Table Of Contents - Brother RH-9820 Service Manual

Table Of Contents

Safety Instructions3
Maintenance And Inspection5
Machine Specifications10
Function Settings11
List Of Advanced Functions12
Memory Switch Setting Method (Advanced)13
List Of Memory Switch Settings14
Error History Checking Method23
Input Checking Method24
Output Checking Method27
Software Version Checking Method30
Reading/Writing Data31
Data Read/Write Mode32
Reading Parameter Data From The Cf Card33
Writing Error Log Data To The Cf Card34
Mechanical Descriptions35
Zigzag And Thread Take-Up Mechanisms36
Needle Bar Rocking Mechanism37
Feed Mechanism38
Presser Foot Mechanism39
Cloth Opening Mechanism40
Cutter Mechanism41
Spreader Mechanism42
Upper Tension Release Mechanism43
Lower Thread Release And Lower Thread Take-Up Mechanisms44
Lower Thread Trimmer Mechanism45
Disassembly47
Covers And Presser Foot Mechanism48
Upper Shaft Motor Unit Mechanism49
X Feed Unit51
Lower Thread Tension Mechanism52
Looper Mechanism54
Looper Base Mechanism56
Needle Bar Mechanism57
Lubrication58
Upper Shaft Mechanism61
Assembly63
Needle Bar Mechanism (1)66
Zigzag Mechanism68
Thread Take-Up Mechanism73
Needle Bar Mechanism (2)74
Y Feed Mechanism78
Lower Shaft Mechanism94
Upper Thread Trimmer Mechanism103
Threading Mechanism104
Feed Base Mechanism106
X Feed Shaft Holder113
X Feed Mechanism116
Upper Shaft Motor Mechanism120
Covers124
Work Clamp Plate Mechanism126
Lower Thread Trimming Mechanism130
Specifications134
Routing The Harnesses138
Routing The Air Tubes140
Solenoid Valve Tubes And Functions142
Lubrication And Greasing And Routing The Oil Tubes144
Adjustments150
Adjusting The Zigzag Width (Stitch Width)151
Adjusting The Zigzag Base Line Position152
Adjusting The Needle And Looper Timing155
Adjusting The Looper Stroke156
Adjusting The Height Of The Needle Bar157
Adjusting The Clearance Between The Loopers And Needle158
Adjusting The Spreader Installation Positions159
Adjusting The Spreader Timing160
Adjusting The Height Of The Throat Plate161
Changing The Cutting Length (Replacing The Hammer)162
Adjusting The Cutting Surface Of The Hammer163
Adjusting The Contact Between The Knife And The Hammer164
Making The Cutter Driving Shaft And Driving Shaft Presser Move Together165
Replacing The Knife And Adjusting Its Position166
Making Fine Adjustments To The Knife Position167
Adjusting The Cutting Pressure169
Adjusting The Work Clamp Lift Amounts170
Adjusting The Work Clamp Positions171
Adjusting The Positions Of The Work Clamp Plates172
Adjusting The Cloth Opening Amounts173
Adjusting The Upper Thread Feeding Amount174
Replacing And Adjusting The Upper Movable Knife175
Adjusting The Upper Movable Knife176
Adjusting The Position Of The Thread Trimmer Lever Bracket177
Replacing The Movable Knife And Fixed Knife178
Adjusting The Thread Nipper Assembly And Opener180
Adjusting The Thread Handler182
Adjusting The Movable Knife Installation Position184
Adjusting The Position Of The Sub Clamp185
Differences From Older Models186
Adjustment Of The Phase For The Take-Up Roller Cam190
Adjusting The Needle Bar And Looper Base Turning Center191
Adjusting The Upper Thread Loosening Amount192
Adjusting The Lower Thread Loosening Amount193
Adjusting The Looper Base Home Position194
Adjusting The Feed Base X Home Position And Y Home Position196
Adjusting The Needle Up Signal Home Position For The Upper Shaft And Upper Shaft Motor198
Adjusting The Upper Shaft Stop Position200
Installing (Replacing) The Sub Clamp On The Left Side201
Electrical Mechanism206
Inside The Control Box And Operation Panel Structure207
Description Of Fuses208
Description Of Connectors209
Symptoms When There Are Poor Connections212
Troubleshooting215
Diagnosis Flowchart216
Remedy219
Error Codes228