Brother International CB3-B917 Support Question
Brother International CB3-B917 Support Question
Find answers below for this question about Brother International CB3-B917.Need a Brother International CB3-B917 manual? We have 2 online manuals for this item!
Question posted by rarebirdhandbags on April 25th, 2014
Brother Presser Arm
press arm does not lift after sewing button on what could be the problem
Current Answers
Related Brother International CB3-B917 Manual Pages
Service Manual - Page 2
...done. (For example, the symbol at left means "you must make the ground connection".)
CB3-B916A/B917A
i Safety indications and their meanings
This service manual and the indications and symbols...triangle indicates the nature of this product, please contact a Brother dealer.
This symbol ( ) indicates something that are used on the machine itself are given below and the whole of . This ...
Service Manual - Page 3
...the rated voltage for the machine.
Furthermore, do not get caught in such a way so that they can result.
ii
CB3-B916A/B917A Insufficient power supply ... problems with correct operation may cause problems with correct operation. Contact your Brother dealer or a qualified electrician for the sewing machine's electrical consumption. Be sure to direct sunlight may cause problems ...
Service Manual - Page 4
... the machine will immediately start operating, which could result in safe use beforehand.
iii If the needle is depressed by Brother. The sewing machine should be extremely careful to be left on , the machine will keep turning even after the
power is switched off as a result of the moving parts or press any applications other than sewing.
Service Manual - Page 5
Please follow the instructions on the sewing machine. If the labels have been removed or are difficult to read, please contact your nearest Brother dealer.
1
2
3
Safety devices: Eye ...receiving a
serious electric shock, and problems with correct operation
may also occur.
5
Direction of pulley
Pulley cover
(Seen from above work table)
CB3-B916A/B917A Warning labels
The following...
Service Manual - Page 14
... driving connecting rod
Button clamp driving lever
Clutch shaft
4 5
Clutch 3
Operating lever pawl 6. Button clamp lift (machine stop)
127s
2 Clutch lever 1.
Button clamp descent (sewing start)
Button clamp lifter
arm Button clamp regulating
plate Button clamp arm
assembly
Spring Button clamp lifter 7 connecting rod
9
10
Button clamp presser spring
1. Button clamp mechanism...
Service Manual - Page 15
... X-Tension discs close
9
CB3-B916A/B917A Tension release mechanism
Thread tension (Tightens on final stitch only)
Auxiliary tension (Opens at each stitch) Main tension (Thread
tension is always kept.)
Disconnects 131s
Slider
Rocking
132s
Needle bar drive lever
Slider
Final stitch (B916A : non)
During machine Machine stop operation
133s
Machine stopped Sewing
Final stitch B917A...
Service Manual - Page 16
...
202s
CB3-B916A/B917A
10
Use only the proper replacement parts as a result of the motor's inertia. Button tray
4. Furthermore, do not get into your eyes or onto your skin, otherwise inflammation can cause vomiting and diarrhoea. Keep the oil out of the reach of the sewing machine should only be covered by Brother.
Any problems...
Service Manual - Page 21
...torque will not be excessive.
303s
Mark
15
CB3-B916A/B917A Turn off as they operate correctly ...8226; When replacing consumable parts such as specified by Brother. Furthermore, do not get into your eyes or ...sewing machine should only be left on part A of the needle bar drive lever . Line up and be covered by a qualified technician.
Any problems in machine...Press the set collar .
2.
Service Manual - Page 25
...until the clearance between the loop spreader and the needle is extended farthest outward.
10. Contact lightly
19
321s
CB3-B916A/B917A Looper
Reference
Reference a line
b line
2 mm
316s
Thinner part
1. to the roller and to... spreader base on the left side, install to the
3. Tilt the sewing machine downward.
9. Move the loop spreader groove cam back and forth to the triangular cam .
6.
Service Manual - Page 28
...
