Page 2/24
Original issue
May 2009
Service Manual
HZL-27Z
Model
Contents
1． Disassembling face covers
2．
Feed dog height
3．
Needle height
4． Hooking fork position of needle threader
5．
Presser foot height
6． Needle position at straight stitching
7． M position
8． Needle clearance to shuttle point
9． Timing belt tension
10．Feed dog timing
11．Needle timing to shuttle point
12．Thread tension
13．
Belt tension
14．Bobbin case rotation stopper
15．Pitch balance of buttonhole sewing
16．Balance of stitch length on stretch stitching
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