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RH-9820
Brother RH-9820 Service Manual
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6.
ASSEMBLY
RH-9820
95
6-14. Threading mechanism
*
Apply the grease specified by Brothe
r (
MOL
YKOTE LO
NGTERM W2 manufactured by
Dow Corning
Corporation
) in the places indicated by
.
Tighten the shoulder screw (11)
followed by the nut (12) so that the
gimp thread take-up driving plate (9)
and the gimp thread tale-up plate (10)
move smoothly with no play.
0944B
Make sure the direct
ion is correct.
Make sure the direction is
correct.
103
105
Table of Contents
Safety Instructions
3
Maintenance and Inspection
5
Machine Specifications
10
Function Settings
11
List of Advanced Functions
12
Memory Switch Setting Method (Advanced)
13
List of Memory Switch Settings
14
Error History Checking Method
23
Input Checking Method
24
Output Checking Method
27
Software Version Checking Method
30
Reading/Writing Data
31
Data Read/Write Mode
32
Reading Parameter Data from the CF Card
33
Writing Error Log Data to the CF Card
34
Mechanical Descriptions
35
Zigzag and Thread Take-Up Mechanisms
36
Needle Bar Rocking Mechanism
37
Feed Mechanism
38
Presser Foot Mechanism
39
Cloth Opening Mechanism
40
Cutter Mechanism
41
Spreader Mechanism
42
Upper Tension Release Mechanism
43
Lower Thread Release and Lower Thread Take-Up Mechanisms
44
Lower Thread Trimmer Mechanism
45
Disassembly
47
Covers and Presser Foot Mechanism
48
Upper Shaft Motor Unit Mechanism
49
Feed Mechanism
50
X Feed Unit
51
Lower Thread Tension Mechanism
52
Spreader Mechanism
53
Looper Mechanism
54
Needle Bar Rocking Mechanism
55
Looper Base Mechanism
56
Needle Bar Mechanism
57
Lubrication
58
Zigzag and Thread Take-Up Mechanisms
60
Upper Shaft Mechanism
61
Cutter Mechanism
62
Assembly
63
Cutter Mechanism
64
Needle Bar Mechanism (1)
66
Zigzag Mechanism
68
Upper Shaft Mechanism
70
Thread Take-Up Mechanism
73
Needle Bar Mechanism (2)
74
Y Feed Mechanism
78
Looper Base Mechanism
82
Needle Bar Rocking Mechanism
88
Lower Shaft Mechanism
94
Looper Mechanism
99
Spreader Mechanism
101
Upper Thread Trimmer Mechanism
103
Threading Mechanism
104
Feed Base Mechanism
106
X Feed Shaft Holder
113
X Feed Mechanism
116
Lower Thread Tension Mechanism
118
Upper Shaft Motor Mechanism
120
Covers
124
Work Clamp Plate Mechanism
126
Lower Thread Trimming Mechanism
130
Specifications
134
Routing the Harnesses
138
Routing the Air Tubes
140
Solenoid Valve Tubes and Functions
142
Lubrication and Greasing and Routing the Oil Tubes
144
Adjustments
150
Adjusting the Zigzag Width (Stitch Width)
151
Adjusting the Zigzag Base Line Position
152
Adjusting the Needle and Looper Timing
155
Adjusting the Looper Stroke
156
Adjusting the Height of the Needle Bar
157
Adjusting the Clearance between the Loopers and Needle
158
Adjusting the Spreader Installation Positions
159
Adjusting the Spreader Timing
160
Adjusting the Height of the Throat Plate
161
Changing the Cutting Length (Replacing the Hammer)
162
Adjusting the Cutting Surface of the Hammer
163
Adjusting the Contact between the Knife and the Hammer
164
Making the Cutter Driving Shaft and Driving Shaft Presser Move Together
165
Replacing the Knife and Adjusting Its Position
166
Making Fine Adjustments to the Knife Position
167
Adjusting the Cutting Pressure
169
Adjusting the Work Clamp Lift Amounts
170
Adjusting the Work Clamp Positions
171
Adjusting the Positions of the Work Clamp Plates
172
Adjusting the Cloth Opening Amounts
173
Adjusting the Upper Thread Feeding Amount
174
Replacing and Adjusting the Upper Movable Knife
175
Adjusting the Upper Movable Knife
176
Adjusting the Position of the Thread Trimmer Lever Bracket
177
Replacing the Movable Knife and Fixed Knife
178
Adjusting the Cutting Pressure
179
Adjusting the Thread Nipper Assembly and Opener
180
Adjusting the Thread Handler
182
Replacing the Movable Knife and Fixed Knife
183
Adjusting the Movable Knife Installation Position
184
Adjusting the Position of the Sub Clamp
185
Differences from Older Models
186
Adjustment of the Phase for the Take-Up Roller Cam
190
Adjusting the Needle Bar and Looper Base Turning Center
191
Adjusting the Upper Thread Loosening Amount
192
Adjusting the Lower Thread Loosening Amount
193
Adjusting the Looper Base Home Position
194
Adjusting the Feed Base X Home Position and y Home Position
196
Adjusting the Needle up Signal Home Position for the Upper Shaft and Upper Shaft Motor
198
Adjusting the Upper Shaft Stop Position
200
Installing (Replacing) the Sub Clamp on the Left Side
201
Electrical Mechanism
206
Inside the Control Box and Operation Panel Structure
207
Description of Fuses
208
Description of Connectors
209
Symptoms When There Are Poor Connections
212
Troubleshooting
215
Diagnosis Flowchart
216
Remedy
219
Error Codes
228
Troubleshooting
234
Other manuals for Brother RH-9820
Parts Book
132 pages
Instruction Manual
134 pages
Brochure
6 pages
Brochure & Specs
6 pages
4
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Brother RH-9820 Specifications
General
Brand
Brother
Model
RH-9820
Category
Sewing Machine
Language
English
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