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4.5.4) Adjusting hand pulley device
1) Put hand pulley gear in line with the end of hand pulley
axis, and tighten them with a turnbuckle.
2) Align the extra space of gears connected to upper shaft
and hand pulley axis, and then tighten them with a
turnbuckle.
3) Adjust bushing by moving it to the right and to the left in
order to minimize entangle generated between gears
when a roller rides the end of hand pulley bushing.
A A d d j j u u s s t t i i n n g g d d r r i i v v e e b b e e l l t t t t e e n n s s i i o o n n
4.5.5)
1) Adjusting drive belt tension affects sewing quality and machine operation so ask the
WARNING
2) Make sure to turn "off" the machine during tension adjustment of each drive belt.
1) Adjusting X-axis tension
(1) Timing belt of motor drive part
Check tension of X-motor drive part timing belt
with a sound wave belt tensiometer after separating
X-axis rail cover from the main body.
Adjust X-motor drive timing belt tension to
13~14kgf when you flip the belt center with a
finger or a similar tool.
Data input of sound wave belt tensiometer of a X-
motor drive part timing belt
Weight : 40 gf/m
Wide : 20mm/#R
Span
: 67
To adjust tension of X-motor drive timing belt, loosen the nut tightened to tension adjustment bolt and turn
adjustment bolt clockwise for tension increase while motor-fixing bracket is pushed to the moving direction of the
bolt, and turn it counterclockwise for tension decrease.
(2) X–axis transfer timing belt
Check tension of X – axis transfer timing belt with a sound wave belt tensiometer after moving frame attachment
plate to the right completely.
Adjust tension of X – axis transfer timing belt to 11~12kgf when you flip the belt of its center with a finger or a
similar tool.
Data input of a sound wave belt tensiometer of a X-axis transfer timing belt
Weight : 3.8 gf/m
Wide : 18mm/#R
Span
: 513mm
To adjust tension of X-axis transfer timing belt, loosen the screw of tension adjustment axis and adjustment nut, and
adjust the bolt to a optimum tention level. Turn adjustment bolt clockwise for tension increase and
counterclockwise for tension decrease.
24
service to those who are trained in our company or equivalently qualified technicians in
our company.
Roller
Nut
Tension
adjustment
bolt
Drive pulley
Timing belt
Upper shaft
Hand
pulley
bushing
Hand pulley axis
X- motor
Minor drive pulley
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