9. ADJUSTMENTS

9. ADJUSTMENTS

CAUTION

Maintenance and inspection of the sewing machine

Use both hands to hold the machine head when

should only be carried out by a qualified technician.

tilting it back or returning it to its original position.

Ask your Brother dealer or a qualified electrician to

If only one hand is used, the weight of the machine

head may cause your hand to slip, and your hand

carry out any maintenance and inspection of the

may get caught.

electrical system.

Do not touch the face plate knives when opening the

Turn off the power switch and disconnect the power

thread take-up guard cover.

cord at the following times.

If they are touched, injury may result.

The machine may operate if the treadle is depressed

If any safety devices have been removed, be

by mistake, which could result in injury.

•

When carrying out inspection, adjustment and

absolutely sure to re-install them to their original

positions and check that they operate correctly

 

maintenance

 

before using the machine.

•

When replacing consumable parts such as the

When removing the needle plate, auxiliary needle

 

rotary hook and knives

 

 

plate and knife unit, use a screwdriver that matches

If the power switch and air need to be left on when

the size of the screw heads.

carrying out some adjustment, be extremely careful

If a screwdriver that does not match the size of the

to observe all safety precautions.

screw heads is used, it may damage the screw

 

 

heads and result in injury to the operator or damage

 

to the articles being sewn.

9-1. Actuator position

3506M

The installation position of the actuator (1) can be adjusted as shown in the illustration.

Adjust so that it is in a position where it is easy to operate.

NOTE:

If using a thread wiper device (option), adjust the position of the actuator (1) within the range of (A) so that it does not touch the thread wiper.

<Rear side>

1. Loosen the two screws (2).

2. Move the switch installation plate (3) to move the actuator

(1) to the desired position.

3. Tighten the two screws (2).

3507M

67

Z-8550A, 8560A