1. Insert the main shaft
into the crank rod
, balancer
, hand pulley gear A
, bobbin winding drive
wheel
, and main shaft counterbalance
in this order, and mount this assembly on the frame.
2. Tighten the taper screw
into the taper hole of the main shaft
, and tighten the set screw
to secure
the main shaft counterbalance
.
3. Lightly press the main shaft counterbalance
in the direction of Arrow D and the middle metal
in the
direction of Arrow E, and tighten 2 set screws
.
(Tighten No. 1 set screw so that it touches the flat part of the main shaft
. Then, tighten No. 2 set screw.
Same procedure hereafter)
4. Tighten 2 set screws
and 2 set screws
. (Make sure that No. 1 set screw touches the flat part of the
main shaft
.)
5. Press the hand pulley
in the direction of Arrow F to engage the hand pulley gear A
with the hand pulley
gear B
, and secure them with 2 set screws
.
6. Mount the main shaft motor
and coupling
.
Refer to “3.-(2) Removal of main shaft motor and coupling”.
7. Secure the eccentric cam of the intermediate presser
with 2 set screws
. Refer to “3.-(5) Adjustment
of intermediate presser cam”.
8. Secure the crank rod
with 2 set screws
. Refer to “3.-(3) Crank rod connection/disconnection”.
9. Secure the balancer
with 2 set screws
. Refer to “3.-(4) Crank balancer positioning”.
10. Secure the bobbin winding drive wheel
with 2 set screws
. Refer to “3.-(34) Adjustment of the bobbin
winder driveing wheel poition”.
* Make sure that no torque is applied by rotating the main shaft
.
– 6 –
Procedures of assembling