18
10
10
10
10----7 Position of the looper thread take
7 Position of the looper thread take
7 Position of the looper thread take
7 Position of the looper thread take----up
up
up
up
When the point of the left needle descending to the back side of the looper has reached
0~0.5mm above the bottom surface of the looper blade while the looper is moving to the
right from the extreme left end of its travel, the looper thread should be removed properly
from position B on the looper thread take-up.
■
Position of the point of the left needle when the looper thread is removed from point B on
the looper thread take-up
On 3 - needle machines the point of the left needle is slightly below the bottom surface of
the looper blade.
On 2 - needle machines the point of the left needle is slightly above the bottom surface of
the looper
blade.
【
11
】
REPLACING THE TIMING BELUT
11111111----1 Marks on the timing belts
1 Marks on the timing belts
1 Marks on the timing belts
1 Marks on the timing belts
The X Series is available in timing belts of [A], [B] and [C]
according to the distance between the upper and lower
shafts. [A] indicates the longest timing belt.
11111111----2 To remove the tim
2 To remove the tim
2 To remove the tim
2 To remove the timing belt
ing belt
ing belt
ing belt
1. Loosen the eight arm cover set screws and the four oil
reservoir set screws (see the illustration).
Remove each part.
2. Loosen two screws A. Remove the handwheel to the
right while turning it slowly (see the illustration).
3. Remove the pulley, timing pulley, plates and bearing
in sequence by referring to the illustration.
Then remove the timing belt from the hole for the
bearing.