A
0.5 - 1 mm
335s
20. Install the movable knife to the loop spreader .
332s
19. Fit the connecting rod pin to the stop cam to move the sewing machine to the movable knife . 22.Loosen nut and adjust, by turning the connecting lever
, so that the edge of the fixed knife is 0.5 - 1.0 mm from...
Service Manual - Page 29
... the needle plate to the feed bracket
337s 338s
25. to the frame.
24. Attach the needle.
29. Temporarily attach the feed plate . Put the sewing machine in the stop cam and adjust the feed plate so that the needle will pass through at the four corners of the square hole of...
Service Manual - Page 31
... the nut and adjust the screw so that there is 10 - 20 mm.
3. Attach the ball presser plate to spring hangers and .
344s Apply grease
4. With the sewing machine in the thrust direction of the pulley . 7. 3. Tilt the sewing machine downward
2. Attach the clutch tension spring to the clutch .
345s
8. ASSEMBLY AND ADJUSTMENT
3-5. Clutch
10...
Service Manual - Page 32
...ADJUSTMENT 1. For B917A
When the sewing machine is stopped and the button clamp is lifted, loosen set screw to adjust so that the end of the slider B is lifted, loosen set screw to adjust...and rotate the eccentric shaft , and rotate the eccentric shaft
CB3-B916A/B917A
26 Cover
347s
3. For B916A
When the sewing machine is stopped and the button clamp is aligned with take -in B of the top...
Service Manual - Page 34
...
403s
404s
Worm gear
Number of the sewing machine should only be extremely careful to the machine will keep turning even after the
power is switched off the power switch at the following times, otherwise the machine may operate if the pedal is depressed by Brother.
Any problems in machine operation which could result in numerical order...
Service Manual - Page 36
... should align with the
cam positioning pin . Backlash becomes smaller 424s
CB3-B916A/B917A
30 Insert the clutch shaft , fit the button clamp driving lever and the number of stitches control lever , and
... of feed cams and with the cam
positioning pin when the stop position. Move the sewing machine to the screw flat of the rotating hook shaft face straight down at the side
of...
Service Manual - Page 37
...clutch shaft . Adjust the number of stitches adjustment cam so that the clearance between the button clamp driving fork and the driving link , and between it and the pawl
.
... .
419s
31
CB3-B916A/B917A Attach the spring .
17.
Raise the sewing machine.
13. REPLACEMENT OF PARTS
1 mm
1 mm
416s
417s
0.5 mm
418s
10. 4. Loosen the screw and adjust the button clamp driving lever ...
Service Manual - Page 38
... while referring to section Adjustment of the clutch pressed, start the sewing machine by tightening the set screw on the bottom side of the driving rod claw are aligned. Then
move the button clamp driving lever to the clutch . 27. Attach the needle and installation bolt.
427s
CB3-B916A/B917A
32 Fit the pulley return...
Service Manual - Page 39
... pry
431s
432s 1. Install the pulley return spring , the steel ball 7/32 , the pulley , the steel ball 5/16 , and the belt , and install the ball presser plate to the clutch .
5. Attach the installation bolt.
427s
33
CB3-B916A/B917A Raise the sewing machine. 6. Attach the clutch tension spring .
4.
Service Manual - Page 41
...mm.
35
CB3-B916A/B917A
When the loop spreader has been advanced to its lowest position by Brother. Use ...specified by rotating the pulley. ADJUSTMENT
CAUTION
Assembly and adjustment of the sewing machine should be 0.03 - 0.08 mm.
5-6.Fixed knife
Needle guard
..., otherwise inflammation can cause vomiting and diarrhoea.
Any problems in injury. * The motor will keep turning even...
Service Manual - Page 43
... depressed to lift the button clamp, the slider B side should be adjusted so that the slider B edge and take -in C are aligned.
be 0.8 mm.
5-14.Slider
< With the sewing machine in the stop condition >
Take-in B
Take-in A
Eccentric shaft
Set screw
Slider B
349s Slider B
350s
351s
B917A
B916A
B917A
When the presser lifter pedal...
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