Brother International T-8420B Instruction Manual - English - Page 38

<Resetting the cumulative operating time&gt, CLEANING, <Checking method after resetting&gt

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8. CLEANING 2996M Turn the machine pulley until the screw (1) can be seen. Use the tip of a screwdriver or similar to apply 5-10 mm beads of grease to the slide block slider (2). 4 places at top, bottom, left and right of the slide block (3) * Pour oil into the oil cover at the same time. (Refer to p.11.) 2939M Once the grease has been applied, follow the procedure below to reset the cumulative time between grease applications. 1. Press the RESET switch (1) for about 5 seconds until a short beep (about 0.5 seconds) sounds. (Release the switch once the buzzer sounds.) * Use an object with a sharp point to firmly push in the RESET switch (1) as far as it will go. 2. Press the RESET switch (1) once more for approximately 5 seconds. A long beep (about 2 seconds) will sound, and the reset procedure will be carried out. 2997M If only the POWER indicator (2) illuminates when the sewing machine is next used, the reset procedure has been carried out successfully. NOTE: ・ If the reset procedure has not been carried out successfully, repeat steps 1 and 2 above. ・ If the GREASE indicator (3) does not illuminate and the buzzer does not sound when the RESET switch (1) is pressed, operate the sewing machine for more than 30 seconds, and then carry out the reset procedure again. ・ The RESET switch (1) should never be pressed except when carrying out the reset procedure after grease application. T-8420B, 8450B, 8720B, 8750B 32

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T-8420B, 8450B, 8720B, 8750B
8. CLEANING
32
<Resetting the cumulative operating time>
Once the grease has been applied, follow the procedure
below to reset the cumulative time between grease
applications.
1. Press the RESET switch (1) for about 5 seconds until a
short beep (about 0.5 seconds) sounds. (Release the
switch once the buzzer sounds.)
*
Use an object with a sharp point to firmly push in the
RESET switch (1) as far as it will go.
2. Press the RESET switch (1) once more for approximately
5 seconds.
A long beep (about 2 seconds) will sound, and the reset
procedure will be carried out.
<Checking method after resetting>
If only the POWER indicator (2) illuminates when the sewing
machine is next used, the reset procedure has been carried
out successfully.
NOTE:
・
If the reset procedure has not been carried out successfully, repeat steps 1 and 2 above.
・
If the GREASE indicator (3) does not illuminate and the buzzer does not sound when the RESET switch (1) is pressed,
operate the sewing machine for more than 30 seconds, and then carry out the reset procedure again.
・
The RESET switch (1) should never be pressed except when carrying out the reset procedure after grease application.
* Pour oil into the oil cover at the same time. (Refer to p.11.)
2996M
2939M
Turn the machine pulley until the
screw (1) can be seen.
Use the tip of a screwdriver or similar to
apply 5-10 mm beads of grease to the slide
block slider (2).
4 places at top,
bottom, left and right
of the slide block (3)
2997M