SINGER 143G2 User Manual

Page 11

Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

To Time the Sewing Hook

Remove

the

throat

plate

and

with

needle

vibration

zero,

turn the machine pulley over toward you until the LOWER timing

mark, on the needle bar Is Just visible at thé end of the needle

bar frame (or until the needle bar has risen 3/32 Inch); if the

needle and hook are In correct time, the point of the hook will

be opposite the centre of the needle.

To time the hook, loosen the set screws in the lower belt

pulley

(J,Elg.6)

and

turn

the

hook

required.

Before

tighten

ing the set screws, see that there Is no end play In the shaft.

Fig. 21

To Set the Hook To or From the Needle

The point of the hook should come as close as possible to the

needle without touching It. Loosen the four screws (X and AA,
Fig.21) and slide the hook to the correct position, then tighten
the two screws (X). Reset the gear on the hook shaft and tighten
screws (AA).

To Remove the Hook

Remove

the

bobbin

case

stop

(Y,Fig.21),

loosen

the

hook

spindle screw

(w)

a few turns and tap It lightly to loosen the

hook. Then remove the screw (W) and withdraw the hook from Its
socket.

To Remove the Belt from Within the Arm

Slide Che arm shaft connection belt off the hook driving

shaft belt pulley (J, Fig. 6), and remove the machine pulley loosen
the am shaft ball bearing bushing (back) set screw (D, Flg.3) at
the back of the am, and remove the bushing; lift the belt up
through the am cap hole as far as possible and draw It out
through the space formerly occupied by the bushing.

When replacing the belt see that the sewing hook and needle

are In correct time before running the belt on the lower pulley
and verify the correctness of the timing before commencing to

sew.

Fig. 22. Putting Belt on Lower Pulley with

Belt Replacer 244005

To facilitate Che replacing of the belt on tne lower pulley,

use belt replacer 244005 (A, Fig. 22). Rest the replacer In Che

loop

the

belt

and

slide it over the

hub

of the

pulley, as

shown

Fig.22,

having

the

notches

the

replacer

engage

the

two set screws In the Tiub of the pulley. Turn the machine pul
ley toward you until the belt Is fully over the pulley, then re

move the replacer.

NOTE: As belt replacer 244005 will serve for several machines,

It Is not regularly furnished with the machine, and must be
ordered separately.

This manual is related to the following products:

143G3