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SM 7774 Cp1

THREE NEEDLES SEWING MACHINE

OPERATING INSTRUCTION MANUAL

Rev 201101

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Summary of Contents for SM 7774

Page 1: ...SM 7774 Cp1 THREE NEEDLES SEWING MACHINE OPERATING INSTRUCTION MANUAL Rev 201101 ...

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Page 3: ...nt operation must be carried out only by the qualified expert personnel For repairs all tools and replacement parts must be qualified by manufacturer Whenever and whatever reason the machine is to be demolished certain basic rules must be observed to safeguard public health and the environment in which we live Ensure that the rotation of the pulley conformable to the red allow on the belt cover No...

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Page 5: ... 2 4 3 Position setting of hook need bar 3 4 4 Position setting of the eccentric cam of needle transporting 3 4 5 Position setting of the eccentric cam of needle protector movement 3 4 6 Adjustment setting of the space between presser foot and needle plate 4 4 7 Assembly and adjustment of the thread winding rod 4 4 8 Adjustment setting of the stitch length 4 4 9 Adjustment of stopping position 5 5...

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Page 7: ...nnect the machine cable with the main electricity supply controlling that the voltage and frequency of the main supply line are the same as those supply to motor and connect the filter reducer unit to the compress air supply pressure to be set for this machine 6 bar 2 Start pedalswitch on the machine to watch if the rotation of motor is conformable to the red arrow on the belt cover If the directi...

Page 8: ...s correct position 3 Tighten the fastening screw of the part 654 1037 Tip of awl Awl A Point Needle plate 1 6mm Fig 2 4 2 Position setting of eccentric cam of hook needle movement Fig 3 Turn the handwheel in the correct direction till the hook needle bar 654 1063 D comes to its undermost position Mark a scale that is even with the upper surface of needle bracket 654 1061 on the hook needle bar The...

Page 9: ...dle transporting Put a paper behind the needle plate as background will convenient for observe Right track A B C Too earlier Too later Fig 4 The transporting track is as shown in Fig 4 The track A is right the track B is too earlier and the track C is too later The needle transport can be adjusted by change the angle position of eccentric cam 654 1004 4 5 Position setting of the eccentric cam of n...

Page 10: ...f the thread winding rod 1 Turn the handwheel by hand till the hook needle comes to its highest position and just begin to move breadthwise 2 Loosen the fastening screw of thread winding rocker 654 1026 insert the thread winding rod 654 1029 D into the thread winding rocker 3 Loosen the fastening screws of cam 654 1031 turn the cam 654 1031 till the thread winding rod close up the tip of the hook ...

Page 11: ...djust the relative position between the positioner and the main shaft After adjustment tighten the screw of the positioner again Screw Positioner Fig 8 5 THE THREAD AWLAND HOOK NEEDLE The thread can be used for this machine 900D terylene thread The thread must be dunked in oil before be used Hook needle HN 84 50 140 23 G 1 Awl HN 91 38 140 61 G 201 Needle protector Long PY086 909B Needle protector...

Page 12: ...1020 654 1006 268 201 654 1021 654 1005 654 1022 654 1036 654 1008 654 1009 654 1007 654 1013 268 205B 001 268 203 654 1011 654 1010 654 1002 268 204 003 002 654 1016 654 1014 654 1015 654 1036 654 1003 003 654 1018 654 1019 654 1017 ...

Page 13: ...1011 Crank rocker 1 654 1012 Connecting pin 1 654 1013 Crank rocker 1 654 1014 Eccentric cam 1 654 1015 Nut 4 654 1016 Connecting pin 1 654 1017 Crank rocker 1 654 1018 Eccentric cam 1 654 1019 Ring 1 654 1020 Connecting rod 1 654 1021 Pin 1 654 1022 Action block 1 268 201 Setting knob 1 268 202 Spring 1 268 203 Bearing protector 1 268 204 Clutch bushing 1 268 205B Handwheel 1 001 Bearing 8106 1 0...

Page 14: ...4 1047 654 1046 654 1045 654 1044 654 1043 654 1042 654 1041 654 1040 654 1039 D 654 1038 654 1037 654 1036 654 1035 654 1034 654 1033 654 1032 654 1031 654 1030 654 1029 D 654 1028 654 1027 654 1026 654 1025 654 1024 654 1023 ...

Page 15: ...654 1031 Cam 1 654 1032 Needle bar crank 1 654 1033 Connecting lever 1 654 1034 Conical pin 3 654 1035 Nut 6 654 1036 Washer 5 654 1037 Conical fastening pin 3 654 1038 Bushing 2 654 1039 D Awl bar 1 654 1040 Awl 3 654 1041 Nut 2 654 1042 Bushing 1 654 1043 Lifting block 1 654 1044 Lifting nut 1 654 1045 Presser foot bar clamp 1 654 1046 Sliding block 1 654 1047 Fastening pin 1 654 1048 Presser fo...

Page 16: ... 1056 654 1069 1 654 1055 654 1058 654 1061 654 1060 654 1059 654 1057 654 1069 2 654 1067 1 654 1064 654 1063 D 654 1062 654 1036 654 1035 654 1052 654 1065 654 1037 654 1067 2 654 1066 D 654 1051 654 1054 654 1053 D ...

Page 17: ...centric ring 1 654 1059 Rocker arm 1 654 1060 Conical screw A L 30 6 Conical screw B L 38 5 Conical screw C L 48 1 654 1061 Needle bracket 1 654 1062 Bushing 4 654 1063 D Hook needle bar 1 654 1064 Hook needle 3 654 1065 Needle protector bar 1 654 1066 D Needle protector frame 1 654 1067 1 Needle protector long 3 654 1067 2 Needle protector short 3 654 1068 Driving rocker arm 1 654 1069 1 Connecti...

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