
– 9 –
1. Insert the main shaft
into the balancer
, crank rod
, bobbin winding drive wheel
, hand pulley gear
A
, intermediate presser eccentric cam
, and the 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 setscrew
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 setscrews
.
(Tighten No. 1 setscrew so that it touches the flat part of the main shaft
. Then, tighten No. 2 setscrew.
Same procedure hereafter)
4. Tighten 2 setscrews
and 2 setscrews
. (Make sure that No. 1 setscrew touches the flat part of the
main shaft
.)
5. Mount the main shaft motor
and coupling
.
Refer to “3.-(5) Removal of main shaft motor and coupling”.
6. Secure the eccentric cam of the intermediate presser
with 2 setscrews
. Refer to “3.-(8) Adjustment of
intermediate presser cam”.
7. 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 setscrews
.
8. Secure the crank rod
with 2 setscrews
. Refer to “3.-(6) Crank rod connection/disconnection”.
9. Secure the balancer
with 2 setscrews
. Refer to “3.-(7) Crank balancer positioning”.
10. Secure the bobbin winding drive wheel
with 2 setscrews
. Refer to “3.-(42) Adjustment of the bobbin
winder driveing wheel position”.
* Make sure that no torque is applied by rotating the main shaft
.
Procedures of assembling