shaft 1 B29 H5349B8001 Set screw 2 SM11 64 40 B30 HA100C2020 Set screw 1 SM15 64 28 B3...

Page 20: ...E0651 Hook shaft 1 B56 HA305E0662 Set screw 2 SM15 64 28 B57 HA305E0661 Collar for hook shaft 1 B58 HA311E0671 Hook shaft bushing right 1 B59 HA110E0672 Oil pipe for hook shaft bushing 1 B60 HA300E2100 Plunger 1 B61 HA608E0067 Bobbin case 1 B62 HA600E2060 Bobbin 1 B63 H1105E0065 Rotating hook complete 1 B64 HA1111E104 Filter screw 1 B65 HA1111E204 Filter 1 B66 HA106E0071 Oil seal for rotating hook...

Page 21: ...C STITCH REGULATOR MECHANISM 19 ...

Page 22: ...2080 Stopper pin 1 C14 HA720F0687 Coil spring 1 C15 HA720F0683 Stopper pin releasing lever 1 C16 HA7421F120 Dial 1 C17 HM308F8001 Plate for stitch length 1 C18 HA720F0685 Bushing 1 C19 HA720F0686 Screw 1 C20 HA115F0692 Spring 1 C21 H2605E0661 Reverse feed crank 1 C22 HM306F8001 Slide block pin 1 C23 HDF6088001 Reverse feed lever shaft 1 C24 HA113F3022 O ring 1 C25 HA100F2110 Washer 1 C26 HA104F065...

Page 23: ...D FEEDING AND FEED LIFTING MECHANISM 21 ...

Page 24: ...Set screw 1 SM15 64 28 D17 HA108G0661 Collar 1 D18 HA300G2050 Feed rock shaft 1 D19 H2100G2040 Hinge pin 1 D20 HA104F0654 screw 1 D21 HA100G2070 Hinge pin 1 SM15 64 28 10 D22 HA104G0012 Screw 2 D23 HA306G0671 Feed lifting rock shaft crank right 1 D24 H2100G2070 1 D25 HA200G2020 Feed lifting rock shaft 1 D26 HA100G2130 Washer 1 D27 H007009150 C type stop ring 1 D28 HA100C2020 Set screw 1 SM15 64 28...

Page 25: ...E PRESSER FOOT MECHANISM 23 ...

Page 26: ...1 E12 H2000I2010 Presser bar 1 E13 HA300H2090 Presser bar bushing 1 E14 H3800H2020 Presser loot complete 1 E15 H2000I2050 Set screw 1 SM9 64 40 E16 HA100C2190 Screw 1 SM11 64 40 E17 HA300H2120 Upper thread guide 1 E18 HA107H1011 Knee lifter lever left 1 E19 HA305H6611 Tension releasing cam 1 E20 HA100H2050 Bolt 1 E21 HA100H2060 Tension releasing pin 1 E22 HA107H0663 Knee lifter rod 1 E23 HA100H205...

Page 27: ...F PRESSER LIFTING FEEDING MECHANISM 25 ...

Page 28: ...er spring guide pin 1 F20 H2100I2190 Lifting presser spring 1 F21 H2007J0066 Presser spring guide 1 F22 H2004J0662 Screw 1 F23 H2004J0653 Screw 2 F24 H2100I2130 Presser feed crank link 1 F25 H2100I2020 Presser feed crank 1 F26 H0030020608 Nut 1 M6 0 75 F27 H2013J0065 Washer 1 F28 H007009250 C type stop ring 1 F29 H2013N0067 Presser crank connecting nut 1 F30 H2013J0065 Washer 1 F31 HA100B2110 Scre...

Page 29: ...I0065 Lifting presser sway crank shaft compl 1 F51 H2008N0066 Lock nut 1 F52 H2004J0654 Presser rod 1 F53 H2000I2050 Screw 3 F54 H2004J0658 Lifting presser guide plate 1 F55 H2010J0066 Lifting presser adjusting nut 1 F56 HA111G0683 Screw 2 F57 H2000N0030 Lifting presser rod plate 1 F58 H2000N0040 Space for presser rod plate 2 F59 H2000N0010 Out presser 1 F60 H609030080 Pin 2 F61 H6017F8001 Screw 1...

Page 30: ...G OIL LUBRICATION MECHANISM 28 ...

Page 31: ... 1 G06 H5604G0065 Oil pipe for arm shaft 1 G07 HA707L0065 Oil pipe for hook shaft 1 G08 H6006I8001 Oil pump body 1 G09 HA100I2090 Screw 3 G10 H6010I8001 Oil pump impeller 1 G11 H6011I8001 Impeller slide 1 G12 H6012I8001 Oil pump fitting plate 1 G13 HA111I0065 Oil pump screen complete 1 G14 H6021I8001 Oil adjusting plate 1 G15 HA100I2050 Spring washer 1 G16 HA300I2050 Screw 3 29 G OIL LUBRICATION M...

Page 32: ...H MOTOR MECHANISM 30 ...

Page 33: ...lder 1 H06 HY92L68001 Holder 1 H07 H431060080 Set screw 2 H08 HA100D2060 Oil seal 1 H09 HDK6078001 Axis connector 4 H10 HDK6068001 Connect block 1 H11 HY92L48001 Ring 1 H12 HY92L18001 Oil pad 1 H13 HDK6088001 Motor connector 1 H14 H415050300 Screw 1 H15 HDK6118001 Motor 1 H16 HY90L87101 Pulley of the components 1 H17 H431050060 Screw 1 H18 H428050080 Set screw 1 31 H MOTOR MECHANISM ...

Page 34: ...I ACCESSORIES 32 ...

Page 35: ...104J0655 Gasket for oil reservoir big 1 I17 H007013090 E type ring 1 I18 HA106J0661 Knee lifter lifting rod 1 I19 HA104J0654 Gasket for oil reservoir small 1 I20 HA104J0652 Oil drain screw 1 I21 HA104J0653 Washer 1 I22 HA300J2160 Hinge pin for knee lifter 1 I23 HA106J0663 Joint for knee lifter bell crank 1 I24 HA106J0664 Set screw 2 SM5 16 18 I25 HA106J0662 Knee lifter bell crank 1 I26 HA106J0667 ...

Page 36: ...The description covered in this manual is subject to change for improvement of the commodity without notice 2012 11 Printed ...

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