Adjustment of clearance between needle and hook’s blade point
1. Loosen the setscrews
and
of the hook shaft base on the
adjusting side.
2. Move the hook shaft base to the right and left and adjust the clearance
between the needle and hook’s blade point to 0 to 0.03mm. Then
tighten the setscrews
and
. At that time, the setscrew
should
be tightened rigidly while the setscrew
is tightened properly.
(Caution) The setscrew
is tightened with the lower shaft
connected. It must be noted that the rotary torque of the
lower shaft may be increased if the setscrew is tightened
too much.
Removing the hook
1. Remove the throat plate.
2. Remove the opener.
3. Loosen the three setscrews
of the hook shaft small gear.
4. Turn the hand wheel so that the needle bar comes to the highest
position. Since then, remove the hook.
Installing of the hook
1. Reassembly can be carried out in the reverse order for disassembly.
(Caution) 1. When the hook is installed, confirm that the washer
is inserted in between the hook shaft lower metal
and the hook shaft small gear.
2. When mounting the throat plate, turn the inner hook
by hand so that its embossed part is entered in the
groove of the throat plate. Since then, mount the throat
plate.
Opener adjustment
1.
Turn the hand wheel in regular direction and loosen the setscrew
of the inner hook guide
for adjustments so that the clearance
between the inner hook guide
and the embossed part
of the
bobbin case is adjusted to 0.2 to 0.3mm when the inner hook guide
is moved to the farthest retreat position in the direction of the
arrow.
(Caution) Clearance checks and adjustments should be done after
the final retreat positions of the right and left inner hook
guides
have been confirmed.
– 16 –
Adjustment Procedures
Results of Improper Adjustment
Summary of Contents for APW-895
Page 14: ...7 Adjusting the bobbin thread trimming knife 9 A B Standard Adjustment ...
Page 22: ...15 Wiper adjustment 17 A B C D E F 5 1mm 21 1mm Standard Adjustment 1 mm 0 0 5 ...
Page 60: ...20 Pedal and related sections 55 A B Standard Adjustment B A ...
Page 66: ... 61 1 Installation of the shim bracket 2 SA 118 shim unit Standard Adjustment ...
Page 68: ... 63 Adjustment of interlining clamp parallelism Standard Adjustment ...
Page 70: ...3 SA 119 suction unit 65 Standard Adjustment ...
Page 72: ... 67 Section A Standard Adjustment ...
Page 74: ... 69 Section A Standard Adjustment Section B ...
Page 151: ... 146 ...
Page 152: ... 147 ...
Page 153: ... 148 ...
Page 154: ... 149 ...
Page 155: ... 150 ...
Page 158: ... 153 3 Spots where grease adhesive agents are used EXTERIORS A JUKI Grease A A A ...
Page 160: ... 155 NEEDLE THREAD TRIMMER COMPONENTS A JUKI Grease A C Locktight 242 A A C A ...
Page 161: ... 156 THREAD TENSION WIPER COMPONENTS A JUKI Grease A A A ...
Page 162: ... 157 LOWER THREAD COMPONENTS A A C A A A C A JUKI Grease A C Locktight 242 A ...
Page 163: ... 158 CENTER KNIFE COMPONENTS A A A A A C A A A C C A A JUKI Grease A C Locktight 242 ...
Page 164: ... 159 LOWER SHAFT COMPONENTS A JUKI Grease A G Three Bond 1373N G A A A A ...
Page 165: ... 160 HOOK DRIVING SHAFT LEFT COMPONENTS A JUKI Grease A A A A A A ...
Page 166: ... 161 HOOK DRIVING SHAFT RIGHT COMPONENTS A JUKI Grease A A A A A A ...
Page 167: ... 162 BACK TUCK COMPONENTS A JUKI Grease A G Three Bond 1373N G A ...
Page 168: ... 163 CLAMP FOOT UNIT 1 B B B C B B B B C B JUKI Grease B C Locktight 242 ...
Page 169: ... 164 CLAMP FOOT UNIT 2 B JUKI Grease B C Locktight 242 B B B B B C B B B ...
Page 170: ... 165 CLAMP FOOT UNIT 3 B JUKI Grease B C Locktight 242 B C B B B B B B ...
Page 171: ... 166 CLAMP FOOT FEED UNIT B JUKI Grease B D Locktight 243 D D B B B ...
Page 173: ... 168 BINDER UNIT B JUKI Grease B D Locktight 243 D B B B B B B ...
Page 174: ... 169 MARKING LIGHT UNIT D B D B F B B JUKI Grease B D Locktight 243 F Locktight 641 ...
Page 176: ... 171 FRAME AND COVER COMPONENTS 2 B JUKI Grease B B ...
Page 179: ... 174 B JUKI Grease B G Three Bond 1373N AUTOMATIC INTERLINING FEEDER UNIT SA 120 B B G B B G ...
Page 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 ...
Page 206: ... 201 MEMO ...