Adjustment Of The Y Timing Belt Tension - JUKI PLK-G4030R Technical Manual

7-21-2. Adjustment of the Y timing belt tension

(1) Remove the covers and shutters on the top of the sewing machine bed.
(2) Loosen set screws (No.2) of the brackets (No.1). (It's located right and left side)
(3) Tighten the adjust screw (No.3) of right and left side, the Y timing belt (No.4) tension will be increased.
(4) After the adjustment, tighten the set screws (No.2) securely.
NOTE Distinct difference of the tension between the right and left timing belt will be possible to cause
undesirable moving of X-Y table. Please adjust the tension of both side timing belt to be same.
<3>
<4> <2> <1>
<1>: Pulley bracket <2>: Set screw <3>: Adjust screw <4>: Timing belt
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