2
8
Adjustment of the lowest needle point
3-2-3
1.
. Loosen screw on detecting disk.
2. Turn upper shaft so that needle bar driver ass’y comes
in the bottom.
In case there is moving head, bring needle bar down.
3. When dial disc reads [
0 degree
], fix detecting disk.
4. Work will finish by checking and adjusting timing
mentioned below.
(1)upper shaft timing (L point, C point)
(2)Take-up lever timing
(3)Shuttle hook timing
(4)Jump device
(5)Needle height
Please use dial gauge for strict checking.
Please see that timing on dial disc comes to [
0 degree
]
when dial swings in highest value.
Dial-gauge
Needle holder
Summary of Contents for HCH-701-30
Page 1: ...Maintenance Manual for Embroidery Machine HCH 701 30 Version 2 4 HappyJapan Inc ...
Page 132: ...128 Electrical connection diagram 5 ...
Page 133: ...129 Electrical connection diagrams 5 ...
Page 134: ...130 List of electrical connection diagrams 5 ...
Page 137: ...130c HCD81222 LCD CE MX 基板組 ...
Page 138: ...130d HCD8116 TP switch board ass y 3 82 7 32 7 387487 2487 ...