7. ADJUSTMENT
HE-800B
97
[CAUTION]
Before adjusting the upper thread trimming, check the home position of the work clamp (P) motor. (Refer to “7-2-4. Work
clamp (P) motor home position”.)
7-12-1. Adjusting the longitudinal feed arm assembly position
1. Turn on the power and set the sewing machine to the
home position. Then press the THREAD key to lower
the work clamp.
2. Check that the slot at the bottom of the upper thread
trimmer lever set (1) is aligned with the edge of the
washer (2)
.
3. If they are not aligned, loosen the bolt (3) and move
the longitudinal feed arm assembly (4) back and forth
to adjust.
7-12-2. Adjusting the trimmer driving arm assembly position
1. Turn on the power and set the sewing machine to the home position. Then press the THREAD key to lower the work clamp.
2. Check that the overlap between the stopper (2) fixed to the trimmer driving arm assembly (1) with the bolt and the stop plate
(4) of the upper thread trimmer lever set (3) is 1 mm.
3. If adjustment is necessary, loosen the bolt (5) and move the trimmer driving arm assembly (1) back and forward to adjust.
4320Q
1777B
1776B
Aligned
Summary of Contents for HE-800B
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Page 126: ...9 ELECTRIC MECHANISM HE 800B 117 Power PCB Cutter PCB LCD panel PCB 0831D 0768D 0769D ...
Page 133: ...9 ELECTRIC MECHANISM HE 800B 124 0851D ...
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Page 177: ...MEMO 168 HE 800B ...
Page 178: ...SERVICE MANUAL 2014 Brother Industries Ltd All Rights Reserved HE 800B I3061003D 2014 03 D 1 ...