Brother RH-9820 Service Manual page 29

Electronic eyelet button holer
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No.
Check item
14
Panel indicators
Upper tension
15
release
16
X axis encoder
17
Y axis encoder
θ axis encoder
18
Upper thread
19
nipper device
vertical movement
Upper thread
nipper device
20
forward/back
movement
Upper thread
21
nipper device
opening/closing
22
Sub-hammer
Indexer feed plate
auxiliary clamp
23
arm
Indexer chuck
24
Indexer feed plate
25
26
Valve output 1
27
Valve output 2
28
Valve output 3
29
Valve output 4
The 11 panel indicators will illuminate one by one.
The upper tension will be released while the start switch is being pressed.
The buzzer will sound for 0.7 second, and then the work clamp will be lowered, the
spreader will open and the feed will move +20 mm in the Y axis direction. The feed will
then oscillate in the X axis direction within a range of -6 mm to +6 mm.
It will stop when the start switch is released.
* Encoder offset is measured and displayed during operation.
The buzzer will sound for 0.7 second, and then the work clamp will be lowered and the
spreader will open. The feed will then oscillate in the Y axis direction within a range of 0
mm to +65 mm.
It will stop when the start switch is released.
* Encoder offset is measured and displayed during operation.
The buzzer will sound for 0.7 second, and then the work clamp will be lowered and the
spreader will open. The looper base will then oscillate in the θ axis direction within a range
of -49.5° to +364.5°.
It will stop when the start switch is released.
* Encoder offset is measured and displayed during operation.
The upper thread nipper device will be lowered while the start switch is being pressed.
* Only with the upper thread nipper device
The upper thread nipper device will move forward while the start switch is being pressed.
* Only with the upper thread nipper device
The upper thread nipper device will open while the start switch is being pressed.
* Only with the upper thread nipper device
After the feed base has moved forward, the sub-hammer will be lowered.
* Only with the lapel device
The feed plate auxiliary clamp arm of the fly indexer will turn on while the start switch is
being pressed.
* Only with the fly indexer
The chuck of the fly indexer will turn on while the start switch is being pressed.
* Only with the fly indexer
The feed plate of the fly indexer will move to the right while the start switch is being
pressed.
* Only with the fly indexer
This is a spare signal for special orders.
(Applicable for main control program (MN) version 1.2.00 and later)
RH-9820
2. FUNCTION SETTINGS
Operation
20

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