Happy HCS2-1201-30, Maintenance Manual

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5
Index
page
3-6 Thread cut unit
3-6-1 Assemble the arm ass’y
83
3-6-2 Exchange of thread cutting roller (except for Rev.A) 85
3-6-3 Exchange of thread cutting roller (for Rev.A)
88
3-6-4 Adjustment of thread cutting stopper (except for Rev.A) 91
3-6-5 Adjustment of thread cut timing (except for Rev.A) 92
3-6-6 Exchange of moving knife 95
3-6-7 Exchange of fixed knife 96
3-6-8 Adjustment of moving knife and fixed knife 97
3-6-9 Adjustment of position of moving knife (except for Rev.A) 98
3-6-9b Adjustment of position of moving knife (for Rev.A) 99
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
3-7-1 Adjustment of X carriage belt tension 104
3-7-2 Exchange of X carriage belt 106
3-7-3 Adjustment of Y carriage belt tension
109
3-7-4 Exchange of Y carriage belt 112
3-8 Transmission unit
3-8-1 Adjustment of timing belt tension
115
3-8-2 Exchange of timing belt 116
3-8-3 Adjustment of motor belt tension
118
3-8-4 Exchange of motor belt 120
4 Electricity
4-1 Circuit board related parts
4-1-1 Remove LCD and LCD-CE board 122
4-1-2 Setting for LCD-CE board 124
4-1-3 Setting for power supply 125
4-2 Sensors
4-2-1 Adjustment of upper shaft timing (C point / L point) 126
4-2-2 Adjustment of TC board 127
4-2-3 Adjustment of stop position of needle bar change unit 127