1. How to join the throat plate and the bobbin thread trimming
knife
(1) Hold the bobbin thread trimming knife perpendicular to the throat
plate. Install it to avoid any twisting motion during operation.
(2) Loosen the setscrew
of the left bobbin thread trimmer and actuate
the bobbin thread trimmer knife cylinder
.
(3) Loosen the setscrew
of the right bobbin thread trimmer and actuate
the bobbin thread trimmer knife cylinder
.
(4) Set the left bobbin thread trimmer base
where the bobbin thread
trimming knife does not cause twisting motion, and fix the setscrew
.
(5) Set the right bobbin thread trimmer base
where the bobbin thread
trimming knife does not cause twisting motion, and fix the setscrew
.
2. Adjustment of bobbin thread trimming knife position and height
(1) Join the upper surfaces of both right and left bobbin thread trimming
knives with the upper surface of the throat plate in the same plane.
Make adjustments so that the groove of throat plate meets in parallel
to that of the bobbin thread trimming knife when the bobbin thread
trimmer is actuated.
(2) Loosen the setscrew
of the left bobbin thread trimmer and make
adjustments so that the upper surfaces of the throat plate and the
bobbin thread trimming knife are joined in the same plane.
(3) Loosen the setscrew
of the right bobbin thread trimmer and make
adjustments so that the upper surfaces of the throat plate and the
bobbin thread trimming knife are joined in the same plane.
(Caution) Be aware that the bobbin thread trimming knife should
be below the top surface of the throat plate.
(4) Push the bobbin thread trimming knife cylinder
of the left bobbin
thread trimmer in Direction A and adjust its position so that the groove
of the bobbin thread trimming knife meets in parallel to that of the
throat plate.
(5) Push the bobbin thread trimming knife cylinder
of the right bobbin
thread trimmer in Direction B and adjust its position so that the groove
of the bobbin thread trimming knife meets in parallel to that of the
throat plate.
(6) Tighten the right and left setscrews
and
.
3. Replacement of the bobbin thread trimming knife
(1) When the setscrews
and
are loosened, the right and left bobbin
thread trimming knives can be pulled off downwards.
4. Adjustment of bobbin thread trimming knife sharpness
(1) Adequately push the thread clamp pushing spring
against the
bobbin thread trimming knife to adjust its sharpness.
(2) The pushing force should be kept as light as possible, to a degree
the thread can be cut assuredly. Then, the
– 10 –
Adjustment Procedures
Results of Improper Adjustment
Содержание APW-895
Страница 14: ...7 Adjusting the bobbin thread trimming knife 9 A B Standard Adjustment ...
Страница 22: ...15 Wiper adjustment 17 A B C D E F 5 1mm 21 1mm Standard Adjustment 1 mm 0 0 5 ...
Страница 28: ...18 Adjustment of floating amount of the thread tension disk 23 A B Same surface Standard Adjustment ...
Страница 60: ...20 Pedal and related sections 55 A B Standard Adjustment B A ...
Страница 64: ... 3 Optional sections 1 SA 117 dart stretcher unit 59 1 Installation A B 2 Adjustment Standard Adjustment ...
Страница 66: ... 61 1 Installation of the shim bracket 2 SA 118 shim unit Standard Adjustment ...
Страница 68: ... 63 Adjustment of interlining clamp parallelism Standard Adjustment ...
Страница 70: ...3 SA 119 suction unit 65 Standard Adjustment ...
Страница 72: ... 67 Section A Standard Adjustment ...
Страница 74: ... 69 Section A Standard Adjustment Section B ...
Страница 151: ... 146 ...
Страница 152: ... 147 ...
Страница 153: ... 148 ...
Страница 154: ... 149 ...
Страница 155: ... 150 ...
Страница 158: ... 153 3 Spots where grease adhesive agents are used EXTERIORS A JUKI Grease A A A ...
Страница 159: ... 154 MAIN SHAFT THREAD TAKE UP LEVER COMPONENTS A JUKI Grease A G Three Bond 1373N A A G A A A G A A G A ...
Страница 160: ... 155 NEEDLE THREAD TRIMMER COMPONENTS A JUKI Grease A C Locktight 242 A A C A ...
Страница 161: ... 156 THREAD TENSION WIPER COMPONENTS A JUKI Grease A A A ...
Страница 162: ... 157 LOWER THREAD COMPONENTS A A C A A A C A JUKI Grease A C Locktight 242 A ...
Страница 163: ... 158 CENTER KNIFE COMPONENTS A A A A A C A A A C C A A JUKI Grease A C Locktight 242 ...
Страница 164: ... 159 LOWER SHAFT COMPONENTS A JUKI Grease A G Three Bond 1373N G A A A A ...
Страница 165: ... 160 HOOK DRIVING SHAFT LEFT COMPONENTS A JUKI Grease A A A A A A ...
Страница 166: ... 161 HOOK DRIVING SHAFT RIGHT COMPONENTS A JUKI Grease A A A A A A ...
Страница 167: ... 162 BACK TUCK COMPONENTS A JUKI Grease A G Three Bond 1373N G A ...
Страница 168: ... 163 CLAMP FOOT UNIT 1 B B B C B B B B C B JUKI Grease B C Locktight 242 ...
Страница 169: ... 164 CLAMP FOOT UNIT 2 B JUKI Grease B C Locktight 242 B B B B B C B B B ...
Страница 170: ... 165 CLAMP FOOT UNIT 3 B JUKI Grease B C Locktight 242 B C B B B B B B ...
Страница 171: ... 166 CLAMP FOOT FEED UNIT B JUKI Grease B D Locktight 243 D D B B B ...
Страница 173: ... 168 BINDER UNIT B JUKI Grease B D Locktight 243 D B B B B B B ...
Страница 174: ... 169 MARKING LIGHT UNIT D B D B F B B JUKI Grease B D Locktight 243 F Locktight 641 ...
Страница 175: ... 170 FRAME AND COVER COMPONENTS 1 B JUKI Grease B G Three Bond 1373N H Cemedyne Super X Clear G H B ...
Страница 176: ... 171 FRAME AND COVER COMPONENTS 2 B JUKI Grease B B ...
Страница 177: ... 172 FLAP PATTERN MATCHING MARKING LIGHT UNIT SA 121 B JUKI Grease B PEDAL SWITCH COMPONENTS B JUKI GreaseB B B B ...
Страница 179: ... 174 B JUKI Grease B G Three Bond 1373N AUTOMATIC INTERLINING FEEDER UNIT SA 120 B B G B B G ...
Страница 180: ... 175 ROLLER STACKER UNIT SP 47 B JUKI Grease B G Three Bond 1373N B B B B B G B G G B B ...
Страница 206: ... 201 MEMO ...