Brother S-7220B Instruction Manual page 50

11. CLEANING
<-403, 405, 433 specifications>
3754M
1. Turn the power switch to "OFF".
2. Remove the screws.
3. Apply grease to each of the holes until the grease overflows slightly.
4. The grease will be pushed in when the screws are tightened.
<Resetting the grease consumption amount>
After the grease has been applied, carry out the following procedure to reset the grease consumption amount.
1. Turn the power switch to "ON". "GrEASEUP" will flash in the main display (1) and the buzzer will sound.
2. Press the RESET key (2). The main display (1) will change to stitch number display mode.
3. Press and hold the LOCK key (4) for 2 seconds or more.
The lock icon (5) will switch off and the lock will be released.
4. Press the FUNC (Function) key (6). "n.134 Pxxx" will appear in green in the main display (1).
("Pxxx" indicates the grease consumption amount. For example, "P100" means that 100% of the grease has been
consumed.)
5. Press the rightmost
6. Press and hold the ENTER key (8) for two seconds or more.
The buzzer will make a long beep, and then the main display (1) will change to stitch number display mode.
7. Depress the treadle to run the sewing machine for 1 second or more.
8. Turn the power switch to "OFF". (This completes the reset procedure.)
43
key (7). The "Pxxx" will change to "P 0".
<-433 specifications>
1. Turn the pulley to raise the needle bar to a
position where the slide block guide (1) can be
seen.
2. Apply grease to the slide block guide (1) in the
places shown in the illustration.
5. Turn the machine pulley by hand to move the needle bar
up and down several times in order to disperse the
grease.
6. Use a cloth to wipe away any excess grease from around
the screws.
7. Carry out the reset procedure given below.
3756M
S-7220B
grease
3755M
2139M