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Popular Brother International T-8750B Manual Pages
Instruction Manual - English - Page 2
... must make the ground connection".)
T-8420B, 8450B, 8720B, 8750B
i
Symbols
This symbol ( ) indicates something that are used on the machine itself are provided in the instruction manual. Safety indications and their meanings
This instruction manual and the indications and symbols that you should be caused by these parts. The picture inside the circle indicates the
nature...
Instruction Manual - English - Page 3
...devices. The ambient temperature should be secured in any moving parts. The machine may also occur.
If only one hand... your Brother dealer or a qualified electrician for the sewing machine's power consumption. Lightning may cause problems with correct... 8720B, 8750B The power supply capacity should be within the range of receiving a serious electric shock, and problems with correct...
Instruction Manual - English - Page 4
...danger that they cannot move.
If an error occurs in machine, or if abnormal ...Brother. Keep the oil out of the reach of the motor's inertia.
T-8420B, 8450B, 8720B, 8750B... problem, contact your nearest Brother dealer or a qualified technician.
Do not touch any of the moving parts or...a work . y When threading the needle y When replacing the bobbin and needle y When not using the machine ...
Instruction Manual - English - Page 5
... labels have been removed or are difficult to read, please contact your nearest Brother dealer.
1
2
Be sure to connect the ground. If the ground
connection is not secure, you run a high risk of
receiving a serious electric shock, and problems
with correct operation may also occur.
3
Direction of operation
Safety devices: (A) Finger guard...
Instruction Manual - English - Page 9
...
Select the correct motor pulley and V-belt by referring to the instruction manual for the motor for details on installing
and using the motor.
y Drill holes as the motor. &#...belt 46 45 45 44 44 43
3
T-8420B, 8450B, 8720B, 8750B Furthermore, do not excessively bend the cords or secure them too firmly ...any moving parts. TABLE AND MOTOR
A. Cotton stand hole
Ground wire hole
Head ...
Instruction Manual - English - Page 10
... installation is not secure, you run a high risk of the machine head may cause your hand to slip, and your Brother...used, the weight of receiving a serious electric shock, and problems with correct operation may be done.
Tilting back the machine head... with your right hand.
2871M
2872M
T-8420B, 8450B, 8720B, 8750B
4 4.
which could result in the illustration. * Make sure that...
Instruction Manual - English - Page 17
...oil gauge window (5), be sure to add more oil.
2978M
11
T-8420B, 8450B, 8720B, 8750B
Return the machine head to its original position.
* If the lubricating oil level drops below ...use is tilted back.
4. Be sure to use . Replace the rubber cap (1). 5. VG10) specified by Brother. * If this type of children. 4. INSTALLATION
4-2. Keep the oil out of the reach of lubricating...
Instruction Manual - English - Page 24
PREPARATION BEFORE SEWING
1. Insert the bobbin (1) into the rotary hook. 4. Thread the thread by BROTHER.
3126M
3127M
2999M
T-8420B, 8450B, 8720B, 8750B
18 Close the slide plates. There are three types of the rotary hook flat. 5. Insert the bobbin case (2) into the bobbin case (2) so that the
...
Instruction Manual - English - Page 34
... move the needle to p.11.)
2991M
1. Install the bobbin (and the bobbin case).
2930M
Use...test sewing.
2992M
T-8420B, 8450B, 8720B, 8750B
28 8. CLEANING
CAUTION
Turn off as they ...head may cause your hand to ensure a long service life. If only one hand is . 1. ...Brother. * If this machine and to slip, and your skin, otherwise inflammation can cause vomiting and diarrhea. Replace...
Instruction Manual - English - Page 35
...filled with oil, unscrew the oiler (1) and dispose of lubricating oil is applied.
VG10) specified by Brother. * If this type of the oil inside it.
2. Pour lubricating oil into the oil cover ...difficult to obtain, the recommended
oil to its normal position.
2993M
29
T-8420B, 8450B, 8720B, 8750B Lubricating via the oil cover (every 6 months)
Pour lubricating oil into the oil cover (1) ...
Instruction Manual - English - Page 37
...Brother.
・ Do not use the BZL-300 (SA2355-001) grease in a cool dark place.
・ The grease should be used as quickly as possible. ・ When using the grease again, remove any models...from inside the tube may affect its lubricating performance.)
2937M
31
T-8420B, 8450B, 8720B, 8750B
CLEANING
Blue
1. Tighten the screw to the next page for any old grease from around ...
Instruction Manual - English - Page 40
...If the following points before calling for repairs or service. The machine may occur depending on y Is the power cord disconnected?
In such cases, replace the presser foot with one that ... fully before carrying out troubleshooting. Problem
Possible cause
1 Machine does not operate y Is a breaker or fuse blown? and treadle is not tight. y Is the V-belt installed?
2 Upper thread is...
Instruction Manual - English - Page 41
...2944M
35
T-8420B, 8450B, 8720B, 8750B y Is the machine properly threaded?
...TROUBLESHOOTING
Problem
Possible cause
4 Skipped stitches occur y Is the needle tip bent?
Thread unravelling at the sewing start .
y If sewing light or medium-weight materials, is a presser foot with a count that is bent or broken, replace... the needle properly installed?
Adjust the height...
Instruction Manual - English - Page 42
TROUBLESHOOTING
Problem 6 Uneven seam
Possible cause
y Is the presser foot pressure too weak?
If the bobbin is not turning smoothly, replace the bobbin.
Move the stopper to ...Set the bobbin so that the light-alloy bobbins specified by Brother.
2951M
2124M
17-18 16
17-18
T-8420B, 8450B, 8720B, 8750B
36 If the bobbin is damaged, smooth it with an oiled grindstone or
replace ...
Instruction Manual - English - Page 44
INSTRUCTION MANUAL
http://www.brother.com/
T-8420B, 8450B, 8720B, 8750B SA2762-401
2005.04.B (1)
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