Pfaff hobbylock 786 Support Question
Pfaff hobbylock 786 Support Question
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Question posted by pgp37615 on July 1st, 2021
Why Does My Serger Seize Up When Sitting Idol For Few Months
most of my sewing is quilt making with a sewing machine, but occasionally I need to use my Seeger, but it is seized up. Can you tell what might be causing that? I purchased it used and it serges great when it works. I use quality oil, but wondered if the former owner maybe didn't. My husband is a mechanic and can fix most anything. He has disassembled and cleaned and oiled, but it takes a few hours to do it. If there is a solution to the problem, I would appreciate the info. Thanks so much.
Current Answers
Answer #1: Posted by SonuKumar on July 4th, 2021 2:23 AM
SonuKumar
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May 9th, 2021 Points: 16,615,400
Member since:
May 9th, 2021 Points: 16,615,400
https://www.manualslib.com/products/Pfaff-Hobbylock-786-3028108.html
https://www.youtube.com/watch?v=Eha25W77BP4
https://www.youtube.com/watch?v=YJmTbAb8-YU
https://www.youtube.com/watch?v=2CXhlZn2DFM
Why is my serger stuck?
Try disengaging the knife and running it. If it still jams something is probably wrong in the threading. If it runs ok make sure the knife is back in the right spot. It's really easy to put the knife back in place and think it's right and it's just a tiny bit off and everything goes wrong
Who makes Hobbylock Sergers?
Pfaff Hobbylock
The Pfaff Hobbylock 2.5 Serger is sturdy and easy to use. No need to worry about thread tension. The Hobbylock overlock machine has an Automatic Tension Dial, which sets the thread tension when selecting any of the 15 stitches - just start sewing.
Why does my serger keep Unthreading?
If the tension on the top thread is too high or low the machine can often keep unthreading. Make sure the thread has the correct tension and if your stitches are loose you should probably try to tighten the thread a bit. ... If you are using a wrong size spool the thread might jump out of the needle continuously.
How do you service a serger?
Serger Maintenance
Gather a few tools to help the process go quickly and smoothly. ...
For deep cleaning, unthread the machine and remove the presser foot and needles. ...
Using a soft brush, such as a paint brush, lint brush or make-up brush, clean the lower area of the serger. ...
Use a pipe cleaner for hard-to-reach areas.
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
Your search handyman for all e-support needs!!
Answer #2: Posted by INIMITABLE on July 1st, 2021 4:34 PM
INIMITABLE
Member since:
April 3rd, 2020 Points: 2,071,740
Member since:
April 3rd, 2020 Points: 2,071,740
Dirt and dust, as well as lint inside the machine, leads to freezing. Sometimes issues with bobbin and hook assembly can also cause freezing of the sewing machine. Once the machine is frozen, you will not be able to move the handwheel and continue with the sewing.
I hope this is helpful? PLEASE "ACCEPT" and mark it "HELPFUL" to complement my little effort. Hope to bring you more detailed answers
-INIMITABLE
Related Pfaff hobbylock 786 Manual Pages
Owner's Manual - Page 2
Notes on safety
A) aatoOhvrfeweotaihidunecsgioenntrnjoeutmeirntydhuuleaseotnsuudtspaalnykoadebnwsdstehhuridelfvefoeiuwcspietnehpwneemitrnscgoeka.vwnreieifmnegt,eont
B) When leaving the machine,
changing parts or machine must never be
accessories, disconnected
the
from the power source.
wattage
of
D)
The drive belt must be by anyone but an authorized agent. adjusted Pfaff C)
...
Owner's Manual - Page 4
... change on hobbylock 784 and 786 Adjusting the differential feed (hobbyfock 786) . . Disengaging the upper knife Adjusting the seam width Changing the sewing foot Changing ...thread overedge seam Thread chart Adjusting the stitch length on threaded machine Inserting the lint box Seam allowance Sewing test Points to observe during sewing Securing the seam Axial blocking of the cardboard box
2. 3...
Owner's Manual - Page 5
... the sewing machine
1 Thread spool stand 2 Carrying handle 3 Left needle thread tension dial 4 Right needle thread tension dial 5 Right looper thread tension dial 6 Left looper thread tension dial 7 Thread tension cover 8 Lint box 9 Handwheel 10 Looper cover with recess 11 Upper knife 12 Work support (swivel-type) 13 Needle plate 14 Sewing foot...
Owner's Manual - Page 6
...
disconnect the plug from the power source. Caution: When the machine is not in the machine socket. Switching the machine ON and OFF Power and sewing light are switched on a special sewing table. Machine and sewing light are switched on
and off : Press switch again. Electrical connection Use this machine only on a flat surface or on . Switching off simultaneously...
Owner's Manual - Page 7
C) The maximum approved wattage of the Hobbylock is 15 watts. Electronic foot control
Maximum speed can be adjusted by the switch on safety A) Owing to the up and down , the faster the machine will sew.
D) The drive belt must never be pre-selected in two steps by anyone but an authorized Pfaff agent.
5 Foot...
Owner's Manual - Page 9
To open work support 12, push it to the machine behind the carrying handle
The machine must be pulled up until it locks. To close the looper cover, push it up
(Fig. left . For threading the guides oehind carrying
handle 2, the ...
Owner's Manual - Page 10
... the looper eye (the thread path is described on page 17.
