Replacing And Adjusting The Knee Lifter Wire Unit - Janome 5300QDC Service Manual

MECHANICAL ADJUSTMENT

REPLACING AND ADJUSTING THE KNEE LIFTER WIRE UNIT (2)

ADJUSTMENT OF KNEE LIFTER WIRE:
Adjustment method NO.1:
If the clearance between the knee lifter arm and presser bar supporter is too large (more than 0.3 mm), loosen
nuts (2 pcs.) and make part A longer to adjust the clearance.
If the clearance between the knee lifter arm and presser bar supporter is too small (less than 0.1 mm), loosen
nuts (2 pcs.) and make part A shorter to adjust the clearance.
Use the adjustment method NO.2 if the clearance cannot be adjusted to 0.1 to 0.3 mm by the method NO.1.
Adjustment method NO.2:
If the clearance between the knee lifter arm and presser bar supporter is too large (more than 0.3 mm), loosen
setscrews (2 pcs.) and move the wire guide to the direction C to adjust the clearance.
If the clearance between the knee lifter arm and presser bar supporter is too small (less than 0.1 mm), loosen
setscrews (2 pcs.) and move the wire guide to the direction D to adjust the clearance.
Nut
Part A
Presser bar supporter
0.1 to 0.3 mm
Nut
knee lifter arm
Setscrew
Direction C
Direction D
Wire guide
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