Brother International DA-9280 Instruction Manual - English - Page 9

DA-9280

4

3.

Place the machine head on the table, adjust its posi-

tion in forward and backward directions by aligning it

with the hole for presser bar lifter chain

y

, and in side-

wise directions by aligning it with belt hole

!0

.

5-2.

Ground wire connections

5.

Connect the presser bar lifter chain

y

to the knee lifter

lever

!1

and the presser lifter pedal

!2

.

Connect the ground wire to the sewing machine head and

motor.

(Use the correct type of ground wire and washer.)

1.

Remove lower thread guide holder screw

w

.

2.

Secure the ground wire

q

to the sewing machine head

with screw

w

and washer

e

.

(The attachment location is indicated by a ground sym-

bol

r

.)

3.

Pass the ground wire

q

through the hole in the table.

4.

Connect the ground wire

q

to the motor in accordance

with the instructions in the instruction manual for the

motor.

5. INSTALLATION

To motor

i

o

u

!

1

y

!

2

r

q

e

w

u

y

!

0

u

4.

After fastening cushions

u

to the machine bed and

pulley cover base with set screws

i

, fix them to the

table with screws

o

.

*

Place the work table so that the machine head is

horizontal.

If the machine head is not horizontal, lubrication will

not be carried out correctly.

Section	Page
Top cover	1
CONTENTS	5
1. NAMES OF MAJOR PARTS	6
2. MACHINE SPECIFICATIONS	6
3. OPTIONAL PARTS	6
4. WORK TABLE AND MOTOR	7
5. INSTALLATION	8
5-1. Installing the machine head	8
5-2. Ground wire connections	9
5-3. Installing the pulley cover	10
5-4. Belt tension adjustment	11
5-5. Cotton stand	11
5-6. Lubrication	12
5-7. Checking the machine pulley rotating direction	13
6. PREPARATION BEFORE SEWING	13
6-1. Needles and threads	13
6-2. Installing the needles	13
6-3. Threading the lower threads	14
6-4. Threading the upper threads	14
7. SEWING	15
7-1. Sewing	15
8. THREAD TENSION	16
8-1. Adjusting the thread tension	16
8-2. Presser foot pressure adjustment	16
8-3. Adjusting the stitch length	17
8-4. Puller feed adjustment (Machines with puller)	17
9. CLEANING	19
9-1. Daily cleaning	19
9-2. Changing the lubricating oil (every three months)	19
10. STANDARD ADJUSTMENTS	20
10-1. Needle bar height adjustment	20
10-2. Needle and looper timing adjustment	21
10-3. Timing of loopers running clear of needles	22
10-4. Needle guard adjustment	22
10-5. Feed dog height adjustment	23
10-6. Thread release lever adjustment	23
10-7. Upper thread take-up thread guide adjustment	24
10-8. Upper thread nipper adjustment	24
10-9. Thread release shaft adjustment	24
10-10. Lower thread take-up timing adjustment	24
10-11. Installing the lapper	25
10-12. Puller height adjustment (Machines with puller)	25
10-13. Puller timing adjustment (Machines with puller)	25
11. INSTALLING OPTIONAL PARTS	26
12. TROUBLESHOOTING	28

Brother International DA-9280 Instruction Manual - English - Page 9

Ground wire connections

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