Happy HCS-1201-30, Maintenance Manual

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Index
page
3-6 Thread cut unit 87
3-6-1 Assemble the arm ass’y 88,89
3-6-2 Exchange of thread cutting roller 90,91,92
3-6-3 Adjustment of spacer ass’y 93
3-6-4 Adjustment of thread cutting stopper 94
3-6-5 Adjustment of thread cut timing 95,96
3-6-6 Exchange of moving knife 97
3-6-7 Exchange of fixed knife 98
3-6-8 Adjustment of moving knife and fixed knife 99
3-6-9 Adjustment of position of moving knife 100
3-6-10 Adjustment of bobbin thread holder 101
3-6-11 Exchange of keeper solenoid 102
3-6-12 Adjustment of position of keeper 103
3-7 Carriage unit 104
3-7-1 Adjustment of X carriage belt tension 105,106
3-7-2 Exchange of X carriage belt 107-109
3-7-3 Adjustment of Y carriage belt tension 110-112
3-7-4 Exchange of Y carriage belt 113-115
3-8 Transmission unit 116
3-8-1 Adjustment of timing belt tension 117
3-8-2 Exchange of timing belt 118,119
3-8-3 Adjustment of motor belt tension 120,121
3-8-4 Exchange of motor belt 122,123
4 Electricity 124
4-1 Circuit board related parts 125
4-1-1 Setting of dip switch for CPU board 126
4-1-2 Exchange of battery 126
4-1-3 Setting to fix power supply 127
4-2 Sensors 128
4-2-1 Adjustment of upper shaft timing (C point / L point) 129
4-2-2 Adjustment of TC board 130
4-2-3 Adjustment of stop position of needle bar change unit 130
4-2-4 Adjustment of needle bar change sensor 131