manualshive.com logo in svg

Janome 3160QOV, Service Manual

Share
Download
Janome 3160QOV Service Manual Download Page 27

25

Driving motor

To remove:

1. Remove the front cover.

2. Remove the setscrews (2pcs.) and the driving motor and the belt.

To attach:

1. Install the driving motor and the motor belt. Tighten them with setscrews (2pcs.) lightly.

2. Move the motor up or down to adjust the motor belt tension.

The belt should deflect 5 mm when applying 200 grams of load to the middle of the belt.

Tighten the setscrews (2pcs.) firmly.

3. Attach the rear cover and the front cover.

Replacing the Electronic Components

200g pressure

5 mm

Setscrew

DC motor (unit)

Belt

Setscrew

Summary of Contents for 3160QOV

Page 1: ...SERVICE MANUAL MODEL 3160QOV First Edition 08 March 2019...

Page 2: ...k Timing 11 Adjustment of Needle Bar Height 12 Clearance between Needle and Tip of Hook Rotary 13 Feed Dog Height 14 Feed Dog Adjustment Only for model 3160QDC 15 Top Tension 16 Replacing the Electron...

Page 3: ...le and thread Use a HA x 11 blue tip needle See mechanical adjustment Needle bar height See mechanical adjustment Adjustment of hook timing See mechanical adjustment Clearance between needle and tip o...

Page 4: ...in thread 1 Bobbin holder is incorrectly threaded 2 Too much thread is wound on the bobbin 3 Lint is stuck inside the bobbin holder 4 Thread quality is too low 5 Thread is jamming around the bobbin ho...

Page 5: ...belt tension 4 Not enough oil 5 Upper shaft gear is loose Eliminate the backlash Eliminate the looseness See part removal and replacement driving motor DC motor Oil all moving parts Eliminate the loos...

Page 6: ...anging External Parts Face cover To remove 1 Loosen the setscrew q and lift the face cover to disengage the rib on the inside Remove the face cover w To attach 2 Follow the above procedures in reverse...

Page 7: ...5 Free arm cover To remove 1 Loosen the setscrew q and w Move the free arm cover to the left Remove the free arm cover To attach Follow the above procedures in reverse Changing External Parts q w e...

Page 8: ...etscrews A q 2 pcs 3 Remove the setscrews B w 5 pcs back cover e 4 Remove the setscrews C r 2 pcs 5 Disconnect all the connectors from the circuit board A NOTE Do not disconnect the connectors by pull...

Page 9: ...7 Changing External Parts Front cover 2 4 Disengage the front cover and rear cover hooks 5 Remove the front cover To attach Follow the above procedures in reverse...

Page 10: ...e cover and free arm cover See page 4 and 5 2 Remove the setscrews A q 4 pcs 3 Remove the setscrews B w 5 pcs and back cover 4 Remove the setscrews C e 2 pcs Remove the rear cover To attach 5 Follow t...

Page 11: ...feed dog below the needle plate Place a block 6 mm thick under the presser foot and lower the presser foot lifter w 3 Loosen the setscrew q Raise the presser foot lifter and tighten the setscrew q fi...

Page 12: ...ce between the needle and the edge of the needle hole in the needle plate should be at least 0 2 mm on either side If not adjust as follows 1 Turn the power switch off Remove the face cover See page 4...

Page 13: ...heel toward you to lower the needle at its lowest position 5 Loosen the hexagonal socket screw w 2 pcs 6 Move the needle bar 3 4 mm from the lowest position 7 Turn the lower shaft gear until the tip o...

Page 14: ...lect the pattern left position Set the zigzag width at 0 4 Turn the handwheel toward you until the tip of hook meets the right side of the needle 5 Loosen the hexagonal socket screw q 6 Move the needl...

Page 15: ...within 0 1 to 0 05 mm at the left and right needle position 5 Tighten the setscrew A 2 pcs 6 Attach the face cover Remove the master needle Attach the bobbin holder and needle pate 7 Check the clearan...

Page 16: ...highest position 3 Remove the free arm cover 4 Loosen the setscrew A q and nut w 5 Adjust the feed dog height by turning the adjusting screw e The highest position of the feed dog should be between 0...

Page 17: ...he feed dog should be parallel to the surface of the needle plate 4 Tighten the setscrew C left screw 5 Loosen the hexagonal socket screw and remove it The highest position of the feed dog should be p...

Page 18: ...ove limit adjust as follows 1 Set the tension dial Auto 2 Remove the cover 3 Lower the presser foot If the top tension is too loose turn the lead screw in the direction A If the top tension is too tig...

Page 19: ...d F Printed circuit board L q Printed circuit board P Black w Feed motor White e Thread cutter motor 3160QDC exclusive White r Bobbin winding switch Blue t Power switch White y Zigzag width motor Gree...

Page 20: ...rectly to the test you want to perform Enter self diagnostic mode then select the step number of the diagnostic test you require by pressing the start stop button To begin Turn on the switch if any of...

Page 21: ...pulled buzzer sounds and LCD displays BH symbol When the buttonhole lever is pushed buzzer sounds and LCD displays BH symbol LCD displays SC 04 When the bobbin winder spindle is moved to the left buz...

Page 22: ...xt step Bobbin symbol Buzzer does not sound Stitch width or length symbol does not appear REMEDY Replace the circuit board A Replace the circuit board P Zigzag motor does not get default position REME...

Page 23: ...right or left position LCD displays SC 10 Machine runs slow then fast and the needle bar stops at its highest position LCD displays SC 11 Press the needle up down position button to display on or of o...

Page 24: ...o page 19 21 and fix the defective part The defective part number See page 19 21 Steps and items section Turnthe power switch off when the self diagnostic test is finiished To display the version of t...

Page 25: ...he screws 6pcs and the circuit board A To attach 1 Follow the above procedures in reverse NOTE Do not disconnect the connectors by pulling on cord To disconnect grasp the connector not the cord Replac...

Page 26: ...tch button q within 2 5 seconds The LCD displays F A or d 3 Press the locking stitch button to select the appropriate setting of the circuit board A Model 3160QDC Press locking stitch button to select...

Page 27: ...r belt Tighten them with setscrews 2pcs lightly 2 Move the motor up or down to adjust the motor belt tension The belt should deflect 5 mm when applying 200 grams of load to the middle of the belt Tigh...

Page 28: ...the rear cover 2 Remove the setscrews A 3 pcs and the switching regulator 3 Remove the setscrews B 4 pcs To attach 4 Follow the above procedures in reverse Replacing the Electronic Components Switchin...

Page 29: ...sition 4 Attach the buttohole foot R e 5 Lower the buttonhole lever r to its lowest position and open a 1 6 mm gap between the slider and the buttonhole foot 6 Turn the adjusting screw t to the left u...

Reviews:

No comments

Brands by name

Popular brands

Load more brands