Page 8/19
Original issue
Jun. 2012
Service Manual
HZL-12Z
Model
3. NEEDLE HEIGHT
〔
Checking
〕
1. Set the zigzag width at “maximum”.
2. Turning a hand wheel by hand, bring a needle to its right hand and lowest position.
Then bring it to the center of a needle plate eyehole by turning the zigzag width
control dial.
3. Check if height of a needle tip is the same level as bottom surface of a gage.
* Bottom surface of a gage is 11.17mm from the centre of a shuttle.
* Top surface of a gage is 11.47mm from the centre of shuttle.
〔
Adjustment
〕
1. Remove a face cover.
2. Remove a thread guide plate(set).
3. Loosen a screw(2) of a needle bar clamp(1), and correct needle bar height by sliding
it up and / or down.After adjustment, tighten a screw(2) securely.(When tightening a
screw, a needle must be facing front.)
11.17 - 11.47mm
from center of a shuttle race
Needle position is center
and lowest
1
2
