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11. STANDARD ADJUSTMENTS

BAS-342G

11-8. Adjusting the rotary hook lubrication amount

The optimum position is when the head of the set screw (1)

is aligned with the edge of the bed. The rotary hook

lubrication amount can be adjusted within three turns to the

right from that position.

• If the set screw (1) is turned clockwise, the lubrication

amount becomes smaller.

• If the set screw (1) is turned counterclockwise, the

lubrication amount becomes greater.

* If you would like the lubrication amount to be increased

further from the position the head of the set screw (1) is

aligned with the edge of the bed, use the following

method to make the adjustment.

<Adjusting by changing the amount of oil supplied

from the sub-tank>

1. Remove the four screws (1), and then remove the X

motor cover (2).

2. Tilt back the machine head.

3. Insert a screwdriver into the holes in the left side of the

sewing machine bed and loosen the two bolts (3).

4. Move the sub-tank (4) up or down to adjust its position,

and then tighten the two bolts (3).

• If the position of the sub-tank (4) is raised, the

lubrication amount will increase.

• If the position of the sub-tank (4) is lowered, the

lubrication amount will decrease.

5. Return the machine head to its original position.

6. Install the X motor cover (2) with the four screws (1).

4037M

4038M

Less oil

More oil

Less oil

More oil

4036M

Oil tube

Three turns of the

set screw (1)

Less oil

More oil

ligned

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 83 84

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