If'
5,
/2 /
8
1
5
H
6
8 Threading the right looper: Thread the right looper in sequence 1 to obtain perfect sewing results, the thread must be pulled between the tension discs when threading the tensions. The 3-thread overedge seam is marked red).
21
-
3
4
-
75
-
4-thread overedge...
Owner's Manual - Page 12
... the right needle (6>. Pull about 15 cm past the looper eyes without interruption.
Tie the threads still in the machine and the new threads together. At point 5 the thread must be pulled until the knots are about 10 cm... needle
Threading of guide wires 18 and of the thread guide behind the carrying handle is shown on threaded machine Cut the threads close to the left needle (6>.
Owner's Manual - Page 13
I
Seam allowance
If the cutting is guided along below
1 the lint box, use the
I -J
/
/
Inserting the lint box:
downwards the cover.
Then push the bottom of the box against the machine.
I
After threading the machine, push handle
2 down, and close work support 12 and
- looper cover 10.
Owner's Manual - Page 14
... indicated by the
arrow on the wheel. I
I
'N
I
I
/
/ .
/
--
-
.
.
Insert test fabric up to the upper knife and lower the sewing foot. Make sure that threads have interlocked correctly.
12
Lay the threads back under the sewing foot. -
-
'I
\\
Hold thread ends with your left hand while turning hand wheel with your right
hand in the...
Owner's Manual - Page 15
Since the fabric is fed automatically, do
4
not pull or push the fabric.
Sew approximately 5 cm beyond the end a scissors to sew. (Also after the machine has been rethreaded.)
Sew the first stitches slowly.
Use your
hand for guiding only. Points to observe during sewing
Place the fabric completely under the sewing foot when starting to cut
Owner's Manual - Page 16
... sewing extremely thick fabrics or workpieces with different thicknesses:
On this machine, all kinds of fabric from extremely thin to pull the thread chain into the seam.
Blocking the upper knife
Sewing ... the end of the upper knife must be used to extremely thick can move axially.
14 Securing the seam:
Knot the thread chain. Note:
When sewing thin or medium fabrics, the screw of the...
Owner's Manual - Page 21
... wave effect is possible to 2, also during sewing. Set the diffe rential feed according to the material you wish to heavy elastic fabrics are possible: Setting 0.5 = Short stroke of front feed
dog, long stroke of 0.5 when medium to process (see table on the hobbylock 786 The differential feed prevents inter-ply shift. Adjusting...
Owner's Manual - Page 22
In order to make sure about the setting required for the fabric you wish to process, a sewing test has to - Setting of the differential feed. The differential feed can also be made.
N
1
Correct seam
a
Fabric
Nylon, tricot, ...stitch goods
Fig. 1
C
Fig. 2
Fig. 3 20
Fig. 4 This table indicates possible settings of differential feed
Illustration
0.5 to be set during sewing.
Owner's Manual - Page 23
Open work support 12 and looper cover 10. If necessary, loosen screw 38 for blocking the upper knife, see page 14,
Sew a test seam. The desired seam width is set with N (3.5 mm).
Now the upper knife is
marked with adjusting knob 26. Note: After adjusting the seam ...
Owner's Manual - Page 27
...
tensions
Threading path:
1. right looper, red path
2. 3,
left looper, yellow path needle thread, green path
For threading of the sewing machine:
Needle: Sewing foot: Seam width: Stitch length:
Thread:
reffperrnooomgmmlyaoegv31see..t00elrreottooflttlhe42rnd..e00eahedm(edsmlmh1eo2f0r(ot-does1ttp4i"et0cRnhf"doirlneggnrgeotehnn),mraetderiaanld)
yellow
thread
tensions
Threading path...
Owner's Manual - Page 28
... up into the needle holder as far as spare parts.
Remove the needle by pulling it will cause thread breakage and skipped stitches.
-,/y
- ___;_ .
\c;;-rI - I \\
Notes:
The following ... in hole M of the needle change tool from the needle. Lower the sewing foot.
Changing the knives
are used on these machines: System 130/705 H (75-90)
Although the correct needle size depends...
Owner's Manual - Page 32
...
______
Needle breakage
Cause
Needle bent or point damaged. Thread tension too tight, Needle not fully inserted. Incorrect needle used .
Incorrectly threaded....(page 26). Incorrect needle used .
Reduce thread tension (espe cially for easy operation, and there are no difficult adjustments to incorrect threading. Sewing problems and solutions
These machines have been developed for light...
Owner's Manual - Page 33
...*IIIiIlI,
Bfl
E
'1
Accessories 1 Screwdriver (big)
t
2 Screwdriver (small)
3 Lint brush
4 Tweezers
5 Upper knife 6 Thread unreeling disc
7 Needles 8 Sewing machine oil
I
9 Rolled hem sewing foot
10 Thread spool net
11 Needle change tool
I
Thread spool net
Very useful for
smaller thread spools. B.
31
Thread unreeling disc
The thread unreeling disc shown as shown in Fig.
Owner's Manual - Page 34
... Seam width Stitch length
Sewing foot Lubrication Sewing foot height Needle system Number of threads Dimensions Weight
Contents of cardboard box
1 machine with motor 1 foot control 1 instruction manual/guarantee certificate 1 lint box 1 thread spool stand 4 thread spool stand bars 1 thread guide 1 machine cover
1.300 stitches/mm. 3-7.2mm 1 -4 mm (HL-786) 1 -5 mm (HL-784) Hinged Manual...
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