21
0.1 to 0.3 mm
Presser bar supporter
Part A
knee lifter arm
Setscrew
Direction C
Direction D
Wire guide
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
Nut
Summary of Contents for 5270QDC
Page 1: ...First Edition 06 March 2020 SERVICE MANUAL PARTS LIST MODEL 5270QDC For Europe only...
Page 39: ...37 TOUCH PANEL KEY POSITION ADJUSTMENT GUIDE Print this illustration guide to its actual size...
Page 52: ...50 MODEL 5270QDC PARTS LIST 1 2 3 4 6 5 7 8 9 10 11 12 13 14 17 15 18 19 20 9 21 21 22 23 16...