Sec. 14; Sec. 15 - JUKI HZL-K85 Service Manual

SERVICE MANUAL
Origin point positioning of zigzag bight

SEC. 14

This section is to explain how to restore meshing position of pinion gear and
operation gear of step motor for zigzag bight.
1. Remove face and front covers.
2. Turn on the machine and set test mode at 05.(see section 02). Push zigzag
bight adjustment switch on operation panel and confirm if LED is lit.
3. Loosen two screws fixing pinion of step motor onto motor shaft. There is a dent
on the pinion gear (b) as well as on operation gear (a).
These dents are meshed at the position where they face each other.
凹み
*Step motor is energized in this position.
Push start switch a few times for confirmation.
4. Holding this situation, turn the pinion gear (b) fully clockwise until the projection
(c) touches with rotation stopper (d) and tighten the screw on the pinion gear.
a
d
凹み
c
Date:
2011/09/23
Page:
36/39
Model:
K65&K85
d
b