20
13
13
13
13----3 To place the timing belt
3 To place the timing belt
3 To place the timing belt
3 To place the timing belt
1. Install the timing belt, bearing, plates space collar, pulley and cover by performing
the reverse procedure of 13-2 3.
2. Position the bearing so that the point of the screw is fitted correctly into the
positioning hole on the lower shaft. Then tighten the screw to secure the bearing.
3. Move the looper to the extreme right end of its travel by turning the pulley. Bring
the needle bar down to the bottom of its stroke by hand.
4. Then place the belt onto the timing pulley on the upper shaft.
Tighten two screws A.
5. Bring the needle bar up to the top of its stroke by turning the pulley.
Check to make sure mark "P" on the handwheel is aligned with alignment mark "O"
on the bed.
6. To make a fine adjustment for the timing of the needle and looper, refer to 5-2.
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14
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CLEANING THE MACHINE
At the end of each day, remove the needle plate
and clean the slots of the needle plate and the
area around the feed dogs.